List all six possible movements that can occur at the shoulder joint and name the prime mover(s) of each movement. Then name their antagonists. (a) Name two forearm muscles that are powerful extensors...

List all six possible movements that can occur at the shoulder joint and name the prime mover(s) of each movement. Then name their antagonists.

(a) Name two forearm muscles that are powerful extensors and abductors of the wrist.

(b) Name the sole forearm muscle that can flex the distal interphalangeal joints.