Which muscle is a primary mover when performing a manual muscle test for horizontal adduction of the GH joint?
A) Pectoralis major
B) Posterior deltoid
C) Infraspinatus
D) Teres minor

Question

Quizplus · Accepted Answer

The pectoralis major is the primary mover of horizontal adduction of the GH joint. The posterior deltoid, infraspinatus, and teres minor are not involved in this specific movement.

Which Muscle Is a Primary Mover When Performing a Manual