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髌骨劳损是由于膝关节运动量长期过大所引起的一种慢性损伤。多发于篮球、铁饼、铅球、举重等项目的运动员。
Patellar strain is due to long-term excessive knee movement caused by a chronic injury. Occurred in basketball, discus, shot put, weightlifting and other items of athletes.