Muscle
Brachioradialis
"Beer-raising" elbow flexor
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
Frequently asked questions
What does the brachioradialis do?
The brachioradialis flexes the elbow, especially with the forearm in mid-pronation.
What nerve innervates the brachioradialis?
The brachioradialis is innervated by the radial nerve (C5, C6, C7).
Where does the brachioradialis attach?
The brachioradialis originates from the lateral supracondylar ridge of the humerus and inserts on the lateral surface of the distal radius (styloid process).
What is the blood supply of the brachioradialis?
The brachioradialis is supplied by the radial recurrent artery.