Alternating the turning of the palm of the hand toward the ceiling and then turning it toward the floor is a movement of the forearm. This movement
A) includes pronation.
B) includes supination.
C) occurs at the radiocarpal joint.
D) all except occurs at the radiocarpal joint.

Question

Quizplus · Accepted Answer

This movement includes both pronation (turning the palm downward) and supination (turning the palm upward), but it occurs at the radioulnar joint, not the radiocarpal joint.

Alternating the Turning of the Palm of the Hand Toward