In the context of shoulder joint movements, abduction refers to an upward lateral movement of the humerus in the frontal plane out to the side, away from the body.

Question

Quizplus · Accepted Answer

Abduction of the shoulder joint involves moving the arm away from the midline of the body in the frontal plane, which is accurately described as an upward lateral movement of the humerus out to the side.

In the Context of Shoulder Joint Movements, Abduction Refers to an Upward