The brachialis is a muscle in the arm that’s located under the biceps brachii. It helps to flex the forearm at the elbow joint. A tendon is a set of fibrous tissue that attaches the muscle to the bone. … Therefore,brachialis tendonitis is the swelling of the brachialistendon, which causes pain to the affected arm.
Problems associated with the brachialis muscle is tendinitis often from over use.
In this video hold each position for 30-60 seconds and repeat 5-10 reps.