The spine is a bone structure consisting of a vertebral body, two pedicles, two vertebral plates, two transverse processes, four articular processes and one spinous process, which is divided into cervical vertebrae, thoracic vertebrae, lumbar vertebrae, sacral vertebrae and coccygeal vertebrae. The spine is composed of 32 spinous processes, which is the pillar and protector of internal organs and the main structure for bearing, exercising, damping and balancing limbs.

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