Origin
Humerus – anterior surface.
Insertion
Ulna – tuberosity, coronoid process.
Blood supply
Radial recurrent artery.
Nerve supply
Musculocutaneous nerve.
Action
The brachialis muscle causes flexion at the elbow joint.
Disease/Injury
Brachialis tendinitis is a common injury due to overuse of the muscle.
Muscle Exercise
Exercises like barbell curls and cable curls help to strengthen the brachialis muscle.
Interesting Facts
This muscle forms a part of the cubital fossa, which is an important anatomical structure. Blood samples for investigations are usually collected from this area.