LKnative - Radial nerve block

7 – Anatomy: Muscles innervated directly by the radial nerve

The radial nerve supplies motor branches to:

– the lateral and medial heads of the triceps muscle

– the anconeus muscle

– the brachioradial muscle

– the extensor carpi radialis longus muscle

The motor branches from the deep branch of the radial nerve are presented on the next page

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The triceps muscle lateral head (green arrow), the triceps muscle medial head (magenta arrow), the anconeus muscle (blue arrow), the brachioradial muscle (black arrow), the extensor carpi radialis longus muscle (red arrow)