Your Patient Is Performing Shoulder Flexion from 0 to 180 $\degree$

Multiple Choice

Your patient is performing shoulder flexion from 0 to 180 $\degree$ in a standing position with his elbow extended while holding a 5-pound weight in his hand. The torque imposed by the 5-pound weight is greatest at ______ $\degree$ .

A) 0
B) 45
C) 90
D) 135
E) 180