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梨形肌肉

 
,醫學編輯
最近審查:23.04.2024
 
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梨狀肌肉(梨狀肌)開始於骶骨(II-IV骶骨椎骨)的骨盆表面,在盆腔骶孔的側面,通過大坐骨孔從盆腔離開。在臀部的脖子後面,肌肉通過一個圓形肌腱,附著在大轉子的頂部。在這種肌肉下有滑膜梨形肌肉袋(囊滑膜肌肉梨狀肌)。

梨形肌肉功能:輕輕帶動臀部向外轉動。

梨形肌的神經支配:骶叢的肌支(SI-SIII)。

梨形肌肉供血:臀下,閉孔,內動脈。

trusted-source[1], [2], [3]

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