Javier Benítez-Porres

Javier Benítez-Porres
University of Malaga | UMA · Department of Human Physiology and Physical-Sports Education

About

73
Publications
27,509
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
353
Citations

Publications

Publications (73)
Article
Full-text available
Reviews focused on the ketogenic diet (KD) based on the increase in fat-free mass (FFM) have been carried out with pathological populations or, failing that, without population differentiation. The aim of this review and meta-analysis was to verify whether a ketogenic diet without programmed energy restriction generates increases in fat-free mass (...
Article
Full-text available
This study aimed to evaluate the effects of preceding anodal transcranial direct stimulation (a-tDCS) over the dorsolateral prefrontal cortex (DLPFC) during the back squat exercise on movement velocity and surface electromyographic (sEMG) activity. Thirteen healthy, well-trained, male firefighters (34.72 ± 3.33 years; 178 ± 7.61 cm; 76.85 ± 11.21 k...
Article
Full-text available
Vargas-Molina, Salvador1; Bonilla, Diego A.2; Petro, Jorge L.3; García-Romero, Jerónimo C.4; García-Sillero, Manuel1; Kreider, Richard B. FACSM5; Benítez-Porres, Javier4. Effects Of The Ketogenic Diet On Blood Biochemical Parameters In Resistance-trained Women: A Pilot Study: 2529. Medicine & Science in Sports & Exercise: September 2022 - Volume 54...
Article
Full-text available
Background: Creatine monohydrate (CrM) supplementation has been shown to be an effective and safe nutritional supplement to improve performance; however, the impact of CrM supplementation in young basketball players is less clear. This study evaluated the effects of CrM supplementation during a strength and conditioning training (SCT) program on l...
Article
Background and aims: Arterial stiffness is linked with the development of cardiovascular and noncardiovascular diseases. In clinical practice, measurement of carotid-femoral pulse wave velocity (cf-PWV) has become a widely used study for the assessment of cardiovascular risk in elderly population. Our aim was to evaluate whether maintaining a heal...
Article
Full-text available
Objective: To evaluate changes in body composition and strength after menstrual cycle-based or traditional undulating resistance training (RT) programs in women. Equipment and methods: Ten resistance-trained and eumenorrheic women (26.6 ± 3.0 years; 164.7 ± 6.5 cm; 62.3 ± 6.8 kg) were randomly assigned to a menstrual cycle-based periodized upper/lo...
Article
Full-text available
Background and aims: Obesity is linked to elevated levels of inflammatory serum markers such as C-reactive protein (CRP), interleukin-6 (IL-6), and tumor necrosis factor alpha (TNFa). Adiponectin and resistin are adipokines related to obesity. It has been described that adipose tissue presents a high production and secretion of these diverse pro-i...
Article
Full-text available
Introduction: Undulating training has been investigated in sedentary and trained adults, but less is known about the influence of undulating training in older adults. Purpose: This study aimed to evaluate body composition, strength levels, and physical fitness in response to traditional or undulating training in older adults. Methods: A contro...
Article
Full-text available
Cluster-set resistance training is focused on performance improvements of sports by increasing the repetition maximum, jump height, and efficiency in the sprint. In this commentary, we present relevant aspects to optimize the use of cluster training under the context of muscle hypertrophy. Therefore, we address intra-sets pauses, the number of repe...
Article
Full-text available
Our goal in this paper is to analyze the impact of the implementation of M-Learning methodology on the motivation and assimilation of academic contents. A total of 283 university students participated in our study. They were assessed on two different occasions. For the assessment, a 10-question multiple-answer test set up in the Socrative mobile ap...
Article
Full-text available
Our goal in this paper is to analyse the impact of the implementation of M-Learning methodology on the motivation and assimilation of academic contents. A total of 283 university students participated in our study. They were assessed on two different occasions. For the assessment, a 10-question multiple-answer test set up in the Socrative mobile ap...
Article
Full-text available
Purpose This study aimed to compare the post-activation performance enhancement (PAPE) induced by isometric and isotonic exercise on vertical jump performance. Methods 18 healthy trained men (25.8±2.7 years; 78.4±8.2 kg; 175.7±6.1 cm; 25.4±1.8 BMI; 126.72±10.8 kg squat 1-RM) volunteered for this study. They randomly performed two different PAPE pr...
