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Sports have received little attention from evolutionary biologists. I argue that sport began as a way for men to develop the skills needed in primitive hunting and warfare, then developed to act primarily as a lek where athletes display and male spectators evaluate the qualities of potential allies and rivals. This hypothesis predicts that (1) the most popular modern male sports require the skills needed for success in male-male physical competition and primitive hunting and warfare; (2) champion male athletes obtain high status and thereby reproductive opportunities in ways that parallel those gained by successful primitive hunters and warriors; (3) men pay closer attention than do women to male sports so they can evaluate potential allies and rivals; and (4) male sports became culturally more important when opportunities to evaluate potential allies and rivals declined as both the survival importance of hunting and the proportion of men who experience combat decreased. The characteristics of primitive and modern sports are more consistent with these predictions than those generated by intersexual sexual selection theories of sport.
Evolutionary Psychology 2012. 10(1): 1-28
Original Article
On the Evolution of Sport
Michael P. Lombardo, Department of Biology, Grand Valley State University, Allendale, MI, USA. Email:
Abstract: Sports have received little attention from evolutionary biologists. I argue that
sport began as a way for men to develop the skills needed in primitive hunting and warfare,
then developed to act primarily as a lek where athletes display and male spectators evaluate
the qualities of potential allies and rivals. This hypothesis predicts that (1) the most popular
modern male sports require the skills needed for success in male-male physical competition
and primitive hunting and warfare; (2) champion male athletes obtain high status and
thereby reproductive opportunities in ways that parallel those gained by successful
primitive hunters and warriors; (3) men pay closer attention than do women to male sports
so they can evaluate potential allies and rivals; and (4) male sports became culturally more
important when opportunities to evaluate potential allies and rivals declined as both the
survival importance of hunting and the proportion of men who experience combat
decreased. The characteristics of primitive and modern sports are more consistent with
these predictions than those generated by intersexual sexual selection theories of sport.
Keywords: athletic competition, honest signaling, natural selection, sexual selection,
sports, war
Sport has received scant attention from evolutionary biologists. This is surprising
for several reasons. First, sport’s universality suggests that it has evolutionary origins
(Brown, 1991). Second, athletic contests, especially those of boys and men, are important
parts of the social fabric in modern societies (e.g., Bissinger, 1990; Guttmann, 2004a,
2004b). Third, more men than women of all ages play (Crespo, Keteyian, Heath, and
Sempos, 1996; Eibl-Eibesfeldt, 1989; Lever, 1978; Stubbe, Boomsma, and De Geus, 2005)
and avidly watch sports (e.g., Guttmann 1986; Dietz-Uhler, Harrick, End, and Jacquemotte,
2001). Fourth, complex organizations have developed, especially over the last 150 years
(Guttmann, 1978, 2004b; Szymanski, 2006), to schedule, regulate, and advertise athletic
competitions for all age groups. Fifth, athletic contests between rival teams of men are
important social events, with crowds of over 100,000 spectators present at many contests.
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Sixth, even though athletic contests are often simple (e.g., who can run 100m the fastest?),
involve only few participants (e.g., eight men in the Olympic Games 100m final), and have
no apparent direct biological purpose (e.g., how does winning a 100m race directly affect
survivorship and reproductive success?) (Miller, 2000) they have, in some instances,
affected large proportions of the world’s population. For example, the global social and
political significance of the 1936 Berlin (e.g., Baker, 1986; Schaap, 2007) and the 1960
Rome Olympics (Maraniss, 2008) have been subjected to analytical treatments. Last,
champion male athletes achieve high status (e.g., Chase and Dummer, 1992; Földesi, 2004;
Golden, 2008; Guttmann, 2004b; Sohi and Yusuff, 1987) and increased reproductive
opportunities (e.g., Faurie, Pontier, and Raymond, 2004; Llaurens, Raymond, and Faurie,
2009) suggesting that selection may have been influential in molding the characteristics of
male athletes and the sports they play.
These observations raise important questions about the role of sport in human
nature: (1) How and why did sport begin? (2) Why are sports primarily a male
phenomenon? (3) Why do champion male athletes in some sports often obtain higher status
and more reproductive opportunities than do champions from other sports and endeavors?
(4) What are the relative roles of intra- and intersexual selection in shaping sport’s
characteristics? (5) Why has sport attained such cultural importance in modern cultures?
Sport defined
Throughout, a sport is defined as an activity requiring direct physical competition
with an opponent(s), has established procedures and rules, and defined criteria for
determining victory (Poliakoff, 1987). Whether or not there is an immediate tangible
reward (e.g., trophy, medal, or money) for victory is irrelevant because competitors have
the immediate goal of winning the contest. What happens afterward does not change the
nature of the contest. Sports like auto racing, horse racing, or sailing are not included in my
discussions because (1) the outcomes of these contests are influenced by the quality of the
conveyances involved and (2) my focus is on sports where outcomes are most often directly
determined by physical prowess and thus most probably like ancient sports.
Focus on male sports
I focus on the evolution of male sport for several reasons. First, despite the recent
rapid increase in participation by women (e.g., Shulman and Bowen, 2001), sport remains
primarily a male endeavor (e.g., Guttmann, 1991, 2004b; McComb, 2004). Second, athletic
success is primarily determined by physical prowess. Men typically outperform women in
sports, especially those that require skills also useful in male-male physical competition
and primitive hunting and warfare, because men, on average, are more aggressive, larger,
faster, and stronger than women (Abe, Kearns, and Fukunaga, 2003; Archer, 2004, 2009;
Cardinale and Stone, 2006; Cheuvront, Carter, Deruisseau, and Moffatt, 2005; Lassek and
Gaulin, 2009; Mayhew and Salm, 1990; Miller, MacDougall, Tarnopolsky, and Sale, 1993;
Seiler, DeKoning, and Foster, 2007). Last, men more often than women use direct physical
competition (e.g., fighting) to achieve status and access to resources and reproductive
opportunities (e.g., Buss, 2007; Dunbar and Barrett, 2009; Wrangham, 1999). The last two
points are consistent with the hypotheses that the reproductive success of ancestral men
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was likely correlated with their success in intrasexual contests and that the selection
pressures for physical traits that increase the chances of success in direct physical
competition have been stronger on men than on women (Puts, 2010). That female athletes,
including professionals, are more likely to suffer athletic injuries, especially those
associated with the mechanical stresses associated with running and jumping (Deitch,
Starkey, Walters, and Moseley, 2006; Hewett, Myer, and Ford, 2006), is consistent with
this hypothesis.
Cultural Hypotheses about the Evolution of Sport
Ruminations about the origins and functions of sport have typically focused on its
cultural components (e.g., Ashe, 1988; Carroll, 2000; Guttmann, 2004b; Huizinga, 1949;
McComb, 2004; Roberts, Arth, and Bush, 1959; Sansone, 1988; Szymanski, 2006).
Cultural hypotheses about sports are primarily descriptive, non-mutually exclusive, and fill
several categories: non-utilitarian (e.g., Guttmann, 2004a; Huizinga, 1949), cultic (e.g.,
Brasch, 1970), ritualistic (e.g., Baker, 1982), Marxist (Guttmann, 2004a; Hoberman, 1992),
and cathartic (Lenzi, Bianco, Milazzo, Placidi, Catrogiovani, and Becherini, 1997).
Sansone’s (1988) hypothesis that sport represents a ritual sacrifice of energy by those with
the greatest amount of energy to sacrifice comes closest to the modern biological concept
of an honest display of physical quality (cf. Hamilton and Zuk, 1982; Zahavi and Zahavi,
1975, 1997). Moreover, Sansone (1988) connected the ability to sacrifice energy with
increased status and reproductive opportunities, anticipating Miller’s (2000) and deBlock
and Dewitte’s (2009) ideas about the role of intersexual sexual selection in the evolution of
sports. Despite their potential relevance to a biological evolutionary theory of sport,
cultural hypotheses are incomplete because they tend to focus on its proximate causes (cf.
Tinbergen, 1963) and thus often fail to evaluate the effects of sports on the survival and
reproductive success of athletes and spectators. In doing so, they discount the possible roles
of natural and sexual selection in shaping the evolution of sport. This failure hinders our
ability to develop a comprehensive understanding of the role of sport in human nature
because it neglects its ultimate causes (cf. Tinbergen, 1963). There should be some
connection between our behavioral traits and our survival and reproductive strategies
(Williams, 1985) because natural and sexual selection provide the explanatory background
for the traits of life (Alexander, 1979). Furthermore, widespread and persistent cultural
phenomena, like sport, tend to persist because they benefit their practitioners (Lahti and
Weinstein, 2005).
