我科1986年以来收治因单杠训练摔伤膝部致半健肌滑脱2例，报告如下。1病例报告例1男，20岁。2年前在单杠训练时摔伤右膝部，伤后右膝内侧肿胀、疼痛，经制动、针灸、理疗，肿痛减轻，但活动时右膝出现弹响疼痛。1986年5月8日以右膝内侧半月板损伤住院。查体：右膝内侧股骨内联 Since 1986, our department has been treated as a result of horizontal bar knee injury caused by knee spondylolisthesis in 2 cases, the report is as follows. 1 case report 1 male, 20 years old. 2 years ago when training horizontal bar hurt his right knee, injured his right knee swelling, pain, after braking, acupuncture, physical therapy, swelling and pain relief, but the activities of the right knee snapping pain. May 8, 1986 to the right knee medial meniscus injury hospitalization. Physical examination: the right knee medial femoral joint