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Brachioradialis muscle (anatomy)

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Brachioradialis is one of the muscles of the forearm. In the anatomical position, it rests at the margin of flexor and extensor compartments.

It originates from the:

  • superior two thirds of the lateral supracondylar ridge of the humerus
  • lateral intermuscular septum

It passes distally over the elbow joint to insert into the proximal part of the styloid process of the radius

It acts to:

  • flex the forearm at the elbow
  • pronate the forearm to the midprone position

Brachioradialis is innervated by the radial nerve (C5-7).

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