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Category

Injury prevention

Document Type

Paper

Abstract

The purpose of this study was to examine the potential for hamstring injury during overground sprinting by investigating hamstring muscle strain. Twenty males and 20 females with sprint training experience participated this study. Isokinetic strength data, three-dimensional kinematic data in a hamstring isokinetic test, and kinematic and ground reaction forces data in a sprinting test were collected for each participant. The muscle strains and muscle elongation velocity of hamstring, lower extremity joint torques and power were determined. Hamstring muscle strains reach peaks during the late swing phase (89.2% - 90.6% gait cycle). The peak muscle strains of biceps long head and semitendinosus were greater than that of semimembranosus (p = 0.002 and p = 0.029). The potential for hamstring muscle strain injury may occur during late swing phase of overground sprinting. Biceps long head and semitendinosus may be at higher risk for muscle strain injury compared to semimembranosus.

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