This bone is part of the carpometacarpal (CMC) joint, which connects the trapezium to the metacarpal of the thumb. CMC joint anthroplasty helps reduce pain and makes it easier to grip and pinch ...

In addition the first metacarpal bone moves ulnarward, swinging in that direction from a pivot at the carpometacarpal joint. In circumduction the thumb swings in a circle with the ...

Surgeons have grown new living finger joints in patients with ... with the final option being an artificial joint. But the metacarpophalangeal or MCP joint - the knuckle, where the hand meets ...

(a) Oblique radiograph of the left thumb demonstrating dorsal subluxation of the first metacarpal bone at the basal joint. (b) Restoration of alignment at the first carpometacarpal joint is seen ...

The average active metacarpophalangeal joint flexion of the surgically ... Active flexion of the tip of the thumb to the palmar aspect of the fifth metacarpal head was accomplished after 44 ...