Martínez de Quel Pérez, Óscar
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Martínez de Quel Pérez
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Óscar
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Ciencias de la Salud
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Publication Open Access Does physical fitness predict future karate success? A study in young female karatekas(Human Kinetics, 2020) Martínez de Quel Pérez, Óscar; Ara, Ignacio; Izquierdo Redín, Mikel; Ayán, Carlos; Ciencias de la Salud; Osasun ZientziakObjective: To assess the discriminative ability of several fitness dimensions and anthropometric attributes for forecasting competitive success in female karate athletes. Methods: Fitness and anthropometric data from 98 female junior karatekas obtained during the training camps of the Spanish National Karate Federation between 1999 and 2012 were used. Binary logistic-regression models were built to ascertain whether the set of fitness and anthropometric variables could predict future sporting-performance levels. For this purpose, participants were classified as elite (medalist in World or European Championships in the senior category) or subelite (at least a medalist in Spanish National Championships in cadet or junior but not included in the elite group), according to the results achieved up to 2019. Results: Participants who were subsequently classified as elite karatekas showed significant differences in agility, upper- and lower-body muscle power, and general fitness in comparison with those who were classified as subelite in the senior category. A total of 57 junior female karatekas who were subsequently classified as elite (7) or subelite (50) were included in the binary logistic-regression analysis. Resultant models showed significant capacity to predict karate performance. Conclusions: Assessing physical fitness in junior categories can be a useful resource to determine future karate success. Coaches in this sport should pay special attention to the levels of muscle power and agility shown by their athletes, as both fitness dimensions could be indicators of future sportive success.Publication Open Access The effect of active learning on cognitive performance and physical fitness in preschool children: the role of exercise intensity(Elsevier, 2025-08) Martín Martínez, Carlos; Zapico, Augusto G.; Valenzuela, Pedro L.; Mañas, Asier; Martínez de Quel Pérez, Óscar; Ciencias de la Salud; Osasun ZientziakObjectives: To analyze the effects of different PA intensities during active learning on cognitive performance and physical fitness in preschool children. Design: Cluster randomized controlled trial. Methods: Four classrooms (n = 99 children aged 3–6 years) were randomly allocated to two intervention groups that performed either light PA (LPA, n = 26) or moderate-to-vigorous PA (MVPA, n = 25) during foreign language (English) lessons, or to a control group (n = 48) that maintained their usual sedentary lessons. The intervention consisted of two 45-min lessons per week and was performed over a 10-week period. Children's PA levels and intensity during sessions were assessed through accelerometry. Primary outcomes included the retention of foreign language vocabulary (free- and cued-recall tests), cognitive performance (BENCI battery), and physical fitness (PREFIT battery). Results: Both LPA and particularly MVPA groups resulted in greater total PA levels and intensity compared with the control group (p < 0.001) and provided significantly larger benefits in the free-recall test and verbal memory (all p < 0.05 compared to the control group). Additionally, MVPA group provided larger benefits in the free- and cued-recall tests, speed agility and cardiorespiratory fitness (all p < 0.05 compared to LPA). Conclusions: Physically active learning appears as an effective strategy for enhancing foreign language vocabulary, cognitive performance, and physical fitness in preschool children. Increasing PA intensity seems to maximize these benefits.