
Marije T Elferink-GemserUniversity of Groningen | RUG · Center for Human Movement Sciences
Marije T Elferink-Gemser
PhD
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Publications (178)
The aim of this study was to analyze which variables were most important for the teams’ final rank. Executive function, deliberate practice, and biological maturation between a higher-ranked and a lower-ranked team in the championship were considered. The 51 players were divided into the top and bottom team. The players underwent stop-signal, desig...
Although both discrete (0D) and continuous (1D) analysis are used, the differences in results between both analyses in repeated measures designs are unclear. Therefore, the purpose of this study was to explore if discrete and continuous analysis on the same dataset lead to different conclusions. Data of an intervention study regarding sidestep cutt...
Background
Various physical fitness qualities such as muscle strength, speed and endurance are related to soccer performance. Accordingly, the combination of strength and endurance training (i.e., concurrent training [CT]) is an often-encountered training regimen in soccer. Less is known about the effects of CT sequencing on performance in young so...
Background: the goal-directed decision-making process of effort distribution (i.e. pacing) allows individuals to efficiently use energy resources as well as to manage the impact of fatigue on performance during exercise. Given the shared characteristics between pacing behaviour and other skilled behaviour, it was hypothesized that pacing behaviour...
Purpose: Use a large-scale longitudinal design to investigate the development of the distribution of effort (e.g., pacing) in adolescent swimmers, specifically disentangling the effects of age and experience and differentiating between performance levels in adulthood.
Methods: Season best times and 50m split times of 100m and 200m freestyle swimme...
To our knowledge, no feasible, valid and reliable instrument exists to examine tactical skills over the course of multiple training and game situations in tennis yet. Therefore, the aim of this study was to develop and evaluate the psychometric properties of the Tactical Skills Questionnaire in Tennis (TSQT). The TSQT is a new instrument with close...
INTRODUCTION: Due to the low efficacy of the swimming movement and relatively high resistance of water, pacing is crucial for swimming performance [1]. Cross-sectional studies show that in the 200m freestyle event, adolescent swimmers tend to start too fast, as an even pacing behaviour has been proposed to yield the best performance and is preferre...
Observational learning is considered powerful to promote (implicit) motor learning. While it is a common tool in practice, little is known about the effects of video instructions on movement execution. The aim of this study was to investigate the effects of watching biomechanically optimal (OPT) and suboptimal (SUBOPT) sidestep cutting (SSC) video...
While tactical performance in soccer is associated with the players' and teams' collective actions in the context of game stimuli, how tactical performance relates to players' executive functions (EFs) and physical abilities should be examined. In this study, we examined these relationships among 81 Under-15 male soccer players who underwent tactic...
Gross motor coordination (GMC) is essential for the development of specific motor skills
and long-term participation in physical activities and sports. Group analysis reveals that, on average, children develop these skills gradually; however, how individuals develop GMC is less clear. The main aim of this study is to increase the understanding of d...
Although effort is put forward regarding prevention programs, the rate of ACL injuries in soccer is still high. Autonomy is possibly a key component to improve movement execution and therefore decreasing injury risk. A previous study of our group showed that a self-controlled feedback (SC) group showed better Cutting Movement Assessment scores (CMA...
Roete, AJ, Stoter, IK, Lamberts, RP, Elferink-Gemser, MT, and Otter, RTA. Introducing a method to quantify the specificity of training for races in speed skating. J Strength Cond Res XX(X): 000-000, 2022-The specificity of training for races is believed to be important for performance development. However, measuring specificity is challenging. This...
Self-regulated learning (SRL) involves self-directed metacognitive subprocesses and motivational beliefs that facilitate more effective and efficient learning. We investigated whether youth swimmers who are on track to becoming elite swimmers apply SRL subprocesses more frequently in their daily training sessions compared with swimmers who are not...
Purpose: The aim of this study was to compare the effects of moderate intensity, low volume (MILV) vs. low intensity, high volume (LIHV) strength training on sport-specific performance, measures of muscular fitness, and skeletal muscle mass in young kayakers and canoeists. Methods: Semi-elite young kayakers and canoeists (N = 40, 13 ± 0.8 years, 11...
The interest of the scientific community in the tactical skills of practitioners of collective invasion sports has generated the need for the development of instruments capable of measuring such skills in an attempt to contribute in this direction. The present study aimed to translate and analyse the psychometric properties (confirmatory validity a...
Supplementary file of the systematic review, which includes a table containing results of the methodological quality assessment of included studies based on guidelines by Law et al. (1998)
Agility is an important ability for tennis players. To be successful in the rallies, players must perform rapid, multidirectional movements in response to the ball and/or the position of the opponent. For a test to be representative in monitoring agility performance, it should capture a combination of the physical and cognitive agility performance....
