Extensor carpi radialis longus

Original Editor -

Top Contributors - Wanda van Niekerk, Nina Myburg, Kim Jackson, Rachael Lowe, Amanda Ager and Aya Alhindi

Description[edit | edit source]

Origin[edit | edit source]

Extensor carpi radialis longus arises from the anterior part of the lower third of the lateral supracondylar ridge of the humerus and adjacent intermuscular septum.

Insertion[edit | edit source]

Nerve[edit | edit source]

Extensor carpi radialis longus is supplied by the radial nerve (root value C6 and 7) from the posterior cord of the brachial plexus, which enters the muscle above the elbow. The skin over the muscle is supplied by roots C5 and C6

Artery[edit | edit source]

Function[edit | edit source]

Clinical relevance[edit | edit source]

Assessment[edit | edit source]

Treatment[edit | edit source]

Resources[edit | edit source]