One of these cases was changed in surgical approach and need selective fusion of main thoraciccurve, 19 in upper instrumented vertebra and 29 in lower instrumented vertebra.
手术入路改变1例，上融合节段改变19例，下融合节段改变29例，是否行主胸弯选择性融合改变1例。
2
The three force system of the spine and fixed to play the role of traction, so that the spine flexible and flexibility, so that people can do the normal cervical curve, thoraciccurve, lumbar curve.
Background The fulcrum bending radiograph accurately predicts scoliosis curve correction in patients with thoracic adolescent idiopathic scoliosis who are managed with hooks.