As your patient abducts her shoulder from 90° to 120°,the moment arm decreases.If the torque from the deltoid remains constant,the force of the deltoid would ________________as the shoulder abducted.
A) remain the same
B) increase
C) decrease
D) become 0 N

Question

Quizplus · Accepted Answer

When the moment arm decreases and the torque remains constant, the force exerted by the muscle (in this case, the deltoid) must increase to maintain the same torque, according to the torque formula (Torque = Force x Distance).

As Your Patient Abducts Her Shoulder from 90° to 120°,the