Often hamstring injuries that seem to occur suddenly are set up by a gradual weakening of the tendon over time, caused by overstretching and insufficient rest.
通常，腘绳肌貌似意外的受伤，其根源都是长期的过度拉伸和休息不足导致的腘绳肌肌腱慢性劳损。
2
He says injuries that damage a "deep structure" like a bone, tendon or nerve should always be treated by a doctor.
他说，伤及骨头、肌腱、神经一类深层组织的伤口通常必须就医处理。
3
Stronger wrists and forearms can also help players avoid injuries and tendon problems such as tennis elbow .