When muscles contract,the opposing muscle will
A) pull.
B) push.
C) contract.
D) relax.
E) shorten.

Name: When muscles contract,the opposing muscle will A) pull. B) push. C) contract. D) relax. E) shorten.
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Question

Quizplus · Accepted Answer

When one muscle contracts, the opposing muscle needs to relax in order for movement to occur. For example, when contracting the biceps to lift a weight, the triceps must relax in order for the arm to bend. Therefore, the best choice is D, relax.

When Muscles Contract,the Opposing Muscle Will