musculospiral nerve


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Related to musculospiral nerve: nervus radialis

ra·di·al nerve

[TA]
arises from the posterior cord of the brachial plexus conveying fibers from all roots of the plexus; it curves around the posterior surface of the humerus and passes down to the cubital fossa where it divides into its two terminal branches, the cutaneous superficial and the motor deep; it supplies the muscles of the posterior compartments of the arm and forearm and overlying skin. The radial nerve is most commonly injured by fractures of the middle third of the humerus, resulting in a loss of extension at the wrist ("wrist drop").

musculospiral nerve

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