José M Muyor

José M Muyor
Universidad de Almería | UAL · Department of Education

MS, PhD in Physical Activity and Sport Sciences;

About

168
Publications
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Publications

Publications (168)
Article
Full-text available
The aim of this study was to analyze the association between teams’ success at the end of the season and match running, and technical-tactical performance in two professional soccer leagues. Match running, and technical-tactical performance data were collected during two consecutive seasons. A Factor Analysis was conducted to reduce the number of p...
Preprint
Full-text available
Background: seated behaviour and a lack of physical activity among university students may cause changes to posture leading to health problems. We were interested whether between-gender differences in spinal curvature exist among university students with a predominantly sedentary lifestyle. Methods: a group of 20 female (age 20 ± 0.73 years) and 39...
Article
Full-text available
This study aimed to analyse physical performance relative to peak locomotor demands of match play. Data were collected during 13 professional soccer matches. Initially, the 1-minute peak values were registered in each match, including the percentage of the total distance (TD), high-speed running distance (HSRD), sprinting distance (SPD), and high-m...
Article
Cycling is a sport where cyclists predominantly adopt a sitting posture, with the trunk tilted forward. This posture requires a high volume of training and duration in several intensities of effort. This study aims to: 1) evaluate the behaviour of the thoracic and lumbar spine flexion and sacral inclination in the sagittal plane, the thoracic and l...
Article
Objectives: To 1) examine the periods in which maximal intensity sprints occurred during professional soccer matches and 2) analyze the maximal intensity sprints registered in match play considering the effect of playing position and other contextual variables. Methods: A total of 1252 match observations were collected from 277 male professional...
Article
Hamstring extensibility is a crucial component of athletic performance and spinal health. In this regard, hip range of motion analysis through standardized clinical tests has been used as a valid and reliable method for measuring hamstring extensibility. Consequently, new inertial devices have been designed for this purpose. The aims of this study...
Article
Full-text available
Background The aims of this study were to (1) determine the match technical and running performance required by different teams based on their final ranking position in a professional soccer league; and (2) analyze the correlation between teams’ success at the end of the season and variables related to match technical and running performance. Meth...
Article
The aim was to know if cycling affects spinal morphology in postures off the bicycle, such as adapting the spinal curvatures on the bicycle depending on the handlebar type and position on the handlebars. A systematic review was conducted following the PRISMA guidelines. The studies selected met the following criteria: a) the study design was cross-...
Article
Full-text available
The aims of this study were (1) to determine the match running performance required by different teams based on their final ranking position and (2) to analyze the association between match running performance variables and team success at the end of the season. A total of 1,224 match observations from professional soccer teams competing during two...
Article
Full-text available
The aim of this study was to systematically review the literature investigating the physical demands of sexual intercourse and to synthesize the evidence related to this research topic. Original studies published on PubMed, Scopus, and Web of Science up until April 2020 were examined. The Effective Public Health Practice Project scale was used to a...
Article
The objectives of this study were threefold: (i) to analyze the load-velocity relationships between mean propulsive velocity (MPV), mean velocity (MV), peak velocity (PV), and relative load during the inclined leg press exercise; (ii) to analyze the differences in the load-velocity relationships between males and females; and (iii) to determine gen...
Article
Background The aims of this study were to (1) analyze the distribution of the player load (PL TOTAL ) in 3 axes of movement (PL AP , anterior-posterior; PL ML , medial-lateral; PL V , vertical) during elite soccer matches, (2) investigate the effect of playing position on PL-related variables, and (3) explore the association between PL TOTAL and di...
Article
The world’s football-governing body, FIFA, developed the FIFA Quality Programme to set internationally recognized industry standards for electronic performance and tracking systems (EPTS). The positioning and velocity data from different EPTS, discretized into velocity bands, were validated against criteria measures. Discussions have been ongoing b...
Article
Full-text available
Background: Although low back fatigue is an important intervening factor for physical functioning among sedentary people, little is known about its possible significance in relation to the spinal posture and compensatory postural responses to unpredictable stimuli. This study investigates the effect of lumbar muscle fatigue on spinal curvature and...
