Alfonso Castillo-Rodríguez

University of Granada | UGR · Departamento de Educación Física y Deportiva

Background and objectives: The aim of this study was twofold: (i) to observe the individual results of fitness status [countermovement jump (CMJ)], hop test, linear sprinting time, stride frequency, stride distance, force-power-velocity, peak power maximal and maximal speed, and repeated sprint ability (RSA) and functional performance (overhead sq...

For this research, we analyzed the immediate effects of warm-up condition (WC) or without warm-up condition (WWC) on amateur referees’ physical and cognitive functioning. Eight professional soccer referees from the Balearic Committee of Football Referees were the participants of this study. Body composition characteristics were measured and the sco...

The objectives of the present study were firstly to evaluate precompetitive anxiety and self-confidence (SC) in padel players according to their playing level; and secondly, to study the factors that influence the levels of precompetitive anxiety and SC. One hundred padel players, all of whom were federated men (age: M = 27.6, SD = 7.5 years; weigh...

Soccer referees (SRs) are exposed to stressful situations during the competition that can affect decision-making, could be affected by impulsivity during the competition and therefore, require optimal psychological skills. The objective of this study was to ascertain and analyze the relationship between levels of impulsivity and self-efficacy of am...

This study aimed to analyze the locomotion activity of elite-level soccer players throughout the weekly microcycle by playing position, and compare the training-load (TL) behavior in relation to match-play in absolute and relative (meters or events per minute) terms. Training and match data were collected from 30 professional soccer players belongi...

The aims of this study were to compare the training and match load of professional soccer players according to the playing position, and analyse the relationship between the metabolic and running speed metrics. Thirty professional male soccer players belonging to a Spanish First Division team were analysed using global positioning system devices (...

The objectives of the present study were to analyze the relationship between psychological variables (self-esteem, anxiety and self-confidence) assessed before the competition and physical and physiological responses demonstrated during the competition in soccer referees and to compare these psychophysical and physiological responses by category (...

Los objetivos fueron analizar la relación entre las variables psicológicas pre-competición de árbitros de fútbol semiprofesionales y sus respuestas físico-fisiológicas durante la competición y comparar estas respuestas atendiendo a su nivel de experiencia. Participaron 153 árbitros (edad M = 23.21; DT = 4.80 años; experiencia M= 6.07; DT = 4.53 año...

Objective Various nutritional strategies are adopted for athletes to maintain and to improve performance during the competition season. Betaine may enhance performance during a competitive season by increasing the testosterone to cortisol ratio and reducing systemic inflammation. The aim of this study was to investigate the effect of betaine supple...

The current literature has shown how working on coordination and agility produces effects on specific aspects in team sports. The purpose of this study was to examine the effects of a ten-week coordination training program applied to soccer on different tests that evaluate speed (30 m speed test), agility (Illinois Agility Test (IAT)) and lower bod...

El árbitro de fútbol (AF) se expone a situaciones estresantes durante la competición que pueden afectar a la toma de decisiones, pudiendo ser más o menos impulsiva durante dicha competición. Los objetivos de este estudio son analizar la fluctuación de la impulsividad del AF amateur entre un contexto basal y otro precompetitivo y, además, comparar l...

Los objetivos del estudio fueron analizar la composición corporal de los árbitros de fútbol en función de su categoría y evaluar su relación con la adherencia a la dieta mediterránea (DM). Existe una muestra aleatoria de 153 árbitros de fútbol (edad M = 23.2; DT = 4.8 años; IMC M = 23.41; DT = 2.86 kg/m2), divididos en dos grupos (nacionales y no n...

The soccer referee confronts stressful situations during the sports competition while performing physical actions of great demand to be close to the play that entails a high physiological demand. The aims of this study are to know the different physical, physiological and psychological responses and their interrelations in real competition in amate...

Objective Various nutritional strategies are adopted for athletes to maintain and improve performance during the competition season. Betaine may enhance performance during a competitive season by increasing the testosterone to cortisol ratio and reducing systemic inflammation. The aim of this study was to investigate the effect of betaine supplemen...

Soccer referees (SRs) encounter stressful situations during competitions and sometimes even outside them, which may affect their decision making. Therefore, it is important that they possess or acquire optimal levels of self-efficacy, since it is related to less stress during competition, also guaranteeing sports performance and prevent sports aban...

