Anterior compartment of the forearm
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| Anterior compartment of the forearm | |
|---|---|
 | |
| Cross-section through the middle of the forearm. (Anterior compartment is at top; posterior compartment is at bottom.) | |
| Artery | ulnar artery |
| Nerve | median nerve (anterior interosseous nerve), ulnar nerve (muscular branches of ulnar nerve) |
The anterior compartment of the forearm contains the following muscles:
| Level | Muscle | E/I | Nerve |
| superficial | flexor carpi radialis | E | median |
| superficial | palmaris longus | E | median |
| superficial | flexor carpi ulnaris | E | ulnar |
| superficial | pronator teres | I | median |
| superficial (or intermediate) | flexor digitorum superficialis | E | median |
| deep | flexor digitorum profundus | E | ulnar + median |
| deep | flexor pollicis longus | E | median |
| deep | pronator quadratus | I | median |
- "E/I" refers to "extrinsic" or "intrinsic".
The muscles are largely involved with flexion and pronation. The superficial muscles have their origin on the common flexor tendon.
See also
External links
Additional images
General anatomy of upper limbs | |
|---|---|
| Arm | Axilla • Axillary sheath • axillary folds (Anterior, Posterior)
spaces (Quadrangular space, Triangular space, Triangular interval) • Clavipectoral triangle compartment of arm (Posterior, Anterior) fascia (Axillary, Brachial) - intermuscular septa (Lateral, Medial) |
| Forearm | Cubital fossa (Bicipital aponeurosis) • Cubital tunnel • common tendons (Extensor, Flexor) • Interosseous membrane of the forearm
compartment of forearm (Posterior, Anterior) fascia (Antebrachial fascia) |
| Hand | posterior: Extensor retinaculum • Extensor expansion • Vincula tendina • Anatomical snuff box
anterior: Flexor retinaculum • Carpal tunnel • Palmar aponeurosis • Ulnar canal • Synovial sheath (Common synovial sheath for the flexor tendons]) Finger |
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
