This paper analyzed the mechanism, prevention and rehabilitation of sprain and heel tendon laceration in ord er to provide theoretical basis for the competitive gymnastics teaching and training.

重点就这两个方面的受伤机制、预防和康复治疗进行分析，目的是为竞技体操教学、训练提供理论方面的借鉴。

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The 35-year-old's injury problems were sparked by a sprain of his knee and a strain of his Achilles tendon during the third round of the Masters in April.

CNN: Injury forces Woods out of U.S. Open