Isokinetic analysis of ankle and ground reaction forces in runners and triathletes
Clinics
;
67(9): 1023-1028, Sept. 2012. tab
Article
in English
| LILACS
| ID: lil-649380
ABSTRACT
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.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Running
/
Muscle Strength
/
Ankle
Limits:
Adult
/
Female
/
Humans
/
Male
Language:
English
Journal:
Clinics
Journal subject:
Medicine
Year:
2012
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Universidade de São Paulo/BR
/
University of Brasília/BR
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