posterior inferior iliac spine

The inferior gluteal nerve penetrated from the pelvis mainly in the middle 1/ 3 ( 50. 00%) of the line from the posterior superior iliac spine to the ischial tuberosity or at the junction of its superior-middle 1/ 3 ( 48.33%).

其穿出点的位置主要在髂后上棘与坐骨结节连线的中1/3（50.00%）或上、中1/3交界处（48.33%）。

互联网摘选

The widths and height of the projection, and the distances from the axis of the projection to posterior superior iliac spine and posterior inferior iliac spine were measured bilaterally.

分别测量两侧投影的宽度、高度、投影纵轴到髂后上棘、髂后下棘的距离。

dict.cnki.net