ADDUCTION contracture of the thumb ... flexion, and the ulnar adduction. No one muscle acts alone, and all motions are the results of co-ordinated action of all muscles. Thus, the motion in one ...

Some saddle joints are also capable of combining flexion-extension and abduction-adduction movements. The prime example of a saddle joint is the trapeziometacarpal joint at the base of your thumb.

A 32-year-old man had a sharp laceration of the FDS and FDP tendons of the right index finger in zone 2. Repair was done 3 days after injury, and the patient was begun on the Chow protocol.