In Extending the Elbow the?

Contraction of the triceps extends the elbow. Just for completeness, we need to mention this tiny muscle, the anconeus. It runs from the lateral epicondyle to the lateral aspect of the proximal ulna.

What is extension of the elbow?

Extension of the elbow refers to straightening the forearm by widening the angular distance between the hand and the shoulder from a flexed position. ... In non-medical terms, this means that a person straightens his or her arm so that the elbow joint is open and not bent.

What muscles extend the elbow?

Several muscle groups cross over the elbow joint. The muscles involved in flexion (bending) the elbow are the biceps brachii, brachioradialis and the brachialis. The triceps are responsible for elbow extension (straightening the arm).