Objective Systemic elevations in pro-inflammatory cytokines are a marker of non-functional over reaching, and betaine has been shown to reduce the secretion of pro-inflammatory cytokines in vitro. The aim of this study was to investigate the effects of betaine supplementation on tumor necrosis factor alpha (TNF-α), interleukins-1 beta (IL-1β), − 6...

Soccer is a popular team sport and highly demanding activity that requires high effort and long-term training plans. The goals of this study were to compare the accelerations, decelerations and metabolic power between official and friendly full matches, between the first and second halves of the matches, and between both halves of official and frie...

Soccer is a popular team sport and highly demanding activity that requires high effort and long-term training plans. The goals of this study were to compare the accelerations, decelerations and metabolic power between official and friendly full matches, between the first and second halves of the matches, and between both halves of official and frie...

The aim of this study was to analyze the locomotion and metabolic responses of professional players in the top three competitive standards of Spanish soccer (First, Second and Second ‘B’ division) during the four weeks before and after dismissal the coach. Training and match load data were analyzed separately (n=1189 events) by coach (dismissed coa...

En los estudios relativos al éxito pedagógico o a la eficacia de la enseñanza de los deportes, en todas las etapas de desarrollo del niño (educación primaria, secundaria, bachillerato y universitaria) han adquirido gran importancia las destrezas docentes en la práctica que aplican los profesores de estas disciplinas deportivas. Se ha comprobado que...

The main aim of this study was to compare the high-speed training session (TRs) and competitive match (OMs) demands induced on professional soccer players across an in-season microcycle. Maximum velocity (MV) and the number of actions and distance performed at high (N-HV > 14.4 km·h-1), very high velocity (N-VHV > 19.8 km·h-1) and sprint (N-SP > 25...

The aim of the present study was to examine the effect´s relevance of scoring first in knockout promotion to the Spanish Liga Smartbank and succeeding´s probability in the knockout round according to contextual parameters. The sample consisted in all knockout rounds not ending scoreless (n = 199) played in the knockout promotion to Spanish Liga Sma...

The aims of this study were to analyse the physical responses of professional soccer players during training considering the contextual factors of match location, season period, and qual- ity of the opposition; and to establish prediction models of physical responses during training sessions. Training data was obtained from 30 professional soccer p...

The objective of this study was to analyze the effect of certain psychological variables (self-esteem, anxiety, self-confidence, and motivation) on the physical performance of soccer referees in two environments, training (TE) and competition (CE). To this end, forty-two participants (age M = 27.0; SD = 3.9; years of experience M = 10.9; SD = 5.4)...

Ageing and diabetes are recognised as important risk factors for the development of cognitive deterioration. The aim was to analyse the effects of a walking-based training programme on cognitive deterioration and glycosylated haemoglobin (HbA1c) in older women with type 2 diabetes. This was a six-month experimental and longitudinal study with an ex...

Flow State (FS) as well as other psychological characteristics influence sports performance (SP) and could be relevant according to the playing position in team sports, such as the soccer where players have different specific functions within the team. The aim of this study was to evaluate the difference in FS dimensions in young soccer players bet...

Background: Motivation in athletes is a state that fluctuates due to multiple factors that can, in turn, negatively or positively influence sports performance. Objectives: The aim of this study was twofold, being, on the one hand, to analyze the motivation of soccer players of developmental age in two different contexts (training time (baseline)...

Background: Performing physical activity can provide a variety of benefits; for example, it can improve one’s physical condition, decrease one’s fat mass, and increase one’s muscle mass. The objective of the present study was to evaluate the relationships between the cardiorespiratory resistance and physical characteristics of people over 60 years...

Physical activity (PA) can bring incalculable benefits to people throughout the aging process. The objective of this study was to determine the relationships between the leg and arm strength, body composition and balance of elderly people. Twenty-one people (9 men and 12 women) over 60 years of age voluntarily participated in this study. Bioimpedan...

Background: Decision-making in soccer has repercussions and depends on the environment of training or competition. The demands on the players can reveal if the decision-making is similar or different from that required during competition. Objectives: The aim of this study was to assess the physical and physiological responses of players in training...

Stress control as well as other psychological characteristics influence sports performance (SP) and could be relevant according to the playing position in team sports, such as the fut-sal where players have different specific functions within the team. The aim of this study was to analyze the psychological characteristics and profile related to SP...

Introducción: el sobrepeso y la obesidad alcanzan una alta prevalencia desde la infancia en España. Objetivo: describir el efecto del sobrepeso y la obesidad en niños escolares de once años de edad, en pruebas que valoran la fuerza, tanto de las extremidades inferiores como de las superiores, así como la velocidad. Método: participaron en el estudi...

