help pls

When throwing a ball, why does the triceps muscle contract?

A. The contraction of the triceps muscle causes the arm to flex.

B. The contraction of the triceps muscle causes the arm to extend.

C. When added to the force of the biceps contracting, it provides extra force to the ball.

D. The triceps muscle needs to contract in order to keep the muscle from relaxing.

Tricep muscles are the large muscles present in the upper limbs. The tricep muscles contract when throwing a ball as contraction leads to the extension of the arms. Thus, option B is correct.

What is muscle contraction?

Muscle contraction is the lengthening and shortening of the muscles when performing a certain activity. It is triggered by the action potential generated and traveled along through the nerve cells.

The muscles contract when throwing a ball as it causes the extension and lengthening of the muscles that result in the action allowing the hand muscles to throw the ball.

Therefore the muscle contracts to cause an extension.

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