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. 2015 Jun 30;15(61):172–188. doi: 10.15557/JoU.2015.0015

Tab. 7.

Sixth compartment. Anatomy review

Sixth compartment
Anatomy review
ECU – extensor carpi ulnaris
Origin: lateral epicondyle of humerus, common extensor tendon, ulna
Insertion: the base of the 5th metacarpal
Blood supply: ulnar artery
Nerve: radial nerve
Actions: extension of the wrist, slight ulnar flexion of the hand
Tips and tricks:
Images of this tendon should be obtained in short and in long axis. Follow the tendon towards its insertion at the base of the 5th metacarpal.