髌骨劳损是指髌骨软骨软化症和髌骨张腱末端病。此种损伤在篮、排球运动员和舞蹈演员中发病率最高,其次是跳跃、短跑、举重、投掷等项目的运动员。在非运动群体中,体重超标或者上体、大腿长度在身体形态中所占比例过大者,也容易患此病。 Patellar strain refers to the chondromalacia patellae and patellar tendon terminal disease. The injuries were the highest among basketball players, volleyball players and dancers, followed by those jumping, dashing, weightlifting and throwing. In non-sports groups, overweight or upper body, thigh length in the body shape is too large, who are also susceptible to the disease.