Pronator quadratus muscle

（重定向自Pronator Quadratus）

Pronator quadratus is a square shaped muscle on the distal forearm that acts to pronate (turn so the palm faces downwards) the hand.

As it is on the anterior side of the arm, it is innervated by a branch of the median nerve, the anterior interosseous nerve (roots C8 and T1 with T1 being primary). Arterial blood comes via the interosseous artery.

单词	Pronator Quadratus
释义	Pronator Quadratus 原声例句 Osmosis-神经 On the other hand, the median nerve innervates pronator teres and pronator quadratus, which pronate the forearm turning the palm posteriorly. 另一方面，正中神经支配旋前圆肌与旋前方肌，使前臂旋前，掌心向后旋转。英语百科 Pronator quadratus muscle （重定向自Pronator Quadratus） Pronator quadratus is a square shaped muscle on the distal forearm that acts to pronate (turn so the palm faces downwards) the hand. As it is on the anterior side of the arm, it is innervated by a branch of the median nerve, the anterior interosseous nerve (roots C8 and T1 with T1 being primary). Arterial blood comes via the interosseous artery.
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