David Sanz

David Sanz
MEDAC · Metodología y Formación No reglada

Phd

About

136
Publications
84,157
Reads
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1,719
Citations
Additional affiliations
September 2006 - September 2019
Universidad Camilo José Cela
Position
  • Professor (Associate)
October 2003 - March 2020
Real Federacion Española de Tenis
Position
  • Managing Director
February 2000 - September 2003
Universidad de Extremadura
Position
  • Professor (Associate)

Publications

Publications (136)
Article
The aim of the present study was to analyze whether a compensatory training program including iso-inertial flywheel training could reduce shoulder imbalances in a group of asymptomatic young tennis players. After an initial evaluation, twenty-six young tennis players were assigned to either a supervised training group (FTG, n = 13) or a control gro...
Article
Background: Tennis is one of the most popular sports among youth. At elite levels, a notable increase in injury incidence and a temporary decline in performance may occur when children progress through puberty. However, limited research has explored maturity-associated variations in clinical measurements suggested as predictors of injury and tennis...
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The aims of this study were to examine the relationship between anthropometric variables, physical performance, and functional test with serve velocity regarding tennis players’ level and to design regression models that effectively predict serve velocity. A sample of sixteen male tennis players participated in this study (national level = 8, profe...
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Wheelchair mobility is an important factor for success in wheelchair tennis. Tennis matches can be played on different surfaces, so the aim of the present study was to analyse the influence of court surface on wheelchair tennis mobility. Four male wheelchair tennis players (age = 33.75 ± 12.33 years) performed two tests (20 m sprint and agility t-t...
Article
This study analysed and compared the physical and technical demands of professional wheelchair tennis (WT) on different surfaces (clay [C], hard [H] and grass [G] courts). A total of 6,720 shots from thirteen matches played by the best ten professional WT players was analysed. Physical demands (e.g., working time, resting time, shots per point …) a...
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The aim of this study was to analyse and compare the activity pattern and technical-tactical parameters of men’s wheelchair tennis matches from the Paralympic Games (PG) in Athens 2004 (A), Beijing 2008 (B), London 2012 (L) and Rio 2016 (R). A total of 5702 shots from twelve final round matches were analysed. Activity patterns (e.g., rally duration...
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The aim of this study was to identify the physical factors related to serve speed in male professional wheelchair tennis players (WT). Nine best nationally-ranked Spanish male wheelchair tennis players (38.35 ± 11.28 years, 63.77 ± 7.01 kg.) completed a neuromuscular test battery consisting of: isometric handgrip strength; serve velocity; 5, 10 and...
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Objectives: The hexagon agility test is widely used in tennis players’ fitness evaluation, although its validity has not been fully stablished. This study aimed to assess the relationships between sprinting, jumping, and change of direction (COD) ability with the hexagon test performance. Methods: Thirty-five under-16 tennis players completed a tes...
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The influence of muscular fatigue on tennis serve performance within regular training sessions is unclear. Therefore, the aim of the present study was to examine the within-session sequence of the tennis serve in youth tennis. Twenty-five young male (14.9 ± 0.9 years) and female (14.5 ± 0.9 years) players participated in this within-subject crossov...
Article
The aim of this study was to examine performance enhancing (i.e., training) effects of a neuromuscular warm-up (NWU) compared with a dynamic WU (DWU) in young tennis players. Twenty-eight well-trained male tennis players with a mean age of 15.09 ± 1.16 years participated in this study and were assigned to either a training group performing NWU (n=1...
Article
The purpose of this study was to determine the influence of the use of bounce on performance in wheelchair tennis. Data pertaining to all the hits on the ball (n = 4021) were recorded from 16 men’s singles professional matches. Performance parameters regarding to players’ skill level (high- and low-ranked) the game situation (players and the serve-...
