The brachioradialis (supinator longus) originates two-thirds of the way down the humerus between the triceps and the brachialis. The muscle begins wide and flat and twists toward the front of the arm as it descends. It then widens and flattens again before ending in a flat tendon, which inserts on the thumb side of the radius. It is innervated by branches of the radial nerve and supplied by radial recurrent artery. Unlike most of the long tendons of the forearm, the tendon does not cross the wrist joint, but rather ends at the distal end of the radius. This muscle bends the forearm at the elbow. It does not assist in turning the forearm. Research Brachioradialis
The supinator longus is commonly known as the brachioradialis muscle. It originates two-thirds of the way down the humerus between the triceps and the brachialis. The muscle begins wide and flat and twists toward the front of the arm as it descends. It then widens and flattens again before ending in a flat tendon, which inserts on the thumb side of the radius. It is innervated by branches of the radial nerve and supplied by radial recurrent artery. Unlike most of the long tendons of the forearm, the tendon does not cross the wrist joint, but rather ends at the distal end of the radius. This muscle bends the forearm at the elbow. It does not assist in turning the forearm. Research Supinator Longus
The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert
Abbreviations
Research Brachioradialis
