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Morris A, Lussier L, Bell G, et al. Hamstring/Quadriceps Strength Ratios in Collegiate Middle-Distance and Distance Runners. Phys Sportsmed. 1983;11(10):71-7doi: 10.1080/00913847.1983.11708658.
Morris, A., Lussier, L., Bell, G., & Dooley, J. (1983). Hamstring/Quadriceps Strength Ratios in Collegiate Middle-Distance and Distance Runners. The Physician and sportsmedicine, 11(10), 71-7. https://doi.org/10.1080/00913847.1983.11708658
Morris, A, et al. "Hamstring/Quadriceps Strength Ratios in Collegiate Middle-Distance and Distance Runners." The Physician and sportsmedicine vol. 11,10 (1983): 71-7. doi: https://doi.org/10.1080/00913847.1983.11708658
Morris A, Lussier L, Bell G, Dooley J. Hamstring/Quadriceps Strength Ratios in Collegiate Middle-Distance and Distance Runners. Phys Sportsmed. 1983 Oct;11(10):71-7. doi: 10.1080/00913847.1983.11708658. PMID: 27442470.
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Phys Sportsmed. 1983 Oct;11(10):71-7. doi: 10.1080/00913847.1983.11708658.

Hamstring/Quadriceps Strength Ratios in Collegiate Middle-Distance and Distance Runners.

The Physician and sportsmedicine

A Morris, L Lussier, G Bell, J Dooley

PMID: 27442470 DOI: 10.1080/00913847.1983.11708658

Abstract

In brief: It has been noted that the hamstring/quadriceps isometric strength ratio in men should be approximately 50% to 60%. We studied hamstring/quadriceps strength ratios in collegiate varsity middle-distance runners and found that they varied between.62 at slow speeds of muscle contraction and.87 at faster speeds. These results confirm previous reports that knee flexor/extensor ratios (peak torques) vary with angular joint velocity. Physicians, trainers, and therapists should consider velocities of muscle contraction when determining hamstring/quadriceps strength ratios.

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