Article
The aims of this study were to identify the key external and internal load variables in professional futsal through principal components analysis (PCA), and analyse the physical performance required by the players in official matches. Data were collected from 14 female players during 10 matches using WIMU PROTM. The PCA selected a total of 22 varia...
Article
The aims of this study were to 1) determine the key load indicators in professional soccer through principal component analysis (PCA); and 2) analyse the load variability of each training and match day within the microcycle considering the principal components. Data from 111 load variables were collected using tracking systems in both training and...
Article
The aims of this technical report were to analyze the validity of real-time data collected by electronic performance and tracking systems (EPTS) and investigate the effect of varying real-time receiver's position on the real-time data collected. Physical performance data were collected from professional soccer players using EPTS. In addition, 3 rea...
Article
This study analysed the periods in which the most demanding passages (MDP) of play occurred during professional soccer matches, considering different criterion variables and investigating the effect that the playing position had on the MDP-of-play occurrence for each criterion variable. The MDP of play were calculated based on five criterion variab...
Article
The aims of this research were to analyse the effect that different playing positions, passage durations and starting status had on the most demanding passages (MDP) of play in professional football matches. Players were categorized by positions and the MDP of distance (DIS), high-speed running distance (HSRD) and sprinting distance (SPD) were anal...
Article
Background: The leg press is one of the most typical exercises for strengthening the lower limbs. The objectives of this study were to compare 5 inclined leg press exercise conditions, varying the feet width stance (100% or 150% hip width), the feet rotation (0° or 45° external rotation) on the footplate and using 2 different movement velocities (...
Article
The aims of this study were to examine the periods in which the maximum speed actions occurred during elite soccer matches and analyse these actions considering the effect of playing position and different contextual variables. Performance-related variables (VMAX: maximum speed; Vo: starting speed; SPD: sprinting distance; ACCMAX: maximum accelerat...
Article
Full-text available
The purpose of this study was to analyse the impact of match-related contextual variables (match location, match outcome and level of the opponent) on the weekly training load in a professional soccer team throughout a full competitive season. Total distance, high-speed running distance (HSRD, > 18 km·h-1), highmetabolic load distance (HMLD, > 25.5...
Article
The bench press exercise on a Smith machine, frequently used in training programs, can be analyzed as a redundantly actuated biomechanical system. In this exercise, a simplified model having one degree of freedom, actuated at the shoulder and the elbow, provides a meaningful representation of its dynamics. Due to the actuation redundancy, many diff...
Article
Full-text available
Knee joint muscle activation imbalances, especially weakness in the vastus medialis oblique, are related to patellofemoral pain within the female population. The available literature presents the leg press as an exercise which potentially targets vastus medialis oblique activation, thus reducing imbalances in the quadriceps muscles. The main aim of...
Article
The aims of this study were to establish sources of variability in match physical performance of professional soccer players and provide a method for monitoring individual between-match changes. Eleven players meeting the final inclusion criteria were monitored through an entire in-season competition phase (n = 240 individual match observations). T...
Article
Full-text available
ABSTRACT: The aims of this study were to describe the worst-case scenarios (WCS) in professional soccer players calculated by fixed length and rolling average methods with regards to each playing position. This was done, firstly, by comparing total distance (TD covered in the WCS; secondly, by comparing high-speed running distance (HSRD); and third...
Article
Full-text available
The development of wearable sensors has allowed the analysis of trunk kinematics in match play, which is necessary for a better understanding of the postural demands of the players. The aims of this study were to analyze the postural demands of professional soccer players by playing position. A longitudinal study for 13 consecutive microcycles, whi...
Article
Full-text available
The rapid growth of wearable sensors has allowed the analysis of trunk kinematics during the match, which is necessary for having a better understanding of the postural demands of soccer players. However, some contextual variables may have an impact on the physical demands of the players. This study aimed to analyze the effect of three contextual v...
Article
Full-text available
The bench press exercise is one of the most used for training and for evaluating upper-body strength. The aim of the current study was to evaluate the electromyographic (EMG) activity levels of the pectoralis major (PM) in its three portions (upper portion, PMUP, middle portion, PMMP, and lower portion, PMLP), the anterior deltoid (AD), and the tri...
