Those pathological changes such as waist and leg pains, vertebra in version, kidney basins extruded and substania ossea are contributed to the contused ligament around sacrum joint.

• 挫伤的韧带失去了固定骨关节的功能,造成骶椎关节微变,引起腰腿痛、椎骨错位、腰间盘突出,骨质增生等病变。