Generally,what actions are involved in opposition of the thumb?

Question

Quizplus · Accepted Answer

Opposition of the thumb involves flexion, abduction, and medial rotation of the thumb. Therefore, the best choice is D, which includes all of these actions. A is incorrect because it includes extension instead of abduction. B is incorrect because it includes medial rotation of the humerus instead of the thumb. C is incorrect because it includes extension instead of flexion.

Generally,what Actions Are Involved in Opposition of the Thumb