Common extensor tendon

Posterior surface of the forearm. Superficial muscles. (Common extensor tendon not labeled, but region is visible at upper right.)

The common extensor tendon is a tendon shared by a number of extensor muscles in the forearm. It attaches to the lateral epicondyle of the humerus.

It serves as the origin (in part) for a number of muscles (largely in the posterior compartment of the forearm:

[edit] See also

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v • d • e 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