Rubén Jiménez-Alfageme

• PhD in Health Sciences; Bachelor of Dietetics and Human Nutrition; Bachelor of Biology; Master in Sport Sciences
• PhD at University of Vitoria-Gasteiz Euneiz

Background Endurance athletes’ competitions have increased over the decades and marathon races are becoming increasingly popular. Proper nutrition is critical for optimal performance and long-term health in marathon athletes. This study aimed to investigate runners’ nutritional intake, especially fluids, food, and supplements, competing in the Sevi...

Background: In recent decades the number of endurance events has increased, as well as the number of athletes participating in them. Adequate nutritional and water planning is essential to maintain optimal sports performance and to reduce the incidence of gastrointestinal problems. The main objective of this study is to determine the dietary intake...

Background: The use of sports supplements (SS) to improve sports performance is very common in athletes. In the case of triathletes, the physiological characteristics of the sport may require the use of certain SS. Although the consumption of SS is widespread in this sport, very few studies have investigated it thus far. The aim is to analyze the...

Background: The use of sports supplements (SS) to improve sports performance is widespread in all types of athletes, however, the specific characteristics of mountain races may require the use of certain SS. Despite being a sport where the consumption of SS seems widespread, few studies have been conducted in this regard. The objective of this stu...

Background: Sports supplements (SS) are widely consumed by many types of athletes to improve their performance. These SS are classified according to their level of scientific evidence, by the ABCD system from the Australian Institute of Sport (AIS). In open water swimming, their use may be necessary due to the physiological challenges posed by thi...

Background Endurance athletes’ competitions have increased over the decades and marathon races are becoming increasingly popular. Proper nutrition is critical for optimal performance and long-term health in marathon athletes. This study aimed to investigate runners’ nutritional intake, especially fluids, food, and supplements, competing in the Sevi...

Background: In the last few years endurance sports have experienced a great increase in the number of competitions and participants. Dietary-nutritional planning is key for performing well during such competitions. To date, there is no questionnaire expressly developed to be able to analyze the consumption of liquids, foods, and supplements, as we...

El fútbol es uno de los deportes más practicados y mediáticos del mundo. El rendimiento de los futbolistas profesionales depende de múltiples factores como el de la composición corporal (CC). Las demandas físicas del fútbol actual han cambiado, donde el patrón ideal de CC debe adaptarse, midiéndose a través de técnicas como la antropometría, bioimp...

Introducción: El fútbol sala femenino es un deporte de esfuerzo intermitente. Las deportistas necesitan cumplir con las recomendaciones nutricionales para obtener un rendimiento adecuado. El objetivo del presente estudio es describir la ingesta dietética y la composición corporal de un equipo de élite universitario de fútbol sala. Metodología: Est...

Introduction: sports supplements (SS) are widely used by all types of athletes to improve their performance. These SS are classified according to the ABCD system of the Australian Institute of Sports (AIS) from higher to lower scientific evidence. In mountain runners, their use could be necessary due to the physiological demands required by this s...

Endurance athletes are defined as those who take part in competitive events and workouts that last more than 30 minutes. The high physical demand in this type of event, as well as the possibility that any small gain obtained may provide a real improvement in sports performance, encourages athletes to consider the use of various tools and/or strateg...

El fútbol es uno de los deportes más practicados y mediáticos del mundo. El rendimiento de los futbolistas profesionales depende de múltiples factores como el de la composición corporal (CC). Las demandas físicas del fútbol actual han cambiado, donde el patrón ideal de CC debe adaptarse, midiéndose a través de técnicas como la antropometría, bioimp...

Featured Application This research shows the results of the body composition of Spanish female futsal athletes, but until now, no such sample had been analysed in Spain. These findings could be a guide for coaches and physical trainers to focus on and individualise training objectives to achieve maximum performance, in addition to the fact that the...

The study of body dimensions and proportions through anthropometry is important for the identification of young talents in swimming. Anthropometric studies of swimmers in the Spanish population are scarce. The main objective of this study is the description of anthropometric profile in young swimmers, differentiated by sex and styles. 34 swimmers (...

Introducción: El uso de suplementos deportivos (SD) es muy común entre los atletas y durante los últimos años la prevalencia de su consumo ha ido aumentando. Sin embargo, no todos los SD proporcionan los beneficios que se busca cuando se decide consumir este tipo de sustancias. Es por ello que las entidades científicas han puesto su foco en la eval...

El fútbol es uno de los deportes más practicados en el mundo, siendo la categoría profesional masculina la más mediática. El rendimiento de dichos atletas depende de múltiples factores entre los que se encuentra la composición corporal. Actualmente, las demandas físicas del fútbol moderno han cambiado, por lo que el patrón ideal de composición corp...

Caffeine is a food supplement widely consumed by athletes, but it has not been established. So far, the veracity of their labeling in terms of the dosage and cause/effect relationship aimed at the consumer. The aim is to analyze the health claims and the dosage presented on the labeling of caffeine supplements and to evaluate if they follow the Eur...

Introduction: there has been an increase in the number of endurance sports events during the last 20 years, as well as in the number of their participants. An adequate nutritional plan is essential for a satisfactory performance in this type of events, both in professional and amateur athletes. Objectives: the objective was to determine, evaluat...