Use of the extensor pollicis brevis to restore abduction in the unstable thumb.
D006801:Humans; D008475:Median Nerve; D010243:Paralysis / Q000601:surgery*; D013709:Tendon Transfer; D013710:Tendons / Q000601:surgery*; D013933:Thumb / Q000601:surgery*; D014459:Ulnar Nerve