But though runners run straight ahead, keeping the piriformis muscle loose is important for overall flexibility.

尽管跑步者沿着直线向前跑，保持梨状肌松弛有利于保持全身的柔韧性。

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The sciatic nerve travels through an opening in the pelvis called the greater sciatic foramen, and typically runs below the piriformis muscle.

坐骨神经经过骨盆上称为坐骨大孔的开口，通常走行于梨状肌的下方，因此梨状肌的疾患或痉挛或导致与坐骨神经痛症状相似的腿痛。

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AIM: to evaluate the curative effect of sector blocking of piriform muscle in old patients with piriformis syndrome.

目的：探讨扇形封闭对老年性梨状肌综合征的治疗效果及临床意义。

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