摘要
We have carefully read Dr.Yu and his colleagues'~1review on the mechanism of hamstring muscle strain injury in sprinting.There is no doubt that they have done a lot work in this field.Their views are based on 3 pieces of evidence.First,observations from in situ animal models suggest that muscle strain injuries are highly associated with eccentric contractions.Second,the magnitude of muscle strain,rather than the force。
We have carefully read Dr. Yu and his colleagues＇ review on the mechanism of hamstring muscle strain injury in sprinting. There is no doubt that they have done a lot work in this field. Their views are based on 3 pieces of evidence. First, observa- tions from in situ animal models suggest that muscle strain injuries are highly associated with eccentric contractions. Second, the magnitude of muscle strain, rather than the force, is the primary risk factor for strain injuries. Third, studies on sprinting biomechanics suggest that the hamstrings undergo the greatest stretch and reach their maximum length during the late swing phase. Therefore, the late swing phase is considered the most hazardous for hamstring injuries to occur.
