La resistencia de los músculos flexores de los dedos de la mano en escaladores / Evaluation Of Hand’s Fingers Flexor Muscles Endurance In Climbers

V.M. Núñez, J.M. Ramírez, C. Lancho, M.S. Poblador, J.L. Lancho

Resumen


Objetivo: evaluar la resistencia de los músculos flexores de los dedos de la mano en escaladores de elite y recreativos. Métodos: estudio descriptivo transversal. Veinte y un escaladores fueron asignados a dos grupos de rendimiento: recreativo y élite. Realizaron un ejercicio isométrico y otro de esfuerzo intermitente en una tabla de entrenamiento multiagarre. Se midieron el tiempo de trabajo total, número de ciclos completados y frecuencia cardíaca media en cada test. Resultados: los escaladores de élite mantuvieron el esfuerzo en suspensión 7.65 minutos más que los recreativos (p < .001) y realizaron 23,14 ensayos más (p < .001). La fiabilidad de las mediciones fue excelente. Conclusiones: la fuerza de agarre de los músculos flexores de los dedos en esfuerzo continuo e intermitente contribuye al rendimiento en escalada, con diferencias significativas entre los escaladores de élite y recreativos. El test específico creado para el estudio ha demostrado una adecuada validez discriminante.

PALABRAS CLAVE: ejercicio isométrico, resistencia física, frecuencia cardíaca.

ABSTRACT

Purpose: To evaluate hand’s fingers flexor muscles grip endurance during a specific climbing test, and to find out if there were differences between elite and recreational sport climbers. Methods: For this cross-sectional descriptive study, twenty-one male sport climbers were assigned to two different groups, recreational or elite. The participants performed two exercises on a multi-hold training board, one requiring sustained isometric exercise and the other requiring intermittent exertion. The variables studied were total work time, number of trials completed and mean heart rate per test. Results: Elite climbers endured suspension for an average of 7.64 minutes being this period longer than recreational climbers (p < .001); thus, elite group performed 23.14 more trials than recreational group (p < .001). Reliability in all evaluations was excellent. Conclusions: Hand’s fingers flexor muscles grip endurance in continuous and intermittent exercises are the muscles that have more influence in sport climbing performance. In this regard, we have found significant differences between elite and recreational climbers.

KEYWORDS: isometric exercise, physical endurance, heart rate.


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Referencias


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DOI: http://dx.doi.org/10.15366/rimcafd2018.69.003

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