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在７具正常成人男性的新鲜脊柱腰骶段，用整体加载照像测量的方法对腰骶段脊柱各节段的运动范围进行了三维测量，得出腰骶段脊柱的屈伸运动从上到下逐渐加大；测弯运动各节段大致相等；旋转运动以Ｌ＿５～Ｓ＿１最大，其他节段大致相等。
In the lumbosacral segments of fresh spine of 7 normal adult men, the range of motion of each segment of the lumbosacral spine was measured by whole-body photogrammetric method, and the lumbosacral spine flexion and extension movements were obtained from top to bottom Gradually increased; bending movement of each segment roughly equal; rotation to L_5 ~ S_1 maximum, other segments are roughly equal.