Hunting, warfare, and sport
Despite their different foci, cultural hypotheses about the functions of sport
conclude that sport likely had its origins as a way for men to develop and practice hunting
skills (cf. Carroll, 2000). The relationship between hunting and sports that include chasing,
hitting targets with projectiles, and stalking is obvious. Because primitive warfare used the
same skills, some have argued that training for war is the source of all sport (e.g., Chick,
Loy, and Miracle, 1997; Loy and Hesketh, 1995; Sipes, 1973).
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While the connections between sports, hunting, and warfare seem clear, there are a
few discrepancies. A satisfactory theory of sport should explain (1) why the cultural
importance of sport increased at the same time the need for men to use sport to train for
hunting and warfare decreased, (2) why men pay such close attention to athletic contests,
and (3) the diversification of sports (Sansone, 1988).
Adaptive Hypotheses about the Evolution of Sports
The characteristics of animal play suggest that sport likely originated as play. The
play of juvenile mammals, including humans, often mimics behaviors (e.g., capturing prey,
escaping from predators, fighting) needed for survival (Fagen, 1981). Human play
behaviors also mimic those used in many sports (e.g., running, chasing competitors,
throwing and intercepting projectiles). In nonhuman animals, play tends to occur during a
sensitive period critical for the development of cerebellar synaptogenesis and the
differentiation of fast- and slow-twitch muscle fibers (Byers and Walker, 1995). There may
also be sensitive periods important for the development of social behaviors (Einon and
Morgan, 1989; Potegal and Einon, 1989). In contrast to nonhuman play, human play may
persist into old age.
The physical activity of play, especially the rough-and-tumble play (RNT)
characteristic of males (DiPietro, 1981; Humphreys and Smith, 1987), may have important
psychological as well as physical effects (Pellegrini and Smith, 1998). While RNT provides
physical practice for fighting and hunting (Smith, 1982; Symons, 1978), it also
simultaneously allows juveniles to assess the physical strength and skills of others (Smith,
1982; Paquette, 1994). Thus, RNT can function as a means to develop and maintain
leadership and dominance within groups (Waters and Sroufe, 1983; Pellegrini and Smith,
1998). The assessment of others during RNT may also be achieved at low cost by
observation. The functions of RNT parallel those hypothesized for sport below.
It is reasonable to seek a distinctly evolutionary explanation for sport because it is a
human universal, exhibits sex differences in participation, performance, and observation,
and commands the attention and resources of so many people, especially men. Strangely,
many evolutionarily minded authors (e.g., Alexander, 1979; Barrett, Dunbar, and Lycett,
2002; Buss, 2007; Cartwright, 2008; Dunbar and Barrett, 2009; Geary, 2009; Low, 2000;
Workman and Reader, 2008) have all but ignored developing an evolutionary explanation
of sport. Puts (2010) examined the role of male contests in sexual selection in humans but
did not discuss athletic competition as a form of male-male competition. Others (e.g.,
Geary, 2009) noted that the physical skills and psychological characteristics needed for
success in team sports are similar to those required during cooperative hunting and warfare,
but did not develop theories about the biological evolution of sport in any depth.
Miller (2000) and deBlock and Dewitte (2009), by arguing that modern sport
primarily functions as a way for men to display their physical prowess and behavioral
qualities to potential mates, emphasized the role of intersexual sexual selection in the
evolution of sport. However, if sport evolved from a way for men to train for fighting,
hunting, and warfare into an arena for female mate choice, then women should pay close
attention to male athletic contests so they can evaluate the characteristics of potential
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mates. However, this prediction is difficult to reconcile with the observation that men tend
to be much more avid sports fans than women (Guttmann, 1986; Dietz-Uhler, Harrick, End,
and Jacquemotte, 2001). deBlock and Dewitte (2009) anticipated this problem and argued
that sport may also provide men with opportunities to evaluate the qualities of potential
allies and rivals, but they did not fully develop this idea.
My objective is to construct a Darwinian (Darwin, 1859, 1871) evolutionary
explanation for sport. I hypothesize that, from its beginnings in play and then training for
fighting, hunting, and warfare, sport evolved to provide men with arenas for intrasexual
competition and a way to evaluate potential allies and rivals. I am not arguing that the
behaviors and physical traits associated with athletic success and spectatorship are
adaptations evolved for sport. Rather, they are the by-products of traits evolved in the
context of male-male physical competition and primitive hunting and warfare (i.e.,
exaptations; Gould and Vrba, 1982). My hypothesis augments intersexual sexual selection
hypotheses of sport (e.g., deBlock and Dewitte, 2009; Miller, 2000) and explains why men
are more interested in sports than are women.
The Male Spectator Lek Hypothesis of the Evolution of Sport
Sports originally provided males with important, but relatively low-cost,
opportunities to (1) develop the physical skills (e.g., agility, endurance, eye-hand co-
ordination, speed, strength) and behaviors (e.g., context appropriate aggressiveness,
competitiveness, and cooperativeness) required for success during male-male competition
and as hunters and warriors, and (2) evaluate the physical abilities and behavioral
tendencies of potential allies and rivals so as to adaptively interact with them during future
Men have historically encouraged boys to play sports as a way to teach them the
physical skills necessary for primitive hunting and warfare and inculcate in them the
behaviors needed for group success (e.g., Ashe, 1988; Carroll, 2000; Cartledge, 2003;
Guttmann, 2004a, 2004b). These traits would also benefit them during physical contests
over resources and mates. Athletic success also likely provided ancestral men with
increased reproductive success through increased status in ways that parallel the increased
status frequently obtained by “champion” hunters and warriors among modern hunter-
gatherers and athletes throughout recorded history. Both intrasexual and intersexual sexual
selection act synergistically, affecting the evolution of sport. Traits that lead to athletic
success can become preferred by women during mate choice because they are honest
indicators of mate quality (Zahavi, 1975; Puts, 2010). However, male traits associated with
competing at and watching sports appear to be better designed for success at male-male
competition than for attracting mates (cf. Puts, 2010).
I hypothesize that sport evolved to function like a non-human mating display lek
(e.g., sage grouse, Centrocercus urophasianus), but with an important difference. In typical
mating display leks, males congregate in areas that do not contain resources used by
breeding females and perform courtship displays observed by females that either directly
choose with whom they will mate, or copy the mate choice of others (Höglund and Alatalo,
1995). I hypothesize that athletic contests function as “leks” where male physical prowess
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and the behaviors important in conflict and cooperation are displayed by athletes and
evaluated primarily by male, not female, spectators. Male spectators can inexpensively
learn the qualities of potential allies and rivals without having to pay the costs of direct
competition. Moreover, athletic contests are like mating display leks that evolved via
female preference. Females in lekking species prefer leks with large groups of males
allowing them to quickly, relatively safely, and at low cost simultaneously evaluate the
qualities of many potential mates (Höglund and Alatalo, 1995). In a similar way, the
preferences of male spectators have driven the evolution of sport. Male preferences have
determined contest rules, the scheduling of contests, and the physical and mental attributes
showcased by different sports (e.g., Guttmann, 2004b; Miller, 2000) so that male spectators
can quickly, relatively safely, and at low cost evaluate the qualities of potential allies and
rivals. According to the male spectator lek hypothesis, the primary force in the evolution of
sport was intrasexual selection driven by the (1) demands of male-male physical
competition and (2) need for men to be able to evaluate the quality of potential allies and
rivals. The need for men to evaluate the fighting ability and warrior potential, rather than
hunting ability, of other men may have been the most important selection pressure shaping
the evolution of sport because the immediate costs of fighting a superior competitor or
allying with an inferior warrior (e.g., death) are far greater than the costs of allying with an
inferior hunter (e.g., loss of a meal). The relatively high male mortality rates of modern
hunter-gatherers from warfare (e.g., Gurven and Kaplan, 2007) are consistent with the
hypothesis that men who were able to accurately evaluate the warrior potential of other
men had an advantage over those who could not. Bowles (2009) demonstrated that the
fitness consequences of primitive warfare were sufficient enough to affect the evolution of
human social behaviors, suggesting that intrasexual selection was more important than
intersexual selection in molding the evolution of sport.
