posterior superior iliac spine

The vertical distance from the sacral nerve emerged above and below the piriformis muscle to the PS line connecting the posterior superior iliac spine and the sacral horn line was measured.

以髂后上棘至同侧的骶角连线（PS线）为基线，测量各神经出梨状肌上、下缘处至PS线的垂直距离。

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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

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%）。

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Methods Thirty patients with spinal osteoarthritis were selected. A metal label with a diameter of 10 mm was fixed on the posterior superior iliac spine according to the landmark of body surface of each patient, then CT scanning was made and observed.

方法选择30例血清阴性脊柱关节病病人，于其体表标志髂后上棘处固定一直径为10mm圆形金属标记物，行骶骼关节CT扫描并观察。

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