Isokinetic analysis of ankle and ground reaction forces in runners and triathletes
DOI:
https://doi.org/10.6061/clinics/2012(09)07Keywords:
Stress Fracture, Tibia, Run, TriathlonAbstract
OBJECTIVE: To analyze and compare the vertical component of ground reaction forces and isokinetic muscle parameters for plantar flexion and dorsiflexion of the ankle between long-distance runners, triathletes, and nonathletes. METHODS: Seventy-five males with a mean age of 30.26 (±6.5) years were divided into three groups: a triathlete group (n=26), a long-distance runner group (n = 23), and a non-athlete control group. The kinetic parameters were measured during running using a force platform, and the isokinetic parameters were measured using an isokinetic dynamometer. RESULTS: The non-athlete control group and the triathlete group exhibited smaller vertical forces, a greater ground contact time, and a greater application of force during maximum vertical acceleration than the long-distance runner group. The total work (180º/s) was greater in eccentric dorsiflexion and concentric plantar flexion for the non-athlete control group and the triathlete group than the long-distance runner group. The peak torque (60º/s) was greater in eccentric plantar flexion and concentric dorsiflexion for the control group than the athlete groups. CONCLUSIONS: The athlete groups exhibited less muscle strength and resistance than the control group, and the triathletes exhibited less impact and better endurance performance than the runners.Downloads
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Published
2012-09-01
Issue
Section
Clinical Sciences
How to Cite
Isokinetic analysis of ankle and ground reaction forces in runners and triathletes. (2012). Clinics, 67(9), 1023-1028. https://doi.org/10.6061/clinics/2012(09)07