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Título: Isokinetic analysis of ankle and ground reaction forces in runners and triathletes
Autor(es): Luna, Natália Mariana Silva
Castilho Alonso, Angelica
Brech, Guilherme Carlos
Mochizuki, Luis
Nakano, Eduardo Yoshio
Greve, Júlia Maria D'Andrea
Assunto: Fratura por stress
Sistema musculoesquelético
Tíbia - ferimentos e lesões
Triatlo
Corridas
Tornozelos - ferimentos e lesões
Data de publicação: Set-2012
Editora: Faculdade de Medicina da Universidade de São Paulo
Referência: LUNA, Natália Mariana Silva et al. Isokinetic analysis of ankle and ground reaction forces in runners and triathletes. Clinics, São Paulo, v. 67, n. 9, set. 2012. Disponível em: <http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1807-59322012000900007&lng=pt&nrm=iso&tlng=en>. Acesso em: 25 mar. 2013. http://dx.doi.org/10.6061/clinics/2012(09)07.
Resumo: 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.
Licença: Clinics - Todo o conteúdo deste periódico, exceto onde está identificado, está licenciado sob uma Licença Creative Commons (Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)). Fonte: http://www.scielo.br/scielo.php?script=sci_serial&pid=1807-5932&nrm=iso&rep=&lng=pt. Acesso em: 25 mar. 2013.
DOI: http://dx.doi.org/10.6061/clinics/2012(09)07
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