INTRODUCTION:
The development of pacing behaviour (i.e. the outcome of the decision-making process regarding the distribution of effort over an exercise task) during adolescence has been established in literature [1]. However, the majority of the literature features only men and has a cross-sectional design, which is deficient in detecting developm...
For lower extremity injury prevention, it is crucial to decrease external loads to the joints in sport-specific situations. The purpose of this study was to examine how landing kinetics and psychological factors (i.e., motivation) change during a four-week laboratory training program. Ten talented soccer girls practiced three sport-specific tasks a...
Identifying high-performing and promising athletes is an important task of national surf associations. However, the scientific foundation of performance indicators in surfing has only developed in recent years. This review aimed to (1) find out which performance characteristics discriminate between surfers of different skill levels, and (2) point o...
Purpose
Dribbling is a significant skill in soccer, owing to its effectiveness to create opportunities for scoring, and has been analysed from different perspectives, including the development of talented players. This study proposes a more comprehensive definition than the one earlier applied, considering key elements present in other suggestions...
Purpose:
In long-track speed skating, drafting is a commonly used phenomenon in training; however, it is not allowed in time-trial races. In speed skating, limited research is available on the physical and psychological impact of drafting. The aim of this study was to determine the influence of "skating alone," "leading," or "drafting" on physical...
Introduction: Performance assessment in professional soccer often focusses on notational assessment like assists or pass accuracy. However, rather than statistics, performance is more about making the best possible tactical decision, in the context of aplayer’s positional role and the available options at the time. With the current paper, we aim to...
Purpose
The aim of this study was to compare the effects of moderate intensity, low volume (MILV) vs. low intensity, high volume (LIHV) strength training on sport-specific performance, measures of muscular fitness, and skeletal muscle mass in young kayakers and canoeists.
Methods
Semi-elite young kayakers and canoeists (N = 40, 13 ± 0.8 years, 11...
Gäbler, M, Prieske, O, Elferink-Gemser, MT, Hortobágyi, T, Warnke, T, and Granacher, U. Measures of physical fitness improve prediction of kayak and canoe sprint performance in young kayakers and canoeists. J Strength Cond Res XX(X): 000-000, 2021-Markers of talent selection and predictors of performance in canoe and kayak sprint are not yet well d...
A systematic review in PubMed, Web of Science, SPORTDiscus, PsycINFO, and Google Scholar was conducted to provide a state-of-the-science overview of agility tests in the racquet sports tennis, badminton, and squash while evaluating their measurement properties. Twenty articles were included covering 28 agility tests. Results showed 10 sport-specifi...
Background: The effectiveness of traditional talent development (TD) programs can be questioned. Meanwhile, an extra pathway to the top has made its appearance: Talent transfer (TT). The aim of TT is to fast-track talented athletes into the high-performance environment. The first TT initiatives and studies exploring the TT process have been carried...
Free downloads: https://www.tandfonline.com/eprint/WUWRQYYKIW2D7ACNRQGU/full?target=10.1080/13598139.2021.1900792
This literature review provides an overview of the various modern approaches in talent programs for the context of schools and sports reported in scientific journals (2009–2019) and presents their similarities and differences and optio...
Purpose:
The aim of this brief review was to present an overview of noninvasive markers in trained to professional endurance athletes that can reflect a state of functional overreaching.
Methods:
A systematic literature search was conducted in the PubMed, Scopus, and PsycINFO databases. After screening 380 articles, 12 research papers were inclu...
Less than 1% of all sports participants ever reach the top and become successful professional athletes. Defining expert performance is one of the greatest conundrums for sports professionals and it tends to be susceptible to subjective biases. Challenges in defining expertise especially arise with sports which, by nature, lack objective criteria fo...
The current study analysed the pacing behaviour of athletes competing in the middle‐long track event finals of the IAAF Under 18 and Under 20 World Championships between 2015 and 2018. Official finishing times, 1000‐m split times and positioning data of 116 female and 153 male athletes, competing in the middle‐long distance running (3000 m, 5000 m...
The aim of this study is to examine whether technical characteristics predict current and future tennis performance of youth tennis players. Twenty-nine male youth tennis players (age 13.40 ± .51) were assessed on anthropometrical characteristics (height, weight, maturity status) and technical characteristics (ball speed, accuracy and percentage er...
