oa South African Journal of Sports Medicine - An evaluation of hamstring / quadricep strength ratios in elite long distance runners and sprinters
|Article Title||An evaluation of hamstring / quadricep strength ratios in elite long distance runners and sprinters|
|© Publisher:||Health and Medical Publishing Group (HMPG)|
|Journal||South African Journal of Sports Medicine|
|Affiliations||1 *Department of Physiotherapy and Physiology, University ofWitwatersrand Medical School, Johannesburg. **Highlands North Medical Centre, Highlands North, Johannesburg|
|Publication Date||Jul 1998|
|Pages||16 - 20|
|Keyword(s)||Bilateral knee injuries, Flexor /extensor strength balance, Isokinetic strength testing, Muscle strength imbalance, Prophylactic measure, Stabilization of knee, Testing device and Torque stresses|
The purpose of this study was to investigate hamstring /quadricep strength ratios in long distance runners and sprinters. Hamstring /quadriceps strength ratios were obtained in twenty five elite long distance runners and twenty one sprinters at a testing speed of 60 degrees /sec on the Cybex II. Hamstrings were found to be 62% and 59% of quadriceps in sprinters and long distance runners respectively. Sprinters generated significantly greater knee flexor and extensor muscle torque than long distance runners for both legs even when strength was expressed relative to body weight.
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