Superficial posterior compartment of the forearm

Definition

The superficial posterior compartment of the forearm is a group of muscles located on the back side of the forearm, primarily responsible for extending the wrist and fingers. These muscles are innervated by the radial nerve and include the extensor carpi radialis brevis, extensor digitorum, and extensor carpi ulnaris.

Related terms

Extensor Digitorum:

A muscle in the forearm that extends the fingers and hand.

Radial Nerve: A nerve that runs down the arm and innervates muscles in the posterior compartment of the forearm.

Wrist Extension: A movement where the back of your hand moves towards the back of your forearm, primarily facilitated by muscles in the superficial posterior compartment