Deep branch of the radial nerve

Template:Infobox Nerve Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

The deep branch of the radial nerve winds to the back of the forearm around the lateral side of the radius between the two planes of fibers of the Supinator, and is prolonged downward between the superficial and deep layers of muscles, to the middle of the forearm.

Considerably diminished in size, it descends, as the posterior interosseous nerve.

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  Cross-section through the middle of the forearm.
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  The Supinator.
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  Deep palmar nerves.

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