Rápidas bajadas de peso corporal en deportes de combate. Efecto sobre las capacidades físicas
; Raimundi, María Julia 
Otros responsables
Fecha
06/2023
Editorial
International Society for the Advancement of Kinanthropometry
Revista
International Journal of Kinanthropometry
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eISSN
2790-9816
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Español
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Introducción: el judo es un deporte de combate cuya clasificación competitiva depende del peso corporal. El 90% de los judocas, en el afán de obtener ventajas relativas con relación al tamaño y fuerza muscular, realizan abordajes agresivos de descenso de peso 48 hs previas a una competencia. Estos procedimientos se denominan genéricamente descenso rápido de peso o rapid weight loss (RWL). Existen controversias respecto de las consecuencias para la salud de estos procedimientos. Evaluar el efecto de las RWL sobre las capacidades físicas de los judocas de selección nacional. Métodos: Estudio descriptivo de simulación de reducción de peso precompetitivo a 14 atletas de selección argentina de judo. Se realizaron pruebas físicas específicas validadas para el deporte, en condiciones normales vs en condiciones de restricción calórica / hídricas voluntarias, a judocas que evidenciaron una bajada de peso corporal >= 1,5 kg en 48 hs. Resultados: Los métodos de RWL más usados son la restricción calórica/ hídrica agresiva y la deshidratación activa. Su principal consecuencia fue el aumento de la frecuencia cardíaca y la mayor dificultad para restituir los valores basales. Se hallaron valores marginales para la medición de fuerza resistencia de miembros superiores. Conclusión: Los procedimientos de RWL implican más stress cardiovascular, alteran la fuerza resistencia de miembros superiores y son generadoras de mayor posibilidad de desarrollo de trastornos de la conducta alimentaria. Los profesionales de salud deben participar activamente en el desarrollo de estrategias más seguras y efectivas. Se sugieren cambios en las directrices para el pesaje clasificatorio.
Introduction: Judo is a combat sport whose competitive classification depends on body weight. Nearly 48 hours before an important competition, 90 % of judokas perform aggressive weight loss strategies looking for relative advantages concerning muscle size and strength. These procedures are generically called rapid weight loss (RWL). There are currently controversies regarding health consequences related to these procedures. Methods: Consisted in a descriptive simulation study of pre-competitive weight adjustment to 14 athletes of the Argentine national judo team. Specific physical tests validated for sport were performed under normal conditions vs conditions of caloric/water volunteer restriction in which a reduction of body weight > = 1,5 kg in 48 hours has been evidenced. Results: The RWL methods most used by those athletes are aggressive calorie/water restriction and active dehydration. The main consequences of these procedures were the increase in heart rate and the greater difficulty in restoring baseline values. Marginal values were found for the measurement of resistance strength of upper limbs. Conclusions: RWL procedures involve more cardiovascular stress, alter the resistance strength of upper limbs, and are generators of a greater possibility of developing eating disorders. Health professionals should be actively involved in the development of safer and more effective strategies. We suggest changes to the guidelines for qualifying weight in.
Introduction: Judo is a combat sport whose competitive classification depends on body weight. Nearly 48 hours before an important competition, 90 % of judokas perform aggressive weight loss strategies looking for relative advantages concerning muscle size and strength. These procedures are generically called rapid weight loss (RWL). There are currently controversies regarding health consequences related to these procedures. Methods: Consisted in a descriptive simulation study of pre-competitive weight adjustment to 14 athletes of the Argentine national judo team. Specific physical tests validated for sport were performed under normal conditions vs conditions of caloric/water volunteer restriction in which a reduction of body weight > = 1,5 kg in 48 hours has been evidenced. Results: The RWL methods most used by those athletes are aggressive calorie/water restriction and active dehydration. The main consequences of these procedures were the increase in heart rate and the greater difficulty in restoring baseline values. Marginal values were found for the measurement of resistance strength of upper limbs. Conclusions: RWL procedures involve more cardiovascular stress, alter the resistance strength of upper limbs, and are generators of a greater possibility of developing eating disorders. Health professionals should be actively involved in the development of safer and more effective strategies. We suggest changes to the guidelines for qualifying weight in.
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