Article
Full-text available
The SARS-CoV-2 pandemic led to lockdowns, which affected the elderly, a high-risk group. Lockdown may lead to weight gain due to increased food intake and reduced physical activity (PA). Our study aimed to analyze the impact of a 12-month lifestyle intervention on a metabolically healthy overweight/obese elderly (MHOe) population and how the lockdo...
Article
Full-text available
Anaerobic power and capacity are considered determinants of performance and are usually assessed in athletes as a part of their physical capacities’ evaluation along the season. For that purpose, many field tests have been created. The main objective of this study was to analyze the agreement between four field tests and a laboratory test. Nineteen...
Article
Full-text available
Purpose The aim of this study was to evaluate the effect of a ketogenic diet on blood pressure, visceral adipose tissue (VAT), bone mineral content (BMC), and bone mineral density (BMD) in trained women. Methods Twenty-one resistance-trained women performed an 8-week resistance training program after a 3-week familiarization phase. Participants we...
Conference Paper
Full-text available
PURPOSE: This study aimed to evaluate the effects of either high- and low-load resistance training (RT) and the application of a ketogenic diet on bone mineral density (BMD) and bone mineral content (BMC) in well-trained men during eight weeks. METHODS: Twenty-nine resistance-trained men voluntarily participated in this study (26.5 ± 4.7 years; 75....
Article
Full-text available
Abstract: The aim of this research was to verify whether the application of percussion therapy during inter-set rest periods increases the number of repetitions performed before reaching a 30% velocity loss threshold during a bench press exercise. Methods: Twenty-four male university students participated in this study (24.3 ± 1.3 years; 77.5 ± 8.3...
Article
Full-text available
Creatine monohydrate (CrM) supplementation has been shown to improve body composition and muscle strength when combined with resistance training (RT); however, no study has evaluated the combination of this nutritional strategy with cluster-set resistance training (CS-RT). The purpose of this pilot study was to evaluate the effects of CrM supplemen...
Poster
Full-text available
PURPOSE: This study aimed to evaluate the effects of either high- and low-load resistance training (RT) and the application of a ketogenic diet on bone mineral density (BMD) and bone mineral content (BMC) in well-trained men during eight weeks. METHODS: Twenty-nine resistance-trained men voluntarily participated in this study (26.5 ± 4.7 years; 75....
Poster
Full-text available
Relationship between different components of body composition and individual characteristics in athletes has been partially studied. Nowadays, body composition is widely used as a method of athlete selection, fitness monitoring and performance prediction along the season. PURPOSE: To correlate body composition levels and anerobic performance in Hig...
Chapter
Full-text available
Kahoot es una de las aplicaciones basadas en la gamificación más populares en el ámbito educativo y algunas investigaciones sugieren los efectos positivos que puede tener para el aprendizaje. Este trabajo presenta una revisión sistemática en las bases de datos Eric, Scopus y Web of Science sobre investigaciones que analizan la influencia de la util...
Article
Full-text available
The aim of this study was to compare the effects of various recovery techniques on muscle tissue after eccentric exercise-induced muscle fatigue (EIMF). Forty subjects (24.3 ± 2.6 years; 77.45 ± 8.3 kg; 177.0 ± 6.4 cm; 24.66 ± 1.6 kg∙m−2) were randomly assigned to one of the following groups: manual therapy (n =10, MT), mechanical vibration (n = 10...
Article
Introducción: la hemocromatosis hereditaria, al provocar hiperferritinemia, puede tener el potencial de aumentar la capacidad aeróbica y el rendimiento deportivo en atletas. Sin embargo, diversos estudios afirman que la sobrecarga de hierro podría afectar negativamente al rendimiento físico y la función muscular. Objetivo: recopilar y analizar evid...
Article
Full-text available
Background: Metabolically healthy obesity (MHO) is a considerably controversial concept as it is considered a transitory condition towards the development of different pathologies (type 2 diabetes, insulin resistance, or cardiovascular disease). MHO is closely related to lifestyle and environmental factors. Epigenetics has become an essential biol...
Conference Paper
Full-text available
Proceedings of the Sixteenth International Society of Sports Nutrition (ISSN) Conference and Expo. Journal of the International Society of Sports Nutrition 17, 23 (2020)
Conference Paper
Full-text available
Proceedings of the Sixteenth International Society of Sports Nutrition (ISSN) Conference and Expo. Journal of the International Society of Sports Nutrition 17, 23 (2020)
Article
Objectives: The aim of this study was to analyze effects of a 12-month lifestyle modification that involved a Mediterranean diet (MedDiet) and physical activity (PA) program in a population of metabolically healthy obese children (MHOCh). Methods: We included a population of MHOCh with ≤1 of the following criteria: waist circumference and blood...
