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脊柱是躯干的支柱,上接颅底,下连左右髋骨。它是7块颈椎、12块胸椎、5块腰椎及骶、尾骨各1块组成。各椎骨靠椎间盘、韧带连接成脊柱,其周围有肌肉和韧带附着、支撑着,以加强其稳定性,防止活动时受损伤。正常人脊柱有几个弯曲,颈部与腰部向前凸,胸
Spine is the backbone of the trunk, on the skull base, even under the left hip. It is 7 cervical, 12 thoracic, 5 lumbar and sacral, coccyx 1 each. The vertebrae by the intervertebral disc, ligaments connected into the spine, surrounded by muscles and ligaments attached to the support in order to enhance its stability, to prevent activity damage. There are several normal spine curvature, neck and waist forward convex, chest