Medically reviewed by Anita C. Chandrasekaran, MD ​Ulnar deviation is a deformity of the hand that affects people with ...

If it's too low, it can require unnecessary wrist flexion and ulnar deviation," which can make ulnar sided wrist pain worse. ...

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.