Article
Full-text available
The objective of this research was to compare the effect of Post-Activation Performance Enhancement (PAPE) exerted on the back squat (BS) versus the barbell hip thrust (HT) on the sprint performance (5- and 10-m). 17 male amateur rugby players participated in the study (age 22.14 ± 2.52 years; body mass 81.06 ± 9.6 kg; height 1.78 ± 0.05 m). All p...
Article
Full-text available
bstract: BACKGROUND: Cluster Training (CL) is an alternative to traditional training where intra-set breaks are incorporated. Positive effects have been reported on sports performance. However, there is little research on body composition in trained subjects. OBJECTIVE: The aim of this study was to investigate the effects of three cluster training...
Article
Full-text available
Background: The effect of ketogenic diets (KD) on body composition in different populations has been investigated. More recently, some have recommended that athletes adhere to ketogenic diets in order to optimize changes in body composition during training. However, there is less evidence related to trained women. We aimed to evaluate the effect of...
Article
Full-text available
According to the Challenge Hypothesis, high levels of testosterone (T) are associated with status-seeking behaviors, especially in competitive situations. However, there have not been many studies about rivals’ social status and pre-competition neuroendocrine responses. The aim of this study was to analyze whether the participants in a chess tourna...
Article
Full-text available
Purpose The aim of this study was to compare the concentration of blood lactate [bLa-] and the subjective perception of exertion of trained men in a moderate repetition protocol (MRP) versus a high repetition protocol (HRP) equated for time under tension. Methods A sample of 40 healthy young men (aged, 23.2 ± 4.0 years; height, 177.3 ± 7.0 cm; BMI...
Conference Paper
Full-text available
PURPOSE: The aim of this study was to evaluate changes on body composition and strength after menstrual cycle-based or traditional undulating resistance training (RT) programs in women. METHODS: Ten resistance-trained and eumenorrheic women (26.6±3.0 years; 164.7±6.5 cm; 62.3±6.8 kg; 23.0±1.8 kgm-2) were randomly assigned to a menstrual cycle-base...
Conference Paper
Full-text available
resistance exercises is more similar to BJ and consequently to generate specific PAP response. The aim of this study was to evaluate whether an anterior-posterior (hip thrust [HT]) movement generated higher PAP levels BJ in comparison to an axial-component exercise (deadlift [DL]). With institutional ethics approval, 15 resistance-trained rugby pla...
Article
Full-text available
The aim of the present study was to examine the role of the classical physiological model of endurance running performance – maximal oxygen uptake (VO2max), %VO2max at ventilatory thresholds (VT), work economy, lactate levels, and body composition on the prediction of short trail running performance. Eleven male trail runners (age 36.1 ± 6.5 years,...
Chapter
Full-text available
Socrative is a manager of classroom participation in real time, which aims to encourage active participation and interaction between students and teachers. The objective was to analyze the satisfaction of 80 students of the Degree in Early Childhood Education and Sports Science when using Socrativeto evaluate contents in different modules. They wer...
Article
The purpose was to analyze the influence of oral contraceptive use on body composition and strength levels in trained women. Twenty-three resistance-trained women participated in this study (age=27.4±3.4 years; fat mass=28.0±5.0%; BMI=22.9±2.7 kg∙m-2). Subjects performed an 8-week non-linear resistance-training program. Participants were assigned t...
Conference Paper
Full-text available
Oral contraceptives consumption has been identified as a usual strategy for birth control among athletes. Nevertheless, its impact on body composition and sports performance remains unknown due to the heterogeneity in the formulation of these products and individual factors such as the menstrual cycle, age or sports discipline. PURPOSE: The aim of...
Article
Full-text available
Oral contraceptives consumption has been identified as a usual strategy for birth control among athletes. Nevertheless, its impact on body composition and sports performance remains unknown due to the heterogeneity in the formulation of these products and individual factors such as the menstrual cycle, age or sports discipline. PURPOSE: The aim of...
Article
Full-text available
Purpose The aim of this study was to compare the effects of resistance training (RT) with an emphasis on either muscular strength-type RT or muscular endurance-type RT on measures of body composition. Methods Twenty-five resistance-trained men (age 28.4 ± 6.4 years; body mass 75.9 ± 8.4 kg; height 176.9 ± 7.5 cm) were randomly assigned to either a...