The adaptive nature of modern sports
Modern sports are highly derived and their origin in Victorian England is very
recent (Guttmann, 2004a,b). Therefore, some aspects of modern sports, such as
professionalism, national and international competitions, and the diversity of sports are
likely consequences of exaptations first evolved in the context of male-male competition
and primitive hunting and warfare. Nevertheless, participation in sports by modern athletes
may still be adaptive because it provides them with opportunities to develop and display
traits that remain important in both intrasexual competition and mate choice. In this sense,
modern individual sports behavior is an adaptive exaptation (sensu Laland and Brown,
2002, Fig. 4.1).
The arenas of ecological, social, and sexual competition between professional
athletes and other men rarely overlap. Therefore, the intense interest of many men in the
exploits of professional athletes and teams may be a by-product of adaptations evolved in
the context of using sport to evaluate local potential allies and rivals rather than a currently
adaptive behavior (cf. Winegard and Deaner, 2010). Winegard and Deaner (2010) argued
that modern sport fandom is a by-product of the evolution of adaptations that would have
facilitated coalition formation, especially by men, in the context of the frequent small-scale
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warfare common for most of human history (e.g., Gat, 2006; Keeley, 1996). Nevertheless,
closely observing local contests may be adaptive for male spectators if they use the athletic
performances of local competitors to modify their future behavioral interactions with them.
The assumption and predictions of the male spectator lek hypothesis of sport
The validity of the male spectator lek hypothesis can be evaluated by testing its
assumption and predictions. If men have been subjected to a long history of natural and
sexual selection in the contexts of male-male competition, hunting, warfare, and sports, we
expect them to have some characteristics and not others (Williams, 1985). Examination of
sport will reveal whether it has the predicted characters or not.
The male spectator lek hypothesis assumes that success in sport is an honest display
of male quality and predicts: (1) male sports develop the physical skills and behaviors
required for success in male-male physical competition, primitive hunting and warfare; (2)
the most popular male spectator sports are those that most accurately display traits required
for success in these endeavors; (3) male athletic success leads to increased status and
reproductive opportunities; (4) men should be more avid sports fans than women; and (5)
sport increased in cultural importance, and the status of champion athletes increased, when
the opportunities for men to evaluate the qualities of potential allies and rivals during
hunting and warfare declined as the role of hunting and the proportion of men in a
population who participated in warfare decreased.
Success in Sport is an Honest Indicator of Male Quality
Athletic success is analogous to natural selection. Just as individuals that are the
best adapted to local conditions tend to out reproduce their competitors, only the best
athletes transition from one level of competition up to the next (i.e., make it to the “next
generation”). Elite athletes capable of competing in the Olympics or at the professional
level generally represent less than 1% of the male population (e.g., Leonard, 1996).
If sport evolved to function as a way for men to evaluate the qualities of potential
allies and rivals, then selection should have favored the expression by male athletes of the
traits that historically led to success in male-male physical competition and primitive
hunting and warfare. Some of the physiological traits (reviewed in Lippi, Longo, and
Maffulli, 2009) that contribute to athletic success, including testosterone levels (e.g.,
Harris, Vernon, and Boomsma, 1998; Hoekstra, Bartels, and Boomsma, 2006), are highly
heritable, making them susceptible to selection.
There probably has been a lessening, especially in the recent past, in the strength of
the selection pressures favoring the physical traits that led to success in male-male physical
competition and primitive hunting and warfare because (1) non-hunter-gatherer economies
(e.g., pastoral, agricultural, industrial) produce various ways for men to achieve status that
do not depend on physical prowess, (2) losing an athletic contest typically does not have as
dire consequences on survival and reproduction as does failure in hunting and, more
especially, warfare, and (3) because of the development of weapons that do not require
exceptional strength to use effectively (Crosby, 2002; van Creveld, 1989). A long history of
strong intrasexual selection on men favoring the physical traits that led to success in male-
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male physical competition and primitive hunting and warfare, and the covariation between
male success at these endeavors and reproductive success for most of human history (e.g.,
Betzig 1986, Chagnon 1988, Smith 2004), should result in less variation in male than
female athletic ability. Consistent with this prediction, there is less variation in the
competitive performance of male than female runners at the high school, collegiate, and
professional levels in the USA (Deaner, 2006).
Male Sports Display the Skills Required for Success at Fighting and Primitive
Hunting and Warfare
Marge: “Tell me, why is it when men play, they always play at killing each other?”
A. Minghella, scriptwriter, “The Talented Mr. Ripley” (1999)
If male athletic competition developed from practicing the skills required by male-
male physical competition and primitive hunting and warfare, then we would expect the
same skills to dominate male play behavior and sports (cf. Williams 1985) and be those
most “valued” by male spectators (Miller 2000).
Cross-culturally, the play of boys differs from that of girls (Geary, 2009) and is
characterized by its physicality, face-to-face confrontations, adherence to complex rules,
and cooperative team play with defined roles for team members (Lever, 1978). Boys play
hunting and war games more often than do girls in a variety of societies (e.g., Ashe, 1988;
Chagnon, 1997; Eibl-Eibesfeldt, 1989; Goldstein, 1995; Hoffman, 1890; Loy and Hesketh,
1995). Boys 6-10 years old in contemporary USA play games that require speed, strength,
and teamwork more often than do same-aged girls (Sandberg and Meyer-Bahlburg, 1994).
Rough-and-tumble play is more common among boys than girls (Boulton and Smith, 1992;
DiPietro, 1981; Humphreys and Smith, 1987; Pellegrini, 1995). Some of the physical and
social skills learned during physical games and team sports are also required for success in
cooperative hunting and warfare (Geary, 2009; van Vugt, DeCremer, and Janssen, 2007;
Yuki and Yokata, 2009). During athletic play, boys also learn how their skills compare
with those of potential allies and rivals (e.g., Boulton and Smith, 1992). These observations
are consistent with the hypothesis that men use the athletic performances of others to
evaluate the abilities of potential allies and rivals.
Upper body strength is especially important in hand-to-hand fighting, combat sports
(e.g., boxing, wrestling), and sports involving projectiles. The chest pounding duels of
Yanomamö men display upper body strength and advertise fighting ability (Chagnon,
1997), as do modern boxing and wrestling (Graves, 2009; Poliakoff, 1987). Sports like
American football, pole vaulting, rugby, sprinting, and track and field throwing events
require superior upper body strength and explosive power. The significantly greater upper
body strength and muscularity of men relative to women (Abe, Kearns, and Fukunaga,
2003; Lassek and Gaulin, 2009) suggests a long history of male-male physical competition
(Puts 2010). Men and women can quickly assess male upper-body strength and fighting
ability from pictures of male bodies and faces, suggesting that fighting was an important
cause of selection shaping human cognitive abilities (Sell et al., 2009).
We are unusual predators because we commonly throw projectiles to wound or kill
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prey and rivals. Indeed, some have argued that the evolution of the ability to throw
projectiles for distance, speed, and accuracy was a watershed event in human evolution
(Fifer, 1987; Issac, 1987; Kolakowski and Malina, 1974). Bingham (1999, 2000) argued
that the evolution of human social complexity paralleled our increasing ability to use
projectiles to deliver death at a distance. Male sports often involve projectiles. For example,
baseball puts a high premium on the ability of players to accurately throw and intercept
projectiles either by hand or by bat. Interestingly, three modern athletic events involve
throwing ancient projectile weapons, the discus, hammer, and javelin, for distance. Given
the importance of these skills to success in hunting and warfare, there should have been
strong selection on men to become proficient at these tasks. As predicted, men, on average,
outperform women in tasks that involve aiming, catching, and throwing projectiles
(Thomas and French, 1985; Watson and Kimura, 1991). Male-male competition and
warfare, rather than hunting, were likely the selection pressures resulting in superior male
skill at intercepting projectiles (Puts, 2010).
We do not know about prehistoric sports because of the paucity of the relevant
archaeological record, but it is likely that the first athletic events were contests of the
physical skills most important in fighting, hunting, and warfare (e.g., races, throwing
contests, target games, and combat sports), just as those of modern hunter-gatherers (Chick,
Loy, and Miracle, 1997; Eibl-Eibesfeldt, 1989; Guttmann, 2004b; Loy and Hesketh, 1995).
Combat sports and contests of hunting skills (e.g., archery, target shooting) remain
common athletic events. Hunting is not a popular spectator sport because the presence of
spectators would hinder the ability of hunters to stalk or ambush prey. Note that while
hunting sports also use weapons of war, they are less popular than many other sports
probably because they are risk free for competitors. Chick, Loy, and Miracle (1997)
suggested that American football, boxing, lacrosse, and rugby grew directly out of training
for warfare because these sham combat sports were most common in societies where
external warfare was constant, occasional, or seasonal.
