AnatomyDeck

Muscle

Brachioradialis

"Beer-raising" elbow flexor

Upper limbMuscular system

High-yield

Posterior-compartment (radial nerve) muscle that flexes the elbow; strongest in mid-pronation. Brachioradialis reflex ~C6.

Overview

A posterior-compartment muscle that paradoxically flexes the elbow, best in the mid-prone position. It is a radial-nerve muscle.

Reference facts

  • Origin

    Lateral supracondylar ridge of the humerus

  • Insertion

    Lateral surface of the distal radius (styloid process)

  • Action

    Flexes the elbow, especially with the forearm in mid-pronation

  • Innervation

    Radial nerve (C5, C6, C7)

  • Blood supply

    Radial recurrent artery

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