wkes.eu The extensor carpi ulnaris (ECU) muscle plays a key role not only in the active movements of wrist extension and ulnar deviation but also in providing stability to the ulnar side of the wrist.

Common injuries encountered include ulnar collateral ligament (UCL ... The AOL is also the primary stabiliser to internal rotatory forces.3 4 The flexor carpi ulnaris muscle, pronator teres and flexor ...