Sending a text message to your roommate would be impossible without the actions of ________.
A) the muscles of the anterior forearm
B) the muscles of the posterior component of the arm
C) the intrinsic muscles of the hand
D) the muscles of the anterior compartment of the arm

Question

Quizplus · Accepted Answer

The intrinsic muscles of the hand are responsible for controlling the movements of the fingers and thumbs, which are necessary for typing a text message. The muscles of the anterior forearm and compartments of the arm are involved in movements of the wrist and elbow, but not as directly involved in the specific movements required for texting.

Sending a Text Message to Your Roommate Would Be Impossible