Skip to main content

Unfortunately we don't fully support your browser. If you have the option to, please upgrade to a newer version or use Mozilla Firefox, Microsoft Edge, Google Chrome, or Safari 14 or newer. If you are unable to, and need support, please send us your feedback.

Elsevier
Publish with us
Deep Part of Posterior Compartment of Forearm (Left)
Muscular System

Deep Part of Posterior Compartment of Forearm (Left)

Pars profunda compartimenti posterioris antebrachii

Read more

Description

The muscles of the deep part are one of two subgroups of the muscles of the posterior compartment of the forearm, the other being the muscles of the superficial part. These muscles mainly act to:

- supinate the forearm at the radioulnar joints;

- extend the thumb and index finger at their interphalangeal and metacarpophalangeal joints;

- abduct the thumb at the first carpometacarpal joint.

The muscles of the deep part of the posterior compartment of the forearm consist of the:

- abductor pollicis longus;

- extensor indicis;

- extensor pollicis brevis;

- extensor pollicis longus;

- supinator.

Complete Anatomy
The world's most advanced 3D anatomy platform
Try it for Free

Complete Anatomy

The world's most advanced 3D anatomy platform

Complete Anatomy