The involved ligament included 29 anterior cruciate ligament of knee(ACL), 6 posterior cruciate ligament of knee(PCL),4 combined ACL and PCL, 3 medial collateral or lateral collateral ligaments of knee point and 1 posterolateral complex injury of knee.

• 单纯前交叉韧带(anterior cruciate ligament,ACL)损伤29膝,单纯后交叉韧带(posterior cruciate ligament,PCL)损伤6膝,ACL和PCL联合损伤4膝。 合并内侧或外侧侧副韧带损伤3膝,合并后外侧结构损伤1膝。