All of the following bones are involves in wrist joint formation EXCEPT?
(A) Scaphoid (B) Ulna (C) Radius (D) Triquetral
(B) Wrist joint aka radiocarpal joint is a synol, ellipsoid joint formed by: - Ulna: - Forms inferior radioulnar joint Function: pronation & supination Separated from wrist joint by an aicular disc. Wrist joint formed by: - Upper: Inferior surface of lower end of radius Aicular disc of the inferior radioulnar joint Lower: Scaphoid Lunate Triquetral (ulnar detion)