The male spectator lek hypothesis predicts that champion athletes in sports
requiring the skills most needed in male-male physical competition and primitive hunting
and warfare obtain the highest status and earn the highest salaries and winner’s purses.
Consistent with this prediction, 57 of the 70 (81%) top-earning athletes in the world in
2010-11 were men who played team sports requiring those skills. The list of the 50 top-
earners in the USA ( divides
earnings into salary and endorsement components, while the list of 20 non-USA top-
earners does not (
Many American athletes earned more in endorsements than in salary or winnings. Factors
other than athletic skill, including physical attractiveness, affect the amount of
endorsements earned by athletes (Anonymous, 2006; Gilbert, 2007). Therefore, examining
salaries and winner’s purses, rather than endorsements, is more relevant to testing this
prediction. Consistent with this prediction, American team athletes earned the top 30 of 50
(60%) salaries. Individual sport athletes ranked lower on the list; golfers ranked 31st, 49th,
and 50th; auto racers 45th, 47th, and 48th. A significantly greater proportion of team (42/44,
95.5%) than individual sport athletes (1/6, 16.7%) earned more in salaries or purses than in
endorsements (Fisher Exact Test, p < 0.0001).
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The financial reward for being a champion athlete is not only a modern
phenomenon. Athletes during the Classical Era earned large winner’s purses of money and
goods that sometimes dwarfed, in relative terms, the winnings of modern athletes (Golden,
2008; Struck, 2010).
Furthermore, champion male athletes in sports that display the physical skills most
required in male-male physical competition and primitive hunting and warfare typically
achieve higher social and financial status than do champion athletes in other sports. For
example, champion American football players typically attain higher status than do
champion table tennis players. This observation is broadly consistent with the predictions
of the male spectator lek hypothesis of sport.
Male Status is Correlated with Reproductive Success
The relationships between male wealth, power, status and reproductive success are
well known (e.g., Betzig, 1986; Borgerhoff-Mulder, 1987; Buss, 2007; Chagnon, 1979;
Cronk, 1991; Hopcroft, 2006; Nettle and Pollet, 2008; Pérusse, 1993; Turke and Betzig,
1985). Generally, the positive relationship between male status and reproductive success
favors in males the tendency to strive for status in a variety of competitive venues (e.g., art,
business, politics, science, sport) (Irons, 1979). Male striving for status appears early in
life, suggesting an early development of the responsible mental processes (Campbell,
Muncer, and Odber, 1998) and strong selection favoring those processes (cf. Williams
1985). Many males begin to strive for status in non-athletic endeavors when they either fail
to achieve high status as athletes or anticipate failure in the future. This realization may
come as early as the ages of 9-10 when sports become more competitive (Hartmann, 2003).
The rate at which boys stop competing at sports accelerates during adolescence when the
intensity of athletic competition increases (Enoksen, 2011; Telama, Laakso, and Yang,
1994; Telama and Yang, 2000; VanMechelen, Twisk, Post, Snel, and Kemper, 2000).
Good Hunters Obtain High Status and Reproductive Success
Success at hunting was a historically important path to high male status. Success at
primitive hunting requires endurance, eye-hand coordination, knowledge, strength, and
may take years of experience (e.g., Gurven, Kaplan, and Gutierrez, 2006; Ohtsuka, 1989).
Because hunting is so difficult, hunting success is an honest display of ability (Gurven,
Kaplan, and Gutierrez, 2006). Modern hunter-gatherers who are good hunters typically
obtain high status (Gurven and von Rueden, 2006; Wiessner, 1996) and tend to have high
reproductive success (Gurven and Hill, 2009; Smith, 2004, and references therein).
Moreover, high status may also lead to deference from group members, alliance formation,
help in childcare, and increased opportunities for trade, thereby producing positive effects
on a champion hunter’s inclusive fitness (Gurven and von Rueden 2006). That champion
hunters are more attractive to other men as alliance partners is more consistent with the
male spectator lek hypothesis of sport than with intersexual sexual selection hypotheses
because champion hunters would have more likely been formidable competitors, rather
than allies, of other men in the arena of intersexual selection.
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Warriors Obtain High Status and Reproductive Success
“… now you have come to the place of battle, where the best men are proved.”
Homer, Odyssey, XXIV
“…in the fighting where men win glory…”
Homer, Iliad, CLVI
Warriors, especially those that exhibit exceptional bravery during battle, are often
rewarded with material goods and achieve high status, and thereby are able to gain access
to fertile women (e.g., Gat, 2006; Keeley, 1996; Livingstone Smith, 2007). Moreover, the
rape and capture of women by victorious warriors is well known in both ancient and
modern warfare (e.g., Gat, 2006; Keeley, 1996; Livingstone Smith, 2007), sometimes
producing large fitness benefits (e.g., Zerjal et al. 2003).
Modern warriors also have more reproductive opportunities than do non-warriors. For
example, contemporary American men between the ages of 15-44 who served in the
military reported having twice as many sexual partners per lifetime as men who did not
serve (service median = 10.4 partners per lifetime vs. non-service median = 5.3 partners per
lifetime); nearly 45% of servicemen reported having 15 or more partners per lifetime; just
over 20% of non-service members reported that many partners (Mosher, Chandra, and
Jones, 2005). Even if some of these partners included prostitutes, other data suggest that
high military status results in more reproductive success. Rank in the officer corps of the
U.S. Army is positively correlated with differential reproductive success (Mueller and
Mazur, 1997).
Rival street gangs in the USA often engage in small-scale warfare similar to
primitive warfare (Keeley, 1996) consisting of revenge attacks and conflicts over control of
territory or economic activities (e.g., sale of illegal drugs). Palmer and Tilley (1995)
showed that male street gang members had greater access to women than did non-gang
members, suggesting that “warrior” status may confer reproductive opportunities in a
variety of different contexts.
Champion Athletes Obtain High Status and Reproductive Success
“Sport is the best way to fame for any man alive …”
Homer, Odyssey, VIII
“You gotta be a football hero (to get along with the beautiful girls)”
Field, Lewis, and Sherman (1933)
Champion athletes have obtained high status throughout recorded history. Athletic
success, especially in the “heavy” sports requiring combat skills, such as boxing, wrestling,
and pankration (i.e., “total fighting,” a combination of boxing, wrestling, kicking,
strangleholds, and pressure holds), produced high status in Classical Greece (Golden, 2008;
Poliakoff, 1987; Sweet, 1987). Roman gladiators achieved great fame and were rewarded
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with Roman citizenship, money, property, and access to power, making them attractive to
women (Golden, 2008). Gladiators were such celebrities that their armor and weapons were
prized as memorabilia by Roman senators (Golden, 2008).
Homer’s sentiments are as true today as they were 2700 years ago. Champion
athletes can achieve nearly instantaneous global fame if their performances occur at the
Olympics or FIFA World Cup. With this fame come the wealth, power, and status that
attract women (e.g., Buss, 2007; Low, 2000). While women generally find high status men
sexually attractive (Buss, 2007; Miller, 2000), champion athletes seem to be especially
attractive to them. The sexual attractiveness of champion male athletes to women may be
rivaled only by the attractiveness of male singers and political leaders. Men may obtain
high status in a variety of fields, but “champion” poets, businessmen, and scientists rarely,
if ever, attract large crowds of adoring female fans. The observation that champion athletes
may also have legions of primarily male fans, while champions in other fields typically do
not, is more consistent with the male spectator lek hypothesis than with intersexual
selection theories of sport.
Books, magazines, newspapers, and television broadcasts are filled with stories
about the sexual exploits of athletes (e.g., Bouton, 1970; Entine, 2000; Hoberman, 1997;
Leavy, 2010; Maraniss, 1999; Syed, 2008; Wahl and Wertheim, 1998). National Basketball
Association Hall of Fame player Wilt Chamberlain claimed that between the ages of 15-55
he had sex with 20,000 women (i.e., 1.37 women per day for 40 years) (Chamberlain,
1991). Even if Chamberlain exaggerated his sexual exploits by a factor of 1000, he still had
4 times the number of sexual partners as did the median male aged 15-44 in the USA (i.e.,
5.4 sexual partners per lifetime) (Mosher, Chandra, and Jones, 2005).
The genetic rewards from athletic success extend past the Western World. Among
the Canela in Brazil, the winner of log-carrying races is allowed sexual access to a young
woman who is eager to mate and bear his children (Guttmann, 2004b). Senegalese men
who compete in ritual wrestling contests have greater reproductive success than do men
who do not (Llaurens, Raymond, and Faurie, 2009). Success at combat sports in this and
other societies (e.g., Poliakoff, 1987) may be simultaneously (1) used by men to evaluate
potential allies and rivals because most combat sport spectators are men (i.e., intrasexual
selection) and (2) an intersexually selected signal of quality used by women, or their male
relatives, when choosing mates (Llaurens, Raymond, and Faurie, 2009).