Article
Moreno-Pérez, V, Machar, R, Sanz-Rivas, D, and Del Coso, J. ACTN3 R577X genotype in professional and amateur tennis players. J Strength Cond Res XX(X): 000-000, 2019-Several investigations have concluded that the RR genotype in the ACTN3 R577X polymorphism is overrepresented in elite athletes of strength- and power-based sports when compared with n...
Article
Objective: The purpose of this article is to analyse benefits of the playing wheelchair tennis in people with disabilities and to know some aspects that affect a player´s performance. Methods: Keyword search of Medline, SPORT Discus and Scholar Google databases was conducted to find relevant studies pertaining to: wheelchair tennis and adapted spor...
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This study aimed to compare the effects of 6-week resisted sprint (RST) versus conventional (unresisted) sprint training (CG) on sprint time, change of direction (COD) speed, repeated sprint ability (RSA) and jump performance (countermovement jump (CMJ) and standing long jump (SLJ)) in male young tennis players. Twenty players (age: 16.5 ± 0.3 year...
Article
The aim of this study was to examine the differences in linear sprint, change of direction (COD) performance and COD deficit in a large sample of under-13 (U13) and under-15 (U15) male and female tennis players. One hundred and twenty-eight junior tennis players grouped into two age-groups (U13 years (32 males and 28 females) and U15 (36 males and...
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Objective: The aims of this study were to analyze the shoulder functional profile of young male and female tennis players and to establish the relationship among physical variables and serve speed. Methods: A total of 128 Spanish tennis players (Under-13 (n = 32/32 males/females) and Under-15 (n = 36/28 males/females), were tested during Nationa...
Article
To analyse the influence of age and skill level on tennis serve performance, 99 male participants took part in a study of maximum effort serves to a target (50 x 50 cm) in the add service box. Participants were divided into two skill level groups (elite and recreational) and three age groups (under 12 years old [U12], under 16 years old [U16] and +...
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Evaluar la condición física de los deportistas permite conocer qué aspectos deben ser mejorados, así como comparar el nivel de condición física del jugador respecto a grupos de referencia. El objetivo de este estudio fue medir los niveles de condición física de jugadores de tenis en silla de ruedas (TSR) y establecer comparaciones en función del ra...
Article
El objetivo de este trabajo fue analizar la influencia del uso del bote en el tenis en silla de ruedas (TSR) durante un torneo y establecer las diferencias entre el ganador y perdedor del set. Se grabaron y analizaron un total de 16 partidos de jugadores de nivel internacional. Se analizó el tipo de golpe, así como el número de botes de la pelota a...
Article
PURPOSE:: This study aimed to determine whether the game activity and physiological responses of young tennis players differed depending on the session of play (e.g., morning (MOR) vs. afternoon (AFT)) and the final match outcome (e.g., winners vs. losers), during a simulated competition with two matches on the same day. METHODS:: Twelve well-trai...
Book
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Y el deporte inclusivo salió a la calle. Seguramente esa fue la mejor apuesta posible, tras dos exitosas celebraciones anteriores de la Semana del Deporte Inclusivo en 2010 y 2011, donde la actividad práctica de la Semana se desarrolló en las instalaciones deportivas del Consejo Superior de Deportes. Esta vez, quizá por la madurez del concepto mism...
Book
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John Dewey, uno de los máximos representantes de la Pedagogía de la acción, concibe la escuela como motor de la transformación social. La experiencia como situación básica del aprendizaje, permite al individuo interiorizar conceptos a través de su constatación práctica. Y se desarrolla en un proceso de interacción y continuidad. Permítame el lector...
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The aim of the present study was to analyze the effects of a 5-week neuromuscular training (NMT) implemented before or after a tennis session in pre-pubertal players on selected components of physical fitness. Sixteen elite and well-trained tennis players with a mean age of 12.9 ± 0.4 years participated in this study, and were assigned to either a...
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The aim of this study was to analyse existing testing procedures and to establish initial recommendations and guidelines based on a survey which compared and analysed the testing procedures applied in the world leading tennis nations.