Introduction: overweight and obesity reach a high prevalence since childhood in Spain. Objective: to describe the effect of overweight and obesity, in schoolchildren of eleven years of age, in tests that assess the strength of both the lower and upper extremities, as well as speed. Method: four hundred and twenty-three schoolchildren of eleven...

Canoeing is one of the sport disciplines that brings great success to Spain in international competitions and Olympic Games (of the 17 medals won in Rio in 2016, four were in this sport, including three gold). However, the journey to become an elite athlete coincides in time with the challenge of pursuing an academic education, which often involves...

El objetivo del presente estudio fue comprobar la relación existente entre las dimensiones de la motivación y el estado de flow (EF) en jóvenes futbolistas en edad de desarrollo, en dos contextos diferenciados (contexto de entrenamiento [basal] y el contexto precompetitivo). Se seleccionaron 141 jugadores de fútbol sub-16 (edad: 14.7 ± .5; altura:...

El objetivo de este estudio es conocer cuáles son las estrategias cognitivas utilizadas por estudiantes bailarines pre-profesionales de Conservatorios Profesionales de Danza cuando tienen que solucionar problemas de índole psicológica antes, durante y al finalizar una actuación escénica o/y en una clase/ensayo. Se contó con una muestra de 125 baila...

The aim of this study was to analyze the level of satisfaction in three municipal sports centers in the city of Malaga and to learn and analyze the characteristics of users older than 40 years of age in these centers. A total of 303 persons (123 men and 180 women) from three sports centers in the city of Malaga participated in this study (M = 58.14...

Introduction: Introduction: adolescence is characterized by being a decisive phase that consolidates both the personality development (attending to various psychosocial factors that influence), and the achievement of habits that will be established in adulthood. Objectives: to relate the adherence to the Mediterranean diet (MD) in adolescents with...

The period of adolescence stands out as a critical and decisive phase, first because it leaves its mark on personality development, which is affected by psychosocial factors, and second because the healthy lifestyle habits acquired during this stage form a foundation for adulthood. The objective of the present study was first to evaluate the levels...

El scouting deportivo, match analysis, o análisis del juego en deportes de interacción ha cobrado especial interés desde la última década. La preocupación y la importancia en el fútbol por la victoria hacen que se sume la forma de juego y las fortalezas que posee el equipo que te vas a enfrentar. Para ello, esta nueva metodología de análisis, evalu...

El objetivo del presente estudio ha sido analizar el clima de aula (CA) y la motivación intrínseca (MI) durante clases de Educación Física utilizando estilos de enseñanza diferentes. En un grupo se utilizó el estilo de enseñanza de asignación de tareas (AT) y en otro grupo, enseñanza recíproca (ER). Para poder analizar las variables de CA y MI, al...

Self-concept influences identity and the way that people behave, and it fluctuates over time. The main purpose of this study was to analyze fluctuations in the dimensions of self-concept as a function of gender, educational level, grade, age, physical activity, and weight. In total, 712 Spanish adolescents who were in the 5th and 8th grades (354 bo...

Minimal data set_PLosOne.sav. (SAV)

Martín-López, Á, Mendes, RS, and Castillo-Rodríguez, A. Internal and external loads in training week before the competition in U19 high-level soccer players. J Strength Cond Res XX(X): 000-000, 2018-Nowadays, the information about the load in training sessions (TRs) and the relationship of these TRs with official competition are necessary to gain t...

RESUMEN La competición en fútbol supone al deportista enfrentarse a situaciones de máxima activación que, en repetidas ocasiones, puede provocar cambios en sus características psicológicas y, por ende, influir en su rendimiento deportivo. El objetivo de este estudio fue conocer las características psicológicas de rendimiento deportivo en estados ba...

During the competition, soccer players must make both physical and mental efforts simultaneously. €is dual-task situation impairs performance in skills that require precision only in those athletes who do not have automated those skills. However, there has been little control over the nature and magnitude of the mental load that athletes experience...

e impulsivity determines the role performed by futsal players Abstract Futsal is a sport known and practiced by millions of people around the world. However, there are few scientiic studies about distinct facets of personality associated with impulsive behavior, which can help coaches to optimize their sport performance. e aim of this study was to...

Mental workload impairs the pass precision in soccer players Abstract During the competition, soccer players must make both physical and mental eeorts simultaneously. is dual-task situation impairs performance in skills that require precision only in those athletes who do not have automated those skills. However, there has been little control over...