The observation that champion athletes are sexually attractive to women does not
falsify the male spectator lek hypothesis of sport. Women generally prefer men with high
status who display markers of testosterone and good genes as short-term mates (e.g.,
Barrett, Dunbar, and Lycett, 2002; Buss, 2007; Geary, 2009). These same traits are also
correlated with high status among men. Champion athletes have these physical
characteristics and obtain high status by their performances.
A common theme in American mythology is that success on the athletic field results
in upward social mobility (Hoberman, 1997; Smith, 2007). Loy (1972) studied the social
origins and post-college career patterns of male athletes who earned at least three varsity
letters representing the University of California Los Angeles (UCLA) in intercollegiate
contests between 1924 and 1968. Athletes, especially those who competed in sports
requiring the skills needed for success in male-male physical competition and primitive
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hunting and warfare (i.e., football, track and field, and wrestling), achieved higher status
post-college occupations than those of their fathers. Loy (1972) did not detect any
differences in occupational status among athletes who played different sports at UCLA.
These results suggest that success in college athletics may result in a post-athletic career
increase in socioeconomic status, especially for high achieving athletes like those in Loy’s
Recent studies, however, find little evidence that athletic success in high school is a
good predictor of permanent increases in socioeconomic status (e.g., Barron, Ewing, and
Waddell, 2000; DuBois, 1978; Sabo, Melnick, and Vanfossen, 1993). The male spectator
lek hypothesis predicts that men who compete in athletics in college ultimately achieve
higher post-college status than those who compete only in high school because athletic
success in college is much more difficult (Leonard, 1996) and therefore a more reliable
indicator of male quality.
The relationship between athletic success and status is not restricted to the USA;
elite athletes in Nigeria (Sohi and Yusuff, 1987) and Hungary (Földesi, 2004) also
experienced increases in social status, mostly because they began their athletic careers as
members of lower socioeconomic classes.
The high status of professional athletes may be relatively short-lived. Reiss (1990)
found that participation in professional sports in the U.S. did not usually result in
permanent vertical status mobility for lower-class men; most returned to their pre-
professional social status when their professional careers were completed. However, their
high status during their playing careers would have made them sexually attractive to young
women, increasing their reproductive opportunities.
Comparative data on the reproductive fitness of professional athletes from different
sports could be used to test the idea that females are not attracted to athletic success per se
but to the status earned by champion athletes in particular sports. The male spectator lek
hypothesis predicts that champion athletes from sports that most require the skills used in
male-male physical competition, primitive hunting and warfare would obtain the most
reproductive opportunities. In historical eras without reliable contraception these
reproductive opportunities would have resulted in reproductive success (Pérusse, 1993).
The positive effects of athletic success on male status are not restricted to adults.
Grade school and high school boys in the U.S. who are champion athletes obtain high
social status (Chase and Dummer, 1992; Holland and Andre, 1994). The relationship
between athletic success and the popularity of schoolboys with other boys is consistent
with the male spectator lek hypothesis of sport. High school athletes that played team
sports like football, basketball, and baseball were sexually attractive to girls in several
studies (e.g., Holland and Andre, 1994; Lyons, 2002; Miller, Sabo, Farrell, Barnes, and
Melnick, 1998; Schulte-Hostedde, Eys, and Johnson, 2008).
College women are more sexually attracted to athletes than non-athletes in the U.S.
(Snyder, Kirkpatrick, and Barrett, 2008) and France (Faurie, Pontier, and Raymond, 2004).
Among French college athletes, greater athletic success was associated with more partners
(Faurie, Pontier, and Raymond, 2004). Female athletes also reported more sexual partners
than did non-athletes, but the effect of sports participation on partner number was stronger
for men than for women (Faurie, Pontier, and Raymond, 2004). This observation is
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anticipated by intersexual selection theory; women are attracted to high status men,
whereas men are attracted to women that display youth and fertility regardless of their
social status or athletic ability (Buss, 2007).
Men Watch Sports More Closely than Do Women
If you would read a man’s disposition, see him game;
you will then learn more of him in one hour, than in seven years conversation.”
Men, on average, are more avid sports fans than women. Approximately 75% of
men describe themselves as sports fans, whereas about 50% of women do (Carrol, 2005).
Men watch sports more often, are more interested in the outcome of athletic contests, talk
about sports more often, and are more knowledgeable about the rules and history of sports
and the exploits of athletes (e.g., Dietz-Uhler, Harrick, End, Jacquemotte, 2001; Ganz and
Wenner, 1991; Guttmann, 1986; James and Ridinger, 2002; Kaufman and McLean, 1998;
Rhoads, 2004; Winegard and Deaner, 2010). These observations are consistent with the
male spectator lek hypotheis of sport and difficult to reconcile with intersexual selection
theories of sport.
Men may watch sports for several non-mutually exclusive reasons:
(1) Men who watch other men play sports can inexpensively learn about the
abilities of potential allies and rivals. Historically, this information could have had
important consequences for survival and reproductive success if spectators learned (a)
whom they should avoid fighting because they were likely to lose, (b) with whom they
should form alliances, and (c) to avoid athletic situations where losing is likely so as to
prevent a loss of status. The best strategy for achieving athletic success is to compete in
sports where success is most likely. This strategy may help explain the evolution of the
diversity of sports; men invent new sporting events to avoid competing in sports where
they are less likely to be successful.
Men prefer watching sports that involve physical confrontations and emphasize
team play (Carrol, 2005; Sargent, Zillman, and Weaver, 1998). This observation is broadly
consistent with the male spectator lek hypothesis of sport. For example, in a 2008 poll of
nearly 12,000 respondents in the U.S. by ESPN Sports Poll 9 out of 10 sports listed as
favorite spectator sports were team sports involving direct physical confrontations between
players ( The only
individual sport on the list, National Association for Stock Car Auto Racing (NASCAR),
was ranked sixth. Interestingly, NASCAR races often involve dangerous direct
confrontations between drivers.
In contrast, women tend to watch sports with family and friends, are less likely than
men to watch sports alone (Hartmann, 2003), and prefer to watch sports that emphasize
graceful body movements and lack overt aggression (e.g., figure skating, women’s
gymnastics) (Sargent, Zillman, and Weaver, 1998). Evolutionary psychologists have
hypothesized that women have evolved cognitive adaptations to assess male athletic ability,
physical fitness, status, and thereby competitiveness (e.g., Hodges-Simeon, Gaulin, and
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Puts, 2011; Hugill, Fink, Neave, and Seydel, 2009). However, women are more likely to
obtain information about male athletes from men rather than their own observations
because they prefer to watch different sports than do men (e.g., Gillespie, 2004), do not
watch sports as often or as closely as do men (Dietz-Uhler, Harrick, End, and Jacquemotte,
2001; Ganz and Wenner, 1991), and rarely discuss sports with other women (Bischoping,
1993, and references therein). Because male status is primarily a consequence of
intrasexual competition (Browne, 2002), women who focus their mate choice attention on
men designated as champions by other men could save time and energy. In effect, they
would be like female birds that copy the mate choices of other females on a display lek
(Höglund and Alatalo 1995). They would also retain the ability to “verify” male rankings
of other men with their own observations.
(2) It is often said that sports develop character, but as Plato noted, sports also
reveal character. By watching other men play sports, especially men likely to be local
competitors, male spectators could inexpensively learn who are cooperators or cheaters and
thereby could modify their future behavioral interactions with them (de Block and Dewitte,
2009). (3) Men who observed the behavioral proclivities of other men at play could benefit
if they imitated the behaviors of successful men and avoided behaving like unsuccessful
ones (cf. Alexander, 1990; Rendell et al., 2010).
(4) Men may derive vicarious thrills watching the athletic exploits of others,
including identification with “idealized” men (Hartmann, 2003) and teams of men
(Winegard and Deaner, 2010).
(5) Men may enjoy watching sports because they are reliving the exploits of their
Explanations 1-4 are more consistent with the male spectator lek hypothesis than with
intersexual selection theories of sport.
