Explain why the biceps muscle cannot make the arm straighten

Question

Biology

Deangelo Dalton

2 May, 16:33

Explain why the biceps muscle cannot make the arm straighten

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Damari Combs · Answer 1

Antagonistic muscles Muscles can contract and make themselves shorter. However, muscles cannot make themselves get longer. To bend the arm, the biceps contracts (gets shorter) and the triceps relaxes ... The contracting biceps muscle makes the arm bend at the elbow joint.