Results Stress concentration was noted at the pedicle and posterosuperior part of the vertebral body near the pedicle. 结果椎弓根以及椎体后上方与椎弓根相邻部分为应力集中区域。
The cervicothoracic junction is a transitional area where the cervical spine lateral masses decrease in size and the vertebral pedicles increase in size within the thoracic region. 后路钉棒装置系统与前路装置相比,由于使用了牢固的侧块螺钉或椎弓根螺钉,以及在正中矢状面上有更长的固定距离,因此可以提供更好的生物力学稳定性。