The Cultural Importance of Sport Increases as the Importance of Hunting and the
Proportion of Men Who Experience Combat Decreases
The male spectator lek hypothesis predicts that the cultural importance of sport
increased when populations began to transition away from hunter-gatherer lifestyles
approximately 10,000 years ago, because (1) hunting became progressively less important
as a means of obtaining food (Price and Gebauer, 1995) and (2) the proportion of men who
participated in war declined (Bowles, 2009; Gat, 2006; Keeley, 1996). Therefore, the
relative importance of the display and evaluation functions of sport increased for two
reasons. First, with the advent of agriculture the physical quality of potential allies and
rivals was not as frequently available for evaluation. Success in agriculture requires, for the
most part, different skills (e.g., knowledge of animal husbandry, climate, plant biology, and
soil science) than does successful fighting, hunting, and warfare. Physical ability, while
necessary for agricultural success, is not of paramount importance. Second, men had fewer
opportunities to evaluate the fighting skills of others as the proportion of men that
participated in combat decreased over time (Carter et al., 2006; Gat, 2006; Keegan, 1993).
That combat sports remain popular in many cultures (e.g., Chick and Loy, 2001; Graves,
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2009; Kyle, 2007; Loy and Hesketh, 1995; Poliakoff, 1987; Sipes, 1973) suggests that
demonstrations of fighting skills retain important display and evaluation functions in the
modern world.
Historically, sport would have been a less important arena than everyday activities
for men to evaluate others. The physical skills that lead to success in hunting were available
for evaluation to ancient hunter-gatherers nearly every day because of the frequency and
demands of hunting. Modern hunter-gatherers can accurately assess the hunting abilities of
men in their groups (Hill and Hurtado, 1996; Marlowe, 2003). For example, among the
Aché of Paraguay and the Hadza of Tanzania, men prefer to hunt with other men who are
good hunters because they get greater access to nutritionally valuable meat (Wood, 2006;
Wood and Hill, 2000). In a sports analogy, they would rather be members of a winning
team than the stars of a losing team. Only when Aché men have no dependents do they
prefer to hunt with inferior hunters in order to “show off” (i.e., be the “star” of a losing
team) (Gurven and Hill, 2009). This implies that (1) there would have been little need for
regular athletic competition among ancient hunter-gatherers because everyone in a group
would have frequently observed the physical prowess of fellow tribe members, and (2)
because of a tendency for male philopatry (Lee, 1968; Lévi-Strauss, 1969; Marlowe, 2004;
Rodseth, Wrangham, Harrigan, and Smuts, 1991; but see Hill et al., 2011), most males
would have known each other since childhood and thus would have also known who were
the best strategic thinkers, who were cowards, and who were brave. Indeed, being able to
assess the abilities and proclivities of potential allies and rivals would be advantageous if
individuals imitated the behaviors of champions and avoided imitating those of losers
(Alexander, 1990). Recent research demonstrates the potential selective advantages of
copying the adaptive choices of others (Rendell et al., 2010).
Furthermore, given the high activity levels (Fudge, Kayser, Westerterp, and
Pitsiladis, 2007) and energetic demands of typical hunter-gatherer lifestyles (Hill and
Hurtado, 1996; Lee, 1968; Marlowe, 2005), which are similar to that of modern elite
distance runners in training (Fudge et al., 2007), adult men would have had little excess
energy to expend on athletic contests. That athletic contests occur relatively infrequently
among modern adult male hunter-gatherers (F. Marlowe, personal communication, March
2011) is consistent with the central argument of the male spectator lek hypothesis of sport
and suggests that ancient athletic activity was constrained by energy availability and thus
probably limited to youths.
Hunting has long been seen as training for warfare (Ashe, 1988; McComb, 2004).
Primitive hunting and warfare differ in that warfare is riskier for warriors because their
“prey” is other humans. Because war is more risky than hunting, men should be especially
choosy about with whom they go into battle and prefer the best and bravest warriors in their
group as allies. Displaying cowardice in the face of combat is the greatest fear of modern
warriors entering battle for the first time (Dollard, 1944; McPherson, 1997; Stouffer et al.,
1949). Yanomamö men view with contempt tribe-mates who habitually find excuses for
not participating in revenge raids on neighboring villages (Chagnon, 1988). This suggests
that men are especially sensitive to the displays of cowardice by themselves and others.
The bravery of other men can be evaluated during sports involving physical confrontations
and risks (e.g., combat sports) and extreme physical effort (e.g., endurance sports).
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The explosive acceleration of sports participation and observation in the West
began with the Industrial Revolution in the 1800s (Guttmann, 1978, 2004a,b; McComb,
2004) and paralleled the accelerating (1) decrease in the importance of hunting as a means
of sustenance, (2) decrease in the proportion of men who experienced combat (e.g., Gat,
2006; Keegan, 1993), (3) decrease in the mortality risk of participating in combat (Leland
and Oboroceanu, 2010), (4) increase in the mechanization of warfare which placed fewer
physical demands on warriors (e.g., van Creveld, 1989), and (5) increase in leisure time
allowing more time and energy for adult male sports participation and observation (e.g.,
Guttmann, 2004a; Huizinga, 1949). The relationship between the cultural importance of
sport and these patterns suggests that sport replaced hunting and warfare as a way for men
to evaluate the qualities of potential allies and rivals and is consistent with the male
spectator lek hypothesis.
Sport has received little attention from evolutionary biologists despite the fact that
although sport is a human universal, participation and spectatorship is male-biased.
Previous evolutionary theories of sport focused on sport as an arena for intersexual
selection (e.g., deBlock and Dewitte, 2009; Miller, 2000). However, observations that
women, on average, tend to show little interest in sports, the exploits of athletes, or the
outcome of athletic events are difficult to reconcile with predictions generated by
intersexual selection theories of sport. In contrast, I hypothesize that sport began as a way
for men to develop the skills needed in male-male physical competition and primitive
hunting and warfare, then evolved to provide them with physical training, an arena for
intrasexual competition, and a display lek where male spectators could evaluate the
qualities of potential allies and rivals. The male spectator lek hypothesis of sport assumes
that athletic performance is an honest display of quality and predicts that:
(1) Male sports develop the skills needed for success in male-male physical
competition and primitive hunting and warfare,
(2) the most popular spectator sports of men are those that most accurately display the
skills needed for success in male-male physical competition and primitive hunting
and warfare,
(3) champion male athletes in sports that most require the skills needed for success in
male-male physical competition and primitive hunting and warfare obtain the
greatest status and most reproductive opportunities,
(4) champion male athletes at highest levels of competition obtain the greatest status
and the most reproductive opportunities,
(5) men invent new sporting events to avoid competing at sports where they are likely
to lose,
(6) men should be more avid sports fans than women,
(7) male spectatorship at the local level may be adaptive for male spectators if they use
the athletic performances of local competitors to modify their behavioral
interactions with them, and
(8) sport increased in cultural importance as fighting, hunting, and warfare became less
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important selection pressures.
The characteristics of historical and modern sports are consistent with the
predictions of the male spectator lek hypothesis. Observations that champion male athletes
in sports requiring the skills needed for success in fighting and primitive hunting and
warfare obtain the most reproductive opportunities supports intersexual selection theories
of sport (Miller, 2000; deBlock and Dewitte, 2009). These results suggest that while
intrasexual and intersexual selection both influenced the evolution of sport, the primary
driving force shaping the characteristics of male sports and athletes was intrasexual
competition. This conclusion is consistent with the hypothesis that contest competition was
an important selection pressure shaping male characteristics, including those preferred by
women during mate choice (Puts, 2010).
Acknowledgements: I have greatly benefited from discussions about evolution, human
nature, and sports with C. J. Bajema, R. O. Deaner, M. Henshaw, J. Kilbourne, L. L.
Lombardo, P. A. Thorpe, and B. Winegard. Comments by anonymous reviewers, R. O.
Deaner, M. Henshaw, B. Jones, L. L. Lombardo, J. Thompson, and B. Winegard on
previous versions of the manuscript helped me to focus my arguments. M. Schwartz
pointed me in the direction of some useful references about primitive warfare. C. Lyon at
the GVSU Library helped find important references. I received support from a sabbatical
leave from the Department of Biology at GVSU during the writing of the manuscript.
Received 11 April 2011; Revision submitted 19 November 2011; Accepted 24
November 2011
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... Some evolutionary theorists suggest that sports are akin to training for hunting and war, which consequently enhances material resources and access to mates (Livingstone Smith, 2007;Lombardo, 2012), or that sports directly contribute to acquiring status and prestige (Furley, 2019). Indeed, there are many similarities between sports and war. ...
