Which term is a muscle located on the front of the arm and helps flex the forearm at the elbow?

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Multiple Choice

Which term is a muscle located on the front of the arm and helps flex the forearm at the elbow?

Explanation:
The main idea is recognizing which muscle on the front of the upper arm causes elbow flexion. The biceps brachii sits in the anterior part of the arm and crosses the elbow joint, so when it contracts it bends the forearm at the elbow (flexion). It also assists in rotating the forearm (supination). The other terms aren’t muscles: the triceps brachii is on the back of the arm and extends the elbow; the humerus is the upper arm bone; the cranium is the skull.

The main idea is recognizing which muscle on the front of the upper arm causes elbow flexion. The biceps brachii sits in the anterior part of the arm and crosses the elbow joint, so when it contracts it bends the forearm at the elbow (flexion). It also assists in rotating the forearm (supination). The other terms aren’t muscles: the triceps brachii is on the back of the arm and extends the elbow; the humerus is the upper arm bone; the cranium is the skull.

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