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第一指[拇]长展肌[腕斜伸肌]
Musculus abductor digiti I [pollicis] longus [Musculus extensor carpi obliquus]
定义
起点： 尺骨和桡骨的外侧面及骨间膜。
止点： 第1掌骨近端的内侧，该处嵌有一枚籽骨。
功能： 第一指的外展与屈曲，以及前爪的内侧偏斜。
神经： 桡神经。
參考資料
Text by Antoine Micheau, MD - Copyright IMAIOS
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