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Tennis is a sport with a high technical, tactical, physical and psychological content. These contents can be developed by players with some kind of impairment. In fact, although at the institutional level, the International Tennis Federation (ITF) ́s regulations only consider wheelchair tennis for persons with physical disabilities, we find more an...
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The aim of this study was to analyse shot selection in a wheelchair tennis (WT) tournament, comparing winning and losing players and evaluating the outcome of strokes. Sixteen men’s singles WT matches (comprising a total of 5,720 strokes) were analysed. Each match was recorded and the following variables were analysed: services, returns, groundstro...
Article
The purpose of this study was to analyze the effects of playing two tennis matches on the same day on physical performance in young tennis players. Twelve well-trained young tennis players took part in a simulated tennis competition consisting of two tennis matches on the same day (morning and afternoon sessions). Before and the day after the compe...
Article
The aim of this study was to compare activity patterns between male and female wheelchair tennis (WT) matches. Sixteen singles international WT matches (eight male and eight female) were analysed. Each match was recorded and analysed according to the following variables: total match time (minutes), total set time (minutes), effective playing time (...
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Purpose: This study compared the effects of combining high-intensity training (HIT) and sport-specific drill training (MT) versus sport-specific drill training alone (DT) on fitness performance characteristics in young tennis players. Methods: Twenty young tennis players (14.8 ± 0.1 years) were assigned to either DT (n=10) or MT (n=10) for 8 wee...
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Despite the large number of studies that have examined the acute effects of different warm up modalities (WU) on physical performance, none of them have documented the time course of potential performance recovery in tennis players. The aim of this study was twofold: (a) to analyze and compare the acute effects of two different WU modalities (tradi...
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Among the different characteristics of the comprehensive development of a tennis player, there is an important one, its multi phase component. Above all, one of the bases of motor development during the maturity process of the player, has to do with coordination skills. It is considered that the development of coordination is an essential element i...
Article
The aim of the present study was to analyse the differences in match statistics between conventional tennis (CT) and wheelchair tennis (WT) on different surfaces by gender. Data from 220 sets (127 sets of CT and 93 of WT) from three of the 2014 Grand Slams (Australian Open (AO), Roland Garros (RG), and US Open (UO)) were analysed. The variables rel...
Article
The aim of this investigation was to determine age-related factors of the top 100 ranked men and women tennis players over the last few decades. The birth date and the ranking position of 1,040 top-100 tennis players (647 men and 393 women) were obtained from official public websites. The mean age of top 100 male tennis players increased significan...
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Preseasons in tennis are normally reduced to 5 to 7 weeks duration, and coaches should use an integrated approach to conditioning and skill-based work. The aim of the present study was to investigate the effects of adding a high-intensity training (HIT) shock microcycle to the normal training content in several physical performance indicators in th...
Article
The aim of this study was to analyse the effects of an 8-week (conducted biweekly for a total of 16 sessions) plyometric training programme (PT) (e.g., upper- and lower-body exercises) combined with regular tennis training on physical qualities in young tennis players. Sixty tennis players between the ages of 12 and 13 years (age 12.5 ± 0.3 years,...
Article
The aim of this study was to analyze the activity patterns of wheelchair tennis matches. 16 male singles tennis matches were played. Eight internationally ranked players were recorded and subsequently analyzed according to the following variables: total playing time, effective playing time, resting time (both in absolute values and as a percentage...
Article
There is a lack of information about the physiological and psychological parameters in competition that shows a comprehensive profile of the demands of the game situation. The aim of the present study was to examine the activity patterns and physiological-perceptual responses (heart rate (HR), blood lactate concentrations (LA) and the rate of perce...
Article
Resumen. El objetivo del presente trabajo fue analizar la estructura temporal del tenis en silla de ruedas de alto nivel. Se seleccionaron los 4 mejores jugadores masculinos del ranking nacional español. Se grabaron 6 partidos en superficie de tierra batida y se realizó un visionado y codificación de los mismos atendiendo a las siguientes variables...