Article
Full-text available
The study aims were to describe positional differences in the acceleration and sprint profiles of professional football players in match-play, and analyse start speeds required based on the intensity of accelerations and decelerations. This longitudinal study was conducted over thirteen competitive microcycles in a professional football team from L...
Article
Full-text available
The study aimed to compare the physical demands required during the first, second, and third most demanding passages (MDP) of play considering the effect of playing position, type of passage, and passage duration. A longitudinal study for three mesocycles was conducted in a professional soccer team competing in LaLiga123. Tracking systems collected...
Article
Full-text available
The aim of this study was to analyze the literature on muscle activation measured by surface electromyography (sEMG) of the muscles recruited when performing the leg press exercise and its variants. The Preferred Reporting Items of Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed to report this review. The search was carried o...
Article
Full-text available
The aim of this study was to systematically review the current literature on the electromyographic (EMG) activity of six core muscles (the rectus abdominis, the internal and external oblique, the transversus abdominis, the lumbar multifidus, and the erector spinae) during core physical fitness exercises in healthy adults. A systematic review of the...
Chapter
Physical activity on children has been decreased on the recent years, promoted by the emergent sedentary lifestyle. Thus, obesity and health related issues are increasing amongst children population. Autonomous motivational climate and non-structured outdoor activities have been proved as appropriate strategies to promote physical activity amongst...
Chapter
El objetivo de este estudio fue analizar la precisión de un dispositivo GPS para calcular la distancia de carrera al aire libre. Un deportista participó voluntariamente en un estudio de cohortes durante diez semanas. Se realizaron tres pruebas cada semana. Cada prueba se realizó después de dos días de descanso y consistió en ejecutar un recorrido t...
Article
Full-text available
To understand the physical demands of sexual intercourse, it is necessary to monitor the kinematic parameters of this activity using relatively non-invasive technology. The aims of this study are to analyze the validity and reliability of an inertial device for monitoring the range of motion at the pelvis during simulated intercourse and compare th...
Article
Full-text available
The Monopodal Squat, Forward Lunge and Lateral Step-Up exercises are commonly performed with one's own body weight for rehabilitation purposes. However, muscle activity evaluated using surface electromyography has never been analyzed among these three exercises. Therefore, the objectives of the present study were to evaluate the amplitude of the EM...
Article
Full-text available
The main purpose of this review was to systematically analyze the literature concerning studies which have investigated muscle activation when performing the Deadlift exercise and its variants. This study was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis Statement (PRISMA). Original studies from incep...
Article
Full-text available
A decrease in ankle dorsiflexion causes changes in biomechanics, and different instruments have been used for ankle dorsiflexion testing under static conditions. Consequently, the industry of inertial sensors has developed easy-to-use devices, which measure dynamic ankle dorsiflexion and provide additional parameters such as velocity, acceleration,...
Chapter
The aim of this study was to describe the performance in a live heart rate monitoring physical education class using WIMU Fit.
Chapter
To date, this App has been used mainly within sport environments. There is a lack of literature attending the use of this App in the context of teaching and learning processes in concern of basic motor skills and sports gesture pattern acquisition. Thereby, the main aim of this study was to propose a novel and alternative resource for youth motor s...
Article
In strength or resistance training, the patterns of movement of the load and the muscle activation can be adapted to the training objective according to the muscle conditioning machine selected. Traditionally, free-weight bench press is extensively used for athlete training. One of the main features of such kind of machine is the significant influe...
Cover Page
The main aim was to compare electromyographic activity (EMG) of 6 thigh muscles while performing the forward lunge exercise between men and women. Vastus lateralis and vastus medialis of quadriceps femoris showed significantly greater electrical activity (p < 0.05) than the rest of muscles tested for both gender groups. Muscle activity pattern appe...
Cover Page
The main aim was to compare electromyographic activity of 6 thigh muscles while performing the unilateral squat exercise between men and women. Results showed a similar muscle activation pattern for the unilateral squat exercise between gender groups. Vastus lateralis and vastus medialis of quadriceps muscles showed significantly greater muscle act...
