11+ First Carpometacarpal Joint Anatomy. The morphologic features of these facets, together with a lax but strong joint capsule, give the thumb great mobility and play a major role in the opposition of the thumb. The carpometacarpal (cmc) joints are five joints in the wrist that articulate the distal row of carpal bones and the proximal bases of the five metacarpal bones.
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The joint is innervated by articular twigs from the posterior interosseous nerve. Infobox anatomy name = carpometacarpal joint latin = articulationes carpometacarpeæ graysubject = 88 graypage = 330. The carpometacarpal joints with the exception of the carpometacarpal joint of the thumb, which is the carpometacarpal joints among metacarpals ii to v as well as the carpal bones are much less radial artery on its posteromedial aspects.
Carpometacarpal articulation of the thumb (articulatio carpometacarpea pollicis).—this is a joint of reciprocal reception between the first metacarpal and the greater multangular;
The cmc joint of the thumb or the first cmc joint, also known as the trapeziometacarpal (tmc) joint. The carpometacarpal (cmc) joints are synovial joints formed by articulations of the distal carpal row and the metacarpal bones. It enjoys great freedom of movement on account of the configuration of. Inflammation of synovial lining of tendons of abductor pollicis longus and extensor pollicis brevis.
