There was a dislocation of the greater multiangular 1st metacarpal joint and a fracture of the proximal thumb phalanx, with consequent adduction contracture of the right thumb (Fig. 9 A).

(b) Restoration of alignment at the first carpometacarpal joint is seen on post reduction ... third, and fourth metacarpal bones, the proximal phalanges of the thumb and index finger, and the ...