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The effect of hamstring flexibility on peak hamstring muscle strain in sprinting
Xianglin Wan1, Feng Qu1, William E Garrett2
1Biomechanics Laboratory, Beijing Sport University, Beijing 100084, China.
Journal of Sport and Health Science
|October 26, 2018
Summary
Increased hamstring flexibility is linked to reduced peak hamstring muscle strains during sprinting. This finding helps understand risk factors for hamstring injuries, which commonly occur in the late swing phase.
Area of Science:
- Biomechanics
- Sports Medicine
- Injury Prevention
Background:
- Hamstring muscle strain injuries are common in sprinters.
- Understanding the relationship between hamstring flexibility and peak muscle strain is crucial for injury prevention.
Purpose of the Study:
- To investigate the correlation between hamstring flexibility and peak hamstring muscle strains during sprinting.
- To identify potential risk factors for hamstring injuries in athletes.
Main Methods:
- Collected data on hamstring flexibility, isokinetic strength, and 3D kinematics during isokinetic and sprinting tests.
- Determined optimal hamstring muscle lengths and peak muscle strains in 10 male and 10 female college students.
- Analyzed muscle strain data for the biceps long head, semitendinosus, and semimembranosus.
Main Results:
- Peak hamstring muscle strains occurred during the late swing phase of sprinting.
- Peak muscle strains were negatively correlated with hamstring flexibility (p=0.001).
- Biceps long head and semitendinosus experienced significantly greater peak strains than the semimembranosus.
Conclusions:
- Hamstring injuries can occur during the late swing phase of sprinting.
- Lower hamstring flexibility is associated with higher peak muscle strains.
- Differences in peak muscle strains among hamstring muscles may explain varying injury rates.
Keywords:
Hamstring flexibilityHamstring muscle strain injuryInjury risk factorMuscle biomechanicsMuscle strainMuscle strain injuryMore Related Videos
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