问题
单项选择题
脊髓损伤水平定位在L4平面的关键肌为（）.
A.屈髋肌（髂腰肌）。
B.伸膝肌（股四头肌）。
C.踝背伸肌（胫骨前肌）。
D.长伸趾肌（趾长伸肌）。
E.踝跖屈肌（腓肠肌、比目鱼肌）。
答案
参考答案：C
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脊髓损伤水平定位在L4平面的关键肌为（）.
A.屈髋肌（髂腰肌）。
B.伸膝肌（股四头肌）。
C.踝背伸肌（胫骨前肌）。
D.长伸趾肌（趾长伸肌）。
E.踝跖屈肌（腓肠肌、比目鱼肌）。
参考答案：C
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