亚洲香蕉视频,色鬼综合,国产精品无码久久夕久久,中文字幕精品久久久久人妻红杏1

  Lumbar disc protrusion is a syndrome caused by degeneration of lumbar disc, anular disruption, and herniation of the nucleus pulposus. It would compress or stimulate the nerve roots or cauda equine and lead to clinical symptoms. It is one of the most common reason of lumbocrural pain.