What is the insertion of the triceps brachii?

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Multiple Choice

What is the insertion of the triceps brachii?

Explanation:
Triceps brachii inserts at the olecranon process of the ulna. This posterior elbow attachment lets the muscle pull on the ulna to straighten the forearm, producing elbow extension when the triceps contracts. The coronoid process of the ulna is where brachialis attaches, aiding elbow flexion. The radial tuberosity is the insertion for the biceps brachii, which flexes the elbow and rotates the forearm. The styloid process of the radius is where brachioradialis and related muscles attach, contributing to forearm movements near the wrist.

Triceps brachii inserts at the olecranon process of the ulna. This posterior elbow attachment lets the muscle pull on the ulna to straighten the forearm, producing elbow extension when the triceps contracts. The coronoid process of the ulna is where brachialis attaches, aiding elbow flexion. The radial tuberosity is the insertion for the biceps brachii, which flexes the elbow and rotates the forearm. The styloid process of the radius is where brachioradialis and related muscles attach, contributing to forearm movements near the wrist.

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