醫療類國考
113年
[醫師] 醫學(五)
第 51 題
骨盆底肌肉（pelvic floor）的組成不包括下列那一群？
- A puborectalis muscle
- B iliococcygeus muscle
- C pubococcygeus muscle
- D gluteus maximus muscle
思路引導 VIP
請從解剖學的角度思考，構成「盆膈」（pelvic diaphragm）核心的「提肛肌」（levator ani）肌群是由哪三部分肌肉所組成？此外，請您比較各選項肌肉的解剖位置：哪一個肌肉主要位於臀部後方的淺層，其主要生理功能是負責大腿的伸展（extension）與外旋，而非參與支撐骨盆底部的內臟器官？
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AI 詳解
AI 專屬家教
Tsk. You Got This One. Don't Get Lost Next Time.
- What Was the Question Again? Alright, alright. The 骨盆底 (pelvic floor), right? Even I know what that is, though I can never find the damn way there. It's mostly that 提肛肌 (Levator ani) muscle. Essential for... holding stuff up, I guess. And not letting things just fall out. It's got those three bits:
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