Objective: The main goal of the present study was to investigate the interim performance progression (IPP) of talented swimmers. Part of this group ultimately made it to the top (referred to as elite swimmers) whereas others did not make it to the top (referred to as high-competitive swimmers). Rather than investigating performance progression base...
Earlier research shows that wide regional variations exist in the success of athletes’ talent development but is divided with respect to the role of urbanity: both low and high urbanity have been identified as settings that contribute to the presence of talent hotspots. In this article, we intend to provide more insight into the role of urbanity in...
ABSTRACT
Association football teams can be considered complex dynamical systems of individuals grouped in subgroups (defenders, midfielders and attackers), coordinating their behaviour to achieve a shared goal. As research often focusses on collective behaviour, or on static subgroups, the current study aims to analyse spatiotemporal behaviour of d...
Sprint performance over short distances is a central component in young tennis players' development. This study aimed to examine the longitudinal development of sprint performance in young female tennis players, and to investigate differences between performance levels. Also potentially explanatory variables were investigated. Female tennis players...
Speed skating is a technical endurance sport. Still, little is known about technical changes in junior speed skaters. Therefore, changes in technique throughout a 1500-m time-trial of elite junior speed skaters is investigated to explore differences between sexes, performance levels and competitive seasons. At (inter)national 1500-m competitions, k...
Professionals involved in training programs for judokas should have access to evidence-based data on various characteristics of these athletes. In the current study, anthropometric (e.g., body height, body mass), physiological (e.g., power based on vertical jump height, maximal handgrip strength), and psychological (e.g., athletic coping skills) ch...
This study aimed to determine whether players selected for the under 11 team of a professional youth football academy outperform their deselected peers in physical, technical and gross motor coordination skills, or in psycho-social capacities. Of the young players active at different amateur clubs yearly 2% were scouted to participate at trainings...
Purpose:
To analyse the development of pacing behaviour of athletes during adolescence, using a longitudinal design.
Methods:
Lap times of male short-track speed skaters (140 skaters, 573 race performances) over two or more 1500-m races during Junior World Championships between 2010 and 2018, were analysed. Races were divided into four sections...
De manier waarop sporters tijdens een race of wedstrijd hun energie verdelen (ook wel pacing gedrag genoemd) kan het verschil maken tussen winnen en verliezen. Daarnaast is een afwijkende verdeling van energie over een langere termijn in relatie gebracht met een verhoogde kans op overtraining en blessures. De ontwikkeling van pacing gedrag start al...
In professional soccer, increasing amounts of data are collected that harness great potential when it comes to analysing tactical behaviour. Unlocking this potential is difficult as big data challenges the data management and analytics methods commonly employed in sports. By joining forces with computer science, solutions to these challenges could...
The intrapersonal mechanism that drives and explains individual differences in motor development is still a relatively underexplored area of research. In this study, we set out to determine whether in teachers' perceptions, higher sport-learning capacity (SLC) is associated with the level of fundamental movement skills, and the changes therein over...
Although relative age effects in sports have been studied worldwide , the underlying mechanisms are still under debate. This study adds to the existing knowledge by providing a further exploration of the within-year and between-year effects and their possible interaction in an individual skill/technique based sport: table tennis. Data of male and f...
Background:
The present study investigated longitudinally the performance development of a multigenerational sample of competitive swimmers. The aim of the study was to provide unique insight into the junior towards senior performance development of those few who reached top-elite level. Season Best Times (SBT) of 100m freestyle performance of int...
Our purpose was to show that highly skilled student-athletes (n = 146, 41.1% female, mean age 14.1 years) differ across domains with regard to their need for competence, effort, and attributions. As hypothesized, the results show that relative to the school domain, in the sport domain, student-athletes had a stronger need for competence, a higher w...
Purpose: To study the pacing behaviour and performance of novice youth exercisers in a controlled laboratory setting.
Method: Ten healthy participants (seven male, three female, 15.8±1.0 years) completed four, 2-km trials on a Velotron cycling ergometer. Visit 1 was a familiarization trial. Visits 2 to 4 involved the following conditions, in rand...
Elite athletes have invested many years in training and competition to reach the elite level. One very important factor on the road to elite performance is the decision-making process regarding the regulation of effort over time, termed as pacing behavior. The regulation of effort is vital for optimal athletic performance during a single race and o...
Het herkennen en monitoren van jong sporttalent vraagt om een multidimensionale benadering. Elke sport heeft zijn eigen profiel en het vinden van de sleutelfactoren voor toekomstig succes is steeds een uitdaging, zo ook voor de judosport. Dit artikel geeft een eerste aanzet tot het fysiek en mentaal profileren van judoka’s op basis van wetenschappe...
