The two basic and opposite actions that account for all muscle movements are contraction and extension.

true or false

Question

Biology

Lydia Fields

17 February, 09:33

The two basic and opposite actions that account for all muscle movements are contraction and extension.

true or false

+5

Answers (1)

Know the Answer?

Albert Bird · Answer 1

False

Muscles are only able to contract or relax. This is why they need complementary muscles. For example, the bicep can raise the forearm, but cannot lower it. For that, the tricep is needed.

The two basic and opposite actions that account for all muscle movements are contraction and extension.true or false

The two basic and opposite actions that account for all muscle movements are contraction and extension.

true or false