Cover Page
The main aim was to compare electromyographic activity of 6 thigh muscles while performing the lateral step-up exercise between men and women. Vastus lateralis and vastus medialis of quadriceps femoris showed significantly the greatest muscle activity (p < 0.05) in comparison to the rest of evaluated muscles for both gender groups. Aversely, biceps...
Cover Page
El objetivo del presente estudio fue analizar la excitación neuromuscular de 6 músculos del muslo durante el ejercicio step-up lateral en mujeres jóvenes entrenadas. El ejercicio step up lateral puede ser una alternativa adecuada a incluir en un programa de entrenamiento orientado al fortalecimiento del tren inferior en mujeres jóvenes entrenadas,...
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El objetivo del presente estudio fue analizar la excitación neuromuscular de 6 músculos del muslo durante el ejercicio squat unilateral en mujeres jóvenes entrenadas. El ejercicio squat unilateral, debido a su elevada excitación neuromuscular, puede considerarse como una buena alternativa en la programación de ejercicios para el acondicionamiento m...
Article
Full-text available
The present study aimed to evaluate and compare the levels of electromyographic activation in the pectoralis major, anterior deltoid, triceps brachii, forearm, rectus abdominis, external oblique, and rectus femoris muscles during a horizontal bench press in two situations: 1) with the feet on the ground; and 2) with active hip flexion and 90° of kn...
Article
Introduction: There are certain anthropometric attributes common to most high-level paddlers and among the determinants for optimal performance consecution in senior categories. Objective: the present investigation aimed to determine the evolution of morphological characteristics of elite paddlers during adolescence and to compare them with the val...
Cover Page
El ejercicio de lunge frontal es comúnmente realizado como ejercicio de acondicionamiento muscular de los miembros inferiores al realizarse de manera dinámica y tener transferencia positiva hacia el gesto técnico de la marcha y/o la carrera. El objetivo del presente estudio fue evaluar el porcentaje de activación de los músculos: glúteo mayor y med...
Cover Page
La realización del ejercicio de press de banca (benchpress) es muy común en el entrenamiento deportivo para mejorar los niveles de fuerza de la musculatura de los miembros superiores. Una de las variantes de este ejercicio es su realización en una máquina sentado, la cual dispone de dos tipos de agarres (prono y pronosupino). El objetivo del presen...
Article
This study investigates the relationship of trunk rotational velocity with mobility and curvature of the spine in wheelchair table tennis players. Eleven para table tennis players and 13 able-bodied athletes performed 5 seated trunk rotations to each side with 1 kg barbell placed on the shoulders. Trunk rotational velocity and respective angular di...
Article
El objetivo del presente estudio fue analizar la adhesión a la dieta mediterránea y su relación con las variables antropométricas en piragüistas cadetes de élite. Para ello, 110 piragüistas varones de categoría cadete (media de edad: 15,51 ±0,66 años y IMC medio: 22,66 ± 2,03 kg·m-2) fueron valorados antropométricamente siguiendo las indicaciones d...
Article
Introduction We describe a new nerve conduction study technique with reference values for the three branches of the supraclavicular nerve (SCN) in young healthy subjects and application of it in two patients. Methods The recording electrode was placed at the posterior border of the sternocleidomastoid muscle, 6–7 cm from the sternoclavicular joint...
Article
Introduction: We describe a new nerve conduction study technique with reference values for the three branches of the supraclavicular nerve (SCN) in young healthy subjects and application of it in two patients. Methods: The recording electrode was placed on the posterior border of the sternocleidomastoid muscle, 6-7 cm from the sternoclavicular j...
Article
Traditionally, physical and anthropometrical profiles of the most successful kayak athletes have been identified in male kayakers. This study attempted to identify the differences in morphology and fitness level of two performance-based groups of young elite female paddlers. Eighty-six female kayakers, aged 13.62 ± 0.57 years (mean ± SD) were alloc...
Article
Full-text available
Este estudio tuvo como objetivo analizar la repercusión de un programa de actividad física en la salud calidad de vida en trabajadores de una cooperativa de frutas y hortalizas en Andalucía, España. Un total de 129 trabajadores, la mayoría de ellos mujeres (94.6%) de mediana edad (39,7 ± 10,5 años), participaron voluntariamente en el estudio. Se di...