Weight and body mass are correlated with greater muscle strength and this muscle strength is associated positively to the protein intake daily. However, adolescents, who have taken several years a lifestyle through unbalanced diets, are overweight. It results in not beneficial aspects for the future health in adulthood. Consequently, the first aim...

Heart rate recovery (HRR) is the reduction of heart rate immediately after any kind of exercise. HRR has been considered a valid indicator of both physical fitness level and cardiovascular health and it was inversely associated with obesity traits and related cardio-metabolic risk factors mainly in healthy children and teenagers. A recent study dem...

The ageing affects to living organisms and produces a continuous degenerative change in most physiological functions of people, specifically in body composition. Body composition changes are considered as direct cause of chronic diseases in elderly people1. The aim of the present study is to compare the differences of body composition characteristi...

Aging affects living organisms and produces a continuous degenerative change in most physiological functions, specifically in body composition. The aim of the present study is to compare the differences of body composition and physiologic characteristics according to physical activity levels and population of different geographical locations betwee...

The competition in soccer supposes the athlete to face situations of maximum activation that, in a number of occasions, can cause changes in their psychological sports characteristics and, consequently, influence their sporting performance. The aim of this study was to know the psychological characteristics of sports performance in baseline and pre...

Soccer players undergo an evolution in their body composition throughout the growth and passage through the different base stages, that is, childhood, puberty and adolescence. The aim of this study was to analyze the morphology and body composition of U14, U16, and U19 soccer players, taking into account in addition, their sport success endorsed th...

Futsal is a sport known and practiced by millions of people around the world. However, there are few scientific studies about distinct facets of personality associated with impulsive behavior, which can help coaches to optimize their sport performance. The aim of this study was to analyze the variables related to impulsivity in elite futsal players...

During the competition, soccer players must make both physical and mental efforts simultaneously. This dual-task situation impairs performance in skills that require precision only in those athletes who do not have automated those skills. However, there has been little control over the nature and magnitude of the mental load that athletes experienc...

Ageing is a natural and inevitable process with degenerative changes in most of the physical, physiological, psychological and social functions. Furthermore, the ageing process has an impact on the body composition and physical fitness of elderly people. Changes in body composition are considered one of the major causes of chronic diseases of agein...

In the world,more than 50% of 60-year-olds are obese. Obesity is a disease with serious cardiovascular risks. Obesity grows with the increasing age of a person. In addition,sedentary lifestyle causes muscle mass to decrease faster. Strength,aerobic capacity and flexibility are related to the muscle mass. Obesity and physical inactivity cause a decr...

The aim of this study was to compare the physical fitness and quality of life related to the health of a sample population of older adult women from Spain and Serbia (60-69 years). A total of 127 female participants of physical fitness programs from Spain (64.33 ± 3.26) and Serbia (63.00 ± 2.88) have participated. Physical fitness (PF), quality of...

Sports Management, Leadership in the Organization. Imbroda-Ortiz, Javier; Castillo-Rodríguez, Alfonso; Chinchilla-Minguet, José Luis Abstract In the last few years, we have experienced a global economic crisis, but also a crisis in the social world and in the sports world. During the past decade, sports management directed an institution focused o...

Background In Spain, more than 50% of 60-year-olds are obese. Obesity is a disease with serious cardiovascular risks. The mortality rate for cardiovascular disease in Spain is 31.1%. Objectives To improve aerobic fitness, strength, flexibility and balance, and body composition (BC) in persons over 60 years old. Materials and methods A clinical in...

Paddle-tennis is a racket sport practised by 4.5 million people around the world and it is increasing each year. The aim of this study was to analyse physical responses, i.e., partial and total distances covered, and physiological responses, i.e., mean heart rate (HR), rating of perceived exertion (RPE) and lactate, during competition. Sixty sets w...

Background: The purpose of this study was to examine the differences in anthropometric measurements using an aerobic and Pilates exercise program which lasted 24 weeks. Method: This was a clinical intervention study of 303 women over the age of 60 living in Novi Sad, Serbia. Changes in body mass index and skinfold thickness were estimated through h...

Athletic performance is associated to an optimal morphology of the athlete. Paddle-tennis is a sport with a large number of followers needing more information about the players who practice it. The aim of this study was to describe the anthropometric somatotype of 48 high-level paddle-tennis players. ANOVA was applied to find differences between ca...