Which of the following is a function of the rotator cuff during shoulder girdle elevation?
A) Functions with the deltoid to produce a superior translation of the humeral head during shoulder girdle elevation
B) Produces scapular upward rotation during shoulder girdle motion
C) Balances the deltoid activity by providing a slight inferior translatory force of the humeral head during shoulder girdle elevation
D) Produces downward rotation of the scapula during shoulder girdle motion

Question

Quizplus · Accepted Answer

The rotator cuff provides a slight inferior translatory force of the humeral head during shoulder girdle elevation, which balances the superior translatory force produced by the deltoid. This helps to maintain the optimal position of the humeral head and prevent impingement or other shoulder injuries. The other choices, A, B, and D, are functions of other muscles or muscle groups during shoulder girdle motion.

Which of the Following Is a Function of the Rotator