Article
The purpose of this study was to determine the differences between winning and losing a wheelchair tennis match in the 2012 Paralympic Games. Data from 67 sets of 32 matches played by 32 female players in the 2012 Paralympic Games were analysed. The variables were grouped into four groups: variables related to the serve, to the return, to winners a...
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The aims of this study were to compare the psycho-physiological stress responses during a real competitive game and a training session in a group of high level young female tennis players. Twelve players were monitored during one match and a training day (i.e. simulated match play). Measurements included salivary cortisol (SC); the revised Competit...
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Se realizó un análisis cronométrico del split-step y del tiempo de respuesta en restadores experimentados para corroborar de forma cuantitativa las observaciones cualitativas que notificó Nick Saviano hace algunos años. También, se estudió el vínculo existente entre las diferentes fases del split-step con la reacción de los jugadores. Para ello, se...
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Some years ago, Nick Saviano notified qualitative observations. In this study we have made a chronometric analysis of the split -step and the response times of experienced returners to prove qualitative observations in a quantitative way. The research included the relationship between the different phases of the split-step and the reaction of the p...
Article
: The aim of this study was to analyze the effects of a combined explosive strength and repeated sprint-training program (two times per week) on performance (sprint, jumping ability and repeated sprint ability) in young elite tennis players during a competitive period. Eight competitive internationally ranked male junior tennis players participated...
Article
In this paper three alternative theoretical streams to cognitivism, with particular emphasis on enactivism are discussed in order to explain the sport skill acquisition process and human control of movement. In the first part, main concepts of ecological psychology are outlined, like movement regulation, direct perception or mutual interdependence...
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En el presente artículo se discuten tres corrientes teóricas alternativas al cognitivismo, para explicar el desarrollo hacia la pericia en el ámbito del aprendizaje y del control motor en deporte, haciendo especial énfasis en el enactivismo. En la primera parte se tratan las principales nociones de la psicología ecológica, como la regulación del mo...
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Il y a quelques années, Nick Saviano a publié des observations qualitatives. Dans ce travail nous avons réalisé une analyse chronométrique du saut d’allégement et du temps de réaction de relanceurs expérimentés afin d’étayer ses observations qualitatives par des données quantitatives. Il s’est également intéressé à la relation entre les différentes...
Article
Since wheelchair tennis became a paralympic sport in Barcelona ´92, it has developed professionally, and the number of scientific publications on this subject has grown accordingly. This article gathers the information that describes the temporal structure and the physiological demands of wheelchair tennis in order to improve the quality of the cur...
Article
The aim of this study was to analyse and compare the statistics of the competition in professional wheelchair tennis matches. We selected a total of 27 Grand Slam men’s singles matches (14 Roland Garros and 13 US Open), representing 100% of the matches in these competitions. An analysis of the following variables was done: total length of the match...
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Sports with a predominance of forward-bending and extension postures have been associated with alterations in the sagittal spinal curvatures and greater risk of spinal injury. Because, the tennis players adopt these postures, the aims of this study were: 1) to describe spinal curvatures and pelvic tilt in male and female highly trained adolescent t...
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This study examined the effects of a 6-week strength-training program on serve velocity in youth tennis players. Thirty competitive healthy and nationally ranked male junior tennis players (13 years of age) were randomly and equally divided into control and training groups. The training group performed 3 sessions (60-70 min) weekly for 6 weeks, com...
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The human being is interpreted as a complex system with a capacity to adapt, and in continuous interaction with his environment (Kelso, 1995). Any variation around him will create changes in the system to adjust to the surrounding conditions. This capacity to adapt, a characteristic of the biologic system, is an appropriate reference to understand...
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In Spain, sport for people with disability has never been as recognized as today. The area within the sports sciences that deals with this topic is Adapted Physical Activity (AFA), which includes the adapted sports. This article examines the area, its historical development, and its main features as an area of knowledge and professional development...