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.

Correspondence to Mr Ryan D Postle, The University of British Columbia Faculty of Medicine, Vancouver, Canada; rpostle{at}student.ubc.ca The patient is a 24-year-old right-handed amateur female tennis ...

His left wrist issues began in May 2023 when the extensor carpi ulnaris tendon, or ECU, would pop out of its sheath. Spieth wound up getting the sheath surgically rebuilt on Aug. 21 in Colorado ...