The aerage sagittal position of the thoracolumbar spine, a calculation based on the AUC, is a less ariable measure of sagittal balance than the C7 plumb line.

• 通过基于计算AUC的方式，我们得出通过胸腰椎体的平均矢状位置来衡量C7的垂直线是一个更加稳定可靠的方法。