张老师今年已60岁了,身体微微发胖,年初办理退休手续后,在公园跟着一群年轻人迷上了跳绳。张老师很快就掌握了跳绳的技巧,只是身体沉重、四肢僵硬、手脚不协调,跳不到几分钟就胸闷气急、头昏眼花、四肢酸胀无力。尤其是膝关节,几次跳绳后,膝关节总有肿胀疼痛感,上下楼梯有些使不上劲,髌骨周围老是痛。半个多月过去了,张老师仍感到身体不适,决定前去医院就诊。检查结果显示,其髌股关节、胫股关 Mr. Zhang is 60 years old this year, with a slight body. After he started his retirement procedures at the beginning of the year, he was hooked on a skipping rope with a group of young people in the park. Zhang quickly mastered the skills of skipping, but the body is heavy, stiff limbs, hands and feet are not coordinated, less than a few minutes to jump on chest tightness, dizziness, limbs soreness. Especially the knee, after several skipping, the knee has a total swelling pain, some up and down the stairs do not make any effort, always around the patella pain. More than half a month later, Zhang still feel unwell, decided to go to the hospital. Examination showed that the patellofemoral joint, tibiofemoral