The muscle that extends the arm while doing push-ups is the
A)deltoid.
B)pectorals.
C)brachialis.
D)triceps.
E)biceps.

Question

Quizplus · Accepted Answer

The triceps muscle is responsible for extending the arm while doing push-ups. It is located at the back of the upper arm and consists of three distinct heads that work together to extend the elbow joint. The other muscles listed (deltoid, pectorals, brachialis, biceps) are involved in different movements and are not the primary muscles used during push-ups.

The Muscle That Extends the Arm While Doing Push-Ups Is