AB =闭孔神经前支,ABM =短内收肌,ALM =长内收肌,AMM =大内收肌,FN =股神经,GM =股薄肌,ON =闭孔神经,PB =闭孔神经后支.闭孔神经自髂腰肌(iliopsoas muscle)内侧缘穿出,在腰大肌后方和闭孔内肌(obturator internus muscle)前方向下走行,在耻骨结节外侧2cm下方2cm处自盆地穿出(图3-。前支走行于长内收肌和短内收肌之间,后支走行于短内收肌和大内收肌之间(图3-。约8.7%个体自腰丛分出一支副闭孔神经(accessory obturat ......