... Indeed, there are many similarities between sports and war. Male athletes in competitive sports achieve higher financial status and access to women, relative to men who do not engage in sports (Faurie et al., 2004;Lombardo, 2012;Schulte-Hostedde et al., 2008). Both athletes and warriors are desired by women (Escasa et al. 2010;Miller et al., 1998;Schulte-Hostedde et al., 2008) and have more sexual partners (Chagnon, 1988;Macfarlan et al., 2014;Glowacki & Wrangham, 2015) by means of increased social status and power (Furley, 2019;Glowacki & Wrangham, 2013;Hames, 2020;Shavers et al., 2015;Thirer & Wright, 1985). ...
... Thus, the MWH was generally not supported. The MWH posits that men have evolved psychological mechanisms to form formidable coalitions against members of outgroups (e.g., Ji et al., 2021;McDonald et al., 2012), and the same requirement is necessary in team sports (Lombardo, 2012;Scalise Sugiyama et al., 2020). In other words, male motivations to form coalitions and compete with out-groups via sports reflects a need to engage in aggressive or potentially deadly warfare. ...
Full-text available
Objectives The male warrior hypothesis suggests that men have evolved psychological mechanisms to form aggressive coalitions against members of outgroups, which may explain men’s propensity to engage in warfare, as well as team sports. We examined gender differences in skin conductivity and attitudes toward war after exposing participants to video imagery depicting sports and war from a sample of young adults from Slovakia. Methods We measured skin conductivity responses using electrodermal activity (EDA) when participants watched three short videos: Football, World War II, and Control. Then, implicit and explicit attitudes toward war and subjective arousal of the three videos were examined using questionnaires. Results Men showed higher maximal skin conductivity when watching a team sport video, compared to a control video. Skin conductivity during a war video did not significantly differ from a sport or control video. In contrast, women showed highest maximal skin conductivity when watching a war video, followed by the sport and control videos, but these differences were not statistically significant. When the videos were subjectively rated by the same participants, men rated team sports and war as similarly arousing, but ratings of these videos were not significantly different for women. Conclusions These results suggest that visual cues of warfare and team sports influence skin conductivity, but we did not find support for the hypothesis that sport is a substitute for war. Because this study was based exclusively on visual cues, we discuss additional possibilities that could influence future investigations.
... The first group is better represented by the Skill Training Theory (Lever, 1978), while the second one is based on the Cultural Courtship Model (Miller, 2001) and the third one on the Male Spectator Lek 6 Hypothesis (Lombardo, 2012). Now, we are going to try to show the pros and cons of each model. ...
... Still, even games of physical skills cannot be totally explained by mate choice if we consider the theory predicts that the sex which watches more often should be the opposite one from the sex that is gaming, and men are usually who games and watches more often, with a few exceptions, such as gymnastics, in which case women participate and watch more often (Apostolou, 2015;Apostolou et al., 2014;Lombardo, 2012). Hence, Intrasexual Selection may better explain the origin of gaming propensity. ...
... For example, even public sports are more often watched by people of the same sex of the games than by potential sexual partners (e.g. Apostolou et al., 2014;Deaner et al., 2016;Lombardo, 2012). ...
Experiment Findings
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Despite their similarity with play, games are theorized as voluntary attempts to overcome unnecessary obstacles following self-handicapping arbitrary rules. These forms of entertainment are universal, usually played by adults, and have robust cross-cultural gender differences, but have received little attention from evolutionary theories. Two evolutionary hypotheses have tried to explain why adults play: to select mates and to compete for resources/status. This way, our goal was to investigate the relationship between gaming propensity, measured through Gaming Investment, and variables related to mating and status-gaining. To do so, we surveyed 1470 Brazilian adults about their gaming habits, sociodemographic data and playfulness (OLIW scale). Then, we used linear regressions and path analyses to investigate possible predictors of Gaming Investment. Results point out that Gaming Investment is related to status-seeking in gamers’ communities, meanwhile it shows no strong evidences that gaming may attract more mates or that it is related to playfulness. Therefore, gaming propensity may have evolved as a non-lethal competition for status. Modern issues may have impacted the results and are discussed suggestions for future studies.
... Nessa sessão, exploraremos algumas das teorias mais frequentes sobre a origem e função dos jogos, que, em geral, podem ser divididas em três categorias: a propensão para jogar não tem uma função específica, mas é uma variação ou subproduto do brincar infantil; jogar tem a função de atrair parceiros sexuais; jogos têm a função de atrair aliados e status O primeiro grupo é melhor representado pela teoria do treino de habilidades (Lever, 1978), enquanto o segundo é baseado no Modelo de Cortejo Cultural (Miller, 2001) (Lombardo, 2012). A seguir, tentaremos explicitar as evidências a favor e contra cada um desses modelos. ...
... Por causa da diferença sexual no investimento parental mínimo obrigatório (Trivers, 1972), as fêmeas normalmente escolhem seus parceiros, enquanto os machos competem para serem escolhidos. Consequentemente, a pressão seletiva por homens que jogam é maior que a das mulheres, mas mulheres também jogariam, menos frequentemente, em decorrência da escolha mútua de parceiros (Miller, 2001 (Apostolou, 2015;Apostolou et al., 2014;Lombardo, 2012). ...
... Limitações no Modelo do Cortejo Cultural são debatidas já há alguns anos. Por exemplo, mesmo esportes jogados publicamente tendem a ser assistido mais por pessoas do mesmo sexo dos jogadores do que por parceiros(as) sexuais em potencial (ex.: Apostolou et al., 2014;Deaner et al., 2016;Lombardo, 2012). ...
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Apesar das semelhanças com brincadeiras, jogos são teorizados como tentativas voluntárias de superar obstáculos desnecessários seguindo regras arbitrárias autodebilitantes. Essas formas de entretenimento são ubíquas, normalmente realizadas por adultos e têm robustas diferenças de gênero transculturais, mas foram pouco consideradas pelas teorias evolucionistas. Duas hipóteses evolucionistas têm tentado explicar por que adultos jogam: para selecionar parceiros e para competir por recursos/status. Assim sendo, nosso objetivo foi investigar a relação entre a propensão para jogar, medida pelo Investimento em Jogos, e variáveis associadas à obtenção de parceiros e de status. Para isso, um questionário foi aplicado a 1470 adultos brasileiros perguntando sobre seus hábitos de jogo, informações sociodemográficas e a escala OLIW. Ao todo, foram obtidas 939 respostas válidas aqui analisadas. Usamos regressões lineares e uma análise de caminho para investigar possíveis preditores de investimento em jogos. Os resultados apontam que investir em jogos está associado a busca por status nas comunidades de jogadores, mas não encontrou fortes evidências de que jogos atraiam mais parceiros ou estejam relacionados à personalidade brincalhona. Assim, a propensão para jogar pode ter evoluído como uma competição não-letal por status. Questões contemporâneas podem ter impactado os resultados e são discutidas sugestões para futuros estudos.
... Play behavior is usually seen as a result of Natural Selection, a way for training hardto-master skills that would require dangerous conditions if play did not existed (Špinka et al., 2001;Bjorklund and Pellegrini, 2002;Burghardt, 2005). Meanwhile, Sexual Selection is used to explain the evolutionary functions of arts (e.g., Varella et al., 2011Varella et al., , 2017, sports (e.g., Lombardo, 2012;Deaner et al., 2016) and even playfulness as an individual difference trait (e.g., Chick, 2001;Moraes et al., 2021). Play's costs imply play can be a reliable signal of health, and consequently, this might be generalizable to adulthood. ...
... Puts, 2010;Shuker and Kvarnemo, 2021). For instance, men may play sports more often because women prefer sportive men (Faurie et al., 2004), because sports work as behavioral armaments in intrasexual competition (Lombardo, 2012) or as displays for potential parents-in-law (Apostolou, 2017), besides other bio-socio-cultural functions. Psychological traits can function as both armaments and ornaments (Berglund et al., 1996). ...
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By conceptualizing Sexual Selection, Darwin showed a way to analyze intra-specific individual differences within an evolutionary perspective. Interestingly, Sexual Selection is often used to investigate the origins of sports, arts, humor, religion and other phenomena that, in several languages, are simply called “play.” Despite their manifested differences, these phenomena rely on shared psychological processes, including playfulness. Further, in such behaviors there is usually considerable individual variability, including sex differences, and positive relationship with mating success. However, Sexual Selection is rarely applied in the study of play, with exception to what is concerned as infant training behavior for adult sex roles. We offer an integrated grounding of playful phenomena aligning evolutionary propositions based on sexual selection, which might stimulate further exploration of playfulness within evolutionary perspective.