Athletes’ energy distribution over a race (e.g. pacing behaviour) varies across different sports. Swimming is a head-to-head sport with unique characteristics, such as propulsion through water, a multitude of swimming stroke types and lane-based racing. The aim of this paper was to review the existing literature on pacing behaviour in swimming. Acc...
Talented athletes use metacognitive skills to improve their performance. Also, it is known that these skills are important for managing one's health. The goal of this study was to identify the relationship between metacognitive skills and overuse injuries in talented tennis players. Metacognitive skills were measured in 73 talented tennis players (...
Sports performance benchmarks useful to select and guide future elites are limited in literature. The present study introduces a method to enable comparison between sports performance of different generations and creates performance benchmarks for the future elites in speed skating. 1500 m Season Best Times (SBT) of Dutch skaters (1043 females, 181...
The purpose of the present study is to identify the within-career challenges top-level gymnasts experience during the initiation, development and mastery stage of athletic development in training sessions, competition, and in daily life. In-depth interviews are used to explore the perceived challenges of 16 talented and elite gymnasts (M = 16.5 yea...
This study aimed to investigate the higher-level cognitive functions (i.e. metacognition and executive functions) of Dutch competitive table tennis players to better understand its relevance for performance in this fast and complex sport. Thirty elite (age 16 ± 4) and thirty age and sex-matched sub-elite peers (age 16 ± 5) were assessed on metacogn...
The main aim of this study was to evaluate a new combination of test items on its practical use as a tool for determining the fundamental movement skills performance in 6- to 10-year old primary school children. This combination of tests should cover the different aspects of fundamental movement skills (i.e., locomotion, balance and object control)...
Purpose:
To gain insight into the development of pacing behaviour of youth athletes in 1500-m short-track speed skating competition.
Methods:
Lap times and positioning of elite short-track skaters during the seasons 2011/2012 - 2015/2016 were analysed (n=9715). The participants were grouped into age groups; under 17 (U17), under 19 (U19), under...
There is still only limited research available on whether the psychological characteristics and skills which facilitate successful progress throughout various stages of talent development, are the same as those contributing to elite performance. The purpose of the current study is therefore to identify the psychological characteristics and skills r...
The aim of this systematic review is to provide an overview of outcome measures and instruments identified in the literature for examining technical and tactical skills in tennis related to performance levels. Such instruments can be used to identify talent or the specific skill development training needs of particular players. Searches for this re...
This study examined the prognostic relevance of self-determined motivation, coping, burnout, perceived stress and recovery experienced by 159 youth table-tennis players involved in intensive training centers with regard to their participation and success six years later. Results of ANCOVAs showed that players who still practiced at time 2 (T2; six...
Purpose:
Providing insight in the development of pacing behavior in junior speed skaters and analyse possible differences between elite, sub-elite, and non-elite juniors.
Methods:
1500m season best times (SBT) and corresponding pacing behavior were obtained longitudinally for 104 Dutch male speed skaters at age 13-14(U15), 15-16(U17), and 17-18(...
Talent development in table tennis is influenced by a lot of factors. Besides the personal characteristics of a player, also the player's context has great impact on the possibility to fulfill the player's potential (Faber, 2016). One of the contextual influences that has been recognized in a lot of sport is the relative age effect (Musch & Grondin...
This study first investigated the importance of ball control and (self-reported) self-regulatory skills in achieving the elite level in basketball. The second aim was to gain insight into the development of, and association between ball control and (self-reported) self-regulatory skills that contribute to achieving the elite level, with taking into...
Pacing has been characterized as a multi-faceted goal-directed process of decision-making in which athletes need to decide how and when to invest their energy during the race, a process essential for optimal performance. Both physiological as well as psychological characteristics associated with adequate pacing and performance are known to develop...
Predicting current and future tennis performance can lead to improving the development of junior tennis players. The aim of this study is to investigate whether age, maturation, or physical fitness in junior elite tennis players in U13 can explain current and future tennis performance. The value of current tennis performance for future tennis perfo...
In tennis, mental toughness is often considered highly important in achieving the elite level. The current study is the first to examine behavioural expressions of mental toughness on the court and their relationships with self-reported measures. Based on the input of five experienced tennis coaches of junior tennis players and behaviours used in p...
This study examined the test-retest reliability, validity and feasibility of the newly developed Dutch Technical-Tactical Tennis Test (D4T). This new test is relevant for talent identification and development in tennis. Thirty-two youth male tennis players (age 13.4 ± 0.5) were classified as elite (n = 15) or sub-elite (n = 17) according to their p...