Article
Full-text available
p>Estrechar las conexiones entre lo que aprenden los estudiantes en la universidad y la practica en escenarios profesionales reales es una aspiración secular de la educación superior. El aprendizaje servicio es una metodología orientada a favorecer el aprendizaje de los estudiantes mediante su participación activa en experiencias relacionadas con e...
Conference Paper
Full-text available
Current theory postulates that the manipulation of program variables is necessary to maximize resistance training-induced muscular adaptations (ACSM, 2009, Medicine and Science in Sports and Exercise, 41,687–708). The objective of this research was to compare two resistance training (RT) protocols (high loads (HL) vs low loads (LL)) on lean body ma...
Article
Full-text available
Background: Ketogenic diets (KD) have become a popular method of promoting weight loss. More recently, some have recommended that athletes adhere to ketogenic diets in order to optimize changes in body composition during training. This study evaluated the efficacy of an 8-week ketogenic diet (KD) during energy surplus and resistance training (RT)...
Article
Objective: In this work we want to analyze differences in nonlinear properties between rest and exercise and also to study the permanent effects of physical exercise on heart rate dynamics. Approach. It has been shown that physical exercise alters heart dynamics by increasing heart rate and decreasing variability, modifying spectral power and lin...
Article
Full-text available
Life in cities has allowed the development of our capabilities since they have the necessary elements to evolve through successive generations. Our survival and well-being depend on social interactions. However, the excessive comforts offered by cities can be counterproductive to our health. This paper aims to identify the cognitive effects derived...
Article
Full-text available
Nowadays, ketogenic diet (KD) is widely used in body aesthetics for changing body composition, even though there is a lack of research regarding to the possible benefits on muscle hypertrophy. PURPOSE: The purpose of this study was to evaluate the efficacy of an 8-week KD during energy surplus and a resistance training protocol on muscle hypertrop...
Article
Full-text available
Introduction: The Physical Activity Questionnaire for children and adolescents (PAQ-C & PAQ-A) has been widely used in research and fi eld settings. However, there is a lack of information about its fi nal score meaning. Objective: To determine PAQ-C and PAQ-A score cut-off values using physical activity (PA) thresholds objectively measured as refe...
Article
Full-text available
The aim of this longitudinal study was to explore temporal patterns of physical activity (PA) and adiposity in Spanish adolescents. Eighty healthy adolescents were followed over a 2-year period (42 girls and 38 boys). A PA score was estimated using the Physical Activity Questionnaire for Adolescents (PAQ-A). Adiposity was assessed by anthropometric...
Article
Background: Physical activity (PA) assessment by questionnaire is a cornerstone in the field of sport epidemiology studies. The Physical Activity Questionnaire for Children (PAQ-C) has been used widely to assess PA in healthy school populations. The aim of this study was to evaluate the reliability and validity of the PAQ-C questionnaire in Spanis...
Conference Paper
High intensity interval training (HIIT) has been suggested to promote superior metabolic and cardiovascular adaptations than classical moderate continuous training (MCT) in athletes or sedentary people. However, less is known about the effects of HIIT in metabolic thresholds like anaerobic (AT) or respiratory compensation point (RCP) in active wome...
Chapter
INTRODUCCIÓN: La práctica de ejercicio físico regular es una de las principales estrategias no farmacológicas para envejecer de forma más saludable y contrarrestar la pérdida degenerativa de masa muscular y fuerza causada por la sarcopenia. Este síndrome se ha asociado con la discapacidad y la morbilidad en la población anciana por lo que su preven...
Conference Paper
Introduction: Measurement of visceral adipose tissue (VAT) by DXA combined with anthropometry is a technique useful as good indicator of central adiposity in studies designed to assess changes in visceral adiposity1. Changes in central adiposity can occur in response to physical activity (PA)2. Long term PA engagement is important for maintaining o...
Conference Paper
Introducción: La influencia que tiene la actividad física (AF) programada sobre la composición corporal en adolescentes ha sido confirmada1, aunque a menudo no se ha considerado el papel del tipo de ejercicio realizado en estos resultados. Por otra parte, la asociación entre la actividad física y la presión arterial en reposo ha sido poco tratada2...
Conference Paper
Introducción: La medición del tejido adiposo visceral mediante absorciometría de rayos X de energía dual (DXA) combinado con técnicas antropométricas es un método útil y un buen indicador de la adiposidad visceral abdominal (AVA) en estudios diseñados para evaluar los cambios en la adiposidad central1. La actividad física (AF) tiene una incidencia...