... From a Darwinian perspective sports can be considered a ritualized form of within-and between-group competition (Goodwin, 2008;Lombardo, 2012). As with other forms of ritualized behavior, the meaning of the behavior is detached from its original evolved functions, becoming an adaptive exaptation (Lombardo, 2012): players of a baseball team competing for the Major League Baseball do not certainly look like bands of warriors trying to seize an enemy camp. ...
... From a Darwinian perspective sports can be considered a ritualized form of within-and between-group competition (Goodwin, 2008;Lombardo, 2012). As with other forms of ritualized behavior, the meaning of the behavior is detached from its original evolved functions, becoming an adaptive exaptation (Lombardo, 2012): players of a baseball team competing for the Major League Baseball do not certainly look like bands of warriors trying to seize an enemy camp. Likewise, Judo fighters are not competing for access to primary resources such as food or mates. ...
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Objectives There is evidence suggesting that in martial arts competitions athletes characterized by higher anxiety and harm avoidance may be more likely to lose a fight. This psychological profile has been hypothesized to explain in part the observation that cortisol is higher in losers before and in response to a competition. An important research target that needs further exploration is the identification of phenotypic traits that can be helpful in predicting athletes’ performance. Here we present a brief description of the theoretical bases that drives our research in the evolutionary psychobiology of sports and illustrate preliminary data on the relationship between the 5HTTLPR genotype, salivary cortisol, temperament and competition. Methods Sixty-five healthy male non-professional athletes provided saliva samples 10 min before and after a kumite session and filled out the Tridimensional Personality Questionnaire. Results Salivary cortisol levels 10 min before the competition were higher in losers and in athletes with the S allele. Temperament was associated with competition outcome and cortisol: losers were characterized by higher scores of harm avoidance and harm avoidance was positively correlated with cortisol levels. Conclusions The results confirm previous findings linking temperamental traits, pre-and post- competition physiological stress response with competition outcome in kumite fight. Moreover, they indicate an association between the 5HTTLPR polymorphism and pre-competition salivary cortisol, thus providing a preliminary but non-conclusive evidence on the role played by the 5HTTLPR genotype as a vulnerability factor in sport competition.
... On the other hand, boys' somatic investment shows different strategies more related with future mating and intrasexual competition (in evolutionary sense), and less reliant on body fat. Boys physical exercise is crucial, and differs from that of girls in cross-culturally societies (Lombardo, 2012). Most of the boys' physical and social skills are learned during physical games and team sports, linked in evolutionary sense with the success in cooperative hunting and warfare (Geary, 2010;Vugt et al., 2007;Yuki & Yokota, 2009). ...
... *Statistically significant differences in the slopes and/or the intercepts of the models (p-value < .05). and/or competitors (Boulton & Smith, 1992), mentioned by Lombardo (2012). For that, PA increases later reproductive success in boys (Kirchengast & Marosi, 2009). ...
Objectives Physical activity (PA) is required for healthy growth, development, and maturation and plays an important role in the prevention of overweight and obesity in childhood and adolescence. Sex-differences in PA levels are well documented, with boys spending more time in PA, especially in moderate-to-vigorous activities. Following the Life History Theory, our aim is to study if PA affects the fat tissues increases during childhood and juvenile phases in both sexes. Methods Time spent in sedentary, light, and moderate-to-vigorous PA levels were measured in a sample of 415 Portuguese children and juveniles (207 females/208 males; aged 6–11 years), using an accelerometer for 7 days. Skinfolds related with body fat were objectively collected and socioeconomic status factors were reported using a parental questionnaire. Results The outcomes show that girls' and boys' fat variables increased during the end of the childhood and the juvenile phase. However, these variables were differently affected by PA. Girls increased fat variables with the sedentary activity while boys decreased fat variables with moderate-to-vigorous PA. Alike, active boys but not girls reduced the fat increase tendency with age. Conclusions Although both sexes displayed a general fat increment with age, moderate-to-vigorous PA dampens the increase only in boys. In fact, active girls increased body fat in the same manner as non-active girls. From an evolutionary perspective, it could explain sex-specific somatic strategies related to future reproduction or, with future mating and intrasexual competition.
... Play fighting, in particular, allows children to practice aggression with low risk of injury. Sports are often considered a form of play fighting or ritualized warfare that can enhance abilities useful for real-world aggression like throwing, running, jumping, and kicking (e.g., Lombardo, 2012). Other forms of play fighting, such as rough and tumble play, have long been a part of human life in foraging, pastoralist, and large-scale modern cultures (Huizinga, 1938). ...
... Because sports competition is a human cultural invention, perhaps athletic performance has nothing to do with survival and reproduction (but see Lombardo, 2012) and thus an evolutionary account is of no use in this context. However, both evolutionary biologists and sport scientists would agree that performance represents the result of a complex interaction between the different subsystems that characterize the performing behavior. ...
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The goal of the special issue on “Sports science: evolutionary perspectives and biological mechanisms” was to build a bridge to help the development of a coherent and unifying approach to the study of sport science within an evolutionary framework. By focusing specifically on the biological and psychological dynamics of sport performance and competition, we asked if sports can be used to study the evolution of human behavior, biology and psychology. Likewise, we asked whether this evolutionary approach could improve our understandings of the physical and psychological limits of human athletic performance and health.
... Furthermore, some scholars have argued that cultural distance has disadvantages to female students' academic performance. The cultural displays of men present the function of demonstrating their mental and behavioral talents, which then serve as reliable indicators of culture in the society (de Block & Dewitte, 2009;Lombardo, 2012). Therefore, a male-dominated society can deprive women's resources (Xie & Shauman, 2003) and selfconfidence (Hyde & Kling, 2001), which impedes women's cultural adaptability and academic performance. ...
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Cross-border students’ academic performance draws people’s attention, whereas perceived cultural distance might influence their performance with gender difference. Based on role theory, men and women present different roles in society, and women are good at perceptual, cognitive aspects, making them more sensitive to cultural distance. Finding shows that the negative moderation role of gender existed in the relationship between cultural distance and academic performance. Particularly, female students showed lower cultural adaptation after cross-border migration, which then influenced their academic performance in universities. This study provides implication for policymakers and universities to pay more attention with additional resources to support female students’ cultural adaption.
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Introduction: The debate surrounding the regulations on the participation of transgender individuals in sports is not recent, but it is still ongoing. Some sports organizations are more flexible in this regard, while others are more conservative. Objective: Through a systematic review and meta-analysis, this study summarizes the scientific evidence of the effects of cross-sex hormone therapy on muscle strength, hematocrit, and hemoglobin measurements, parameters that seem to be linked to sports performance. Methods: We conducted electronic searches for manuscripts published before November 20th, 2020. Studies published in three different databases (PubMed, SciELO, and Lilacs) were included, without any time or language restriction, and using keywords such as “transgender”, “gender dysphoria”, “strength”, “hematocrit”, and “hemoglobin”. The PRISMA systematization was used for the elaboration of this review, while a meta-analysis was conducted to mathematically evidence the results. The meta-analysis was performed using the random effect model, to find the pooled estimate effect of cross-sex hormone therapy on the parameters analyzed. Results: The electronic search retrieved 21 articles that were eligible for inclusion. Cross-sex hormone therapy influenced the three parameters analyzed in almost all the studies. Overall, there was a significant increase in muscle strength in female-to-males (FtMs), per muscle group analyzed: +17.7% (95% confidence interval [CI]14.9;20.6). In male-to-females (MtFs) the results of the muscle strength analysis were more controversial, but the pooled estimate effect showed a decrease: -3.6% (95% confidence interval [CI] -6.6; -0.6). Conclusion: Muscle strength, hematocrit, and hemoglobin were altered as a result of cross-sex hormone therapy in both FtMs and MtFs. However, there was a lack of studies comparing the transgender individuals to the population of the same desired gender. Such studies are needed, to better infer rules for the participation of transgender athletes in Olympic sports.
The present study contributes to, updates, and extends the literature on sport and social mobility by reconceptualizing and reoperationalizing the odds of attaining college and professional athlete status. Using 1990 U.S. census data and team rosters, rates for achieving college and professional sports “careers” were computed for men and women of color in the most popular U.S. sports. A methodological contribution of this research is that the norming variables employed in the statistical calculations were refined, that is, they were age, race/ethnicity, sport, and sex specific. This inquiry contains the most systematic, extensive, and refined measures for assessing the likelihood of achieving the ultimate in sport upward social mobility—major league professional athlete status. A discussion of why the odds of obtaining professional athlete status vary is explored along with some of the conceptual and operational issues created by the concept Hispanic.