Affiliation:
1. Maulana Azad Medical College and associated LNJP Hospital, New Delhi-110002, India
Abstract
The biomechanics of the wrist, particularly pertaining to its rotational shift, is ill understood and remains controversial. The rotational shift of the proximal carpal row comprises three components: the ulnar or the radial translation, volar or dorsal rotation and the supination, pronation. Newer mechanisms governing the rotational shift have been suggested, operating through either the radioulnar translation of the obliquely placed scaphoid or through an inherent mechanism in the lunate itself.The wrist joint is made up of the distal carpal row and the radioulnar articulation, with the proximal carpal row as the intercalated segment to maintain the intervening gap between the two articular surfaces. The rotational shift has been suggested to be the crux providing great versatility to the intercalated segment, in order to conform to the changing dimensions of the gap between the distal radius and the distal carpal row during the movements of the wrist.
Publisher
World Scientific Pub Co Pte Lt
Cited by
4 articles.
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