Article
Objective: To evaluate the test-retest reliability and validity of the MOCAP system for measuring spinal sagittal thoracic and lumbar curvatures and sacral inclination in a standing posture. Methods: Twenty-five male adults were evaluated on lateral standing radiographs. The thoracic and lumbar curvatures were calculated by Harrison's posterior...
Article
This study had two main goals. The first was to determine the reliability of the Wimu® system (accelerometer) for mean velocity measurements during resistance exercises at 40% and 80% 1 repetition maximum (1RM). The second was to compare the results for the Wimu system to a linear encoder (gold standard) for mean velocity measurements when clipped...
Article
Objective: To evaluate the test-retest reliability and validity of the MOCAP system for measuring spinal sagittal thoracic and lumbar curvatures and sacral inclination in a standing posture. Methods: Twenty-five male adults were evaluated on lateral standing radiographs. The thoracic and lumbar curvatures were calculated by Harrison's posterior...
Article
The aims of the current study were 1) to evaluate the validity of the WIMU® system for measuring hamstring muscle extensibility in the passive straight leg raise (PSLR) test using an inclinometer for the criterion and 2) to determine the test-retest reliability of the WIMU® system to measure hamstring muscle extensibility during the PSLR test. 55 s...
Article
Full-text available
The aim of this study was to determine the anthropometric and physical characteristics of youth elite paddlers and to identify the differences between kayakers and canoeists. A total of 171 male paddlers (eighty-nine kayakers and eighty-two canoeists), aged 13.69 ± 0.57 years (mean ± SD) volunteered to participate in this study. The participants co...
Article
BACKGROUND: Systematic repetition postures adopted during trainings could generate alterations in the sagittal spinal curvatures. OBJECTIVE: The purposes were: 1) to analyse the sagittal spinal curvatures and pelvic tilt in Latin American style dancers; 2) to compare the spinal sagittal mobility and hamstring muscle extensibility between Latin Am...
Article
Full-text available
The aim of this study was to compare the thoracic and lumbar curvatures and pelvic tilt in relaxed standing and maximal trunk flexion among highlytrained young athletes from three different sports disciplines. Thirty-two male canoeists, 30 male kayakers and 24 male tennis players were recruited for the study. The Spinal Mouse® system was used to me...
Article
Full-text available
The purpose of the present study was to evaluate the influence of acute fatigue of the hip flexor muscles on scores attained in tests frequently used in literature to measure hamstring muscle extensibility, namely the passive straight leg raise (PSLR), active straight leg raise (ASLR), passive knee extension (PKE), active knee extension (AKE), sit-...
Article
This study aimed to identify the maturity-related differences and its influence on the physical fitness, morphological and performance characteristics of young elite paddlers. In total, 89 kayakers and 82 canoeists, aged 13.69 ± 0.57 years (mean ± s), were allocated in three groups depending on their age relative to the age at peak height velocity...
Article
This study investigates test-retest reliability and diagnostic accuracy of the load release balance test under four varied conditions. Young, early and late middle-aged physically active and sedentary subjects performed the test over 2 testing sessions spaced 1 week apart while standing on either (1) a stable or (2) an unstable surface with (3) eye...
Conference Paper
Antecedentes y objetivos Actualmente, existe un auge en la proliferación de centros especializados en entrenamiento con electroestimulación integral. Algunos estudios han mostrado que la realización de ejercicio físico, junto con electroestimulación, aumenta significativamente el gasto energético (Kemmler, Von Stengel, Schwarz, & Mayhew, 2012) y di...
Article
The aim of this quasi-experimental pilot study was to explore the effects of a reformer Pilates program on the anthropometry, body composition and somatotype of active adult women after a short non-exercise period. Twenty-eight women (mean age: 40.21 ± standard deviation of 8.12 years old) with one to three years of reformer Pilates experience part...
Article
The purposes of this study were as follows: 1) to analyse the influence of training in road cycling or cross-country mountain biking on sagittal spinal curvatures, pelvic tilt and trunk inclination in cyclists of both cycling modalities; 2) to evaluate the specific spinal posture and pelvic tilt adopted on the road bicycle and cross-country mountai...