thumb-muscles-2-labeledMuscle Origin

Lateral Supracondylar ridge of Humerus to the styloid process of the radius.

The lateral supracondylar ridge (or line), provides an anterior lip for the origin of the Brachioradialis.


Distal radius (radial styloid process).

The radial styloid process is a projection of bone on the lateral surface of the distal radius bone. It extends obliquely downward into a strong, conical projection. The tendon of the brachioradialis attaches at its base, and the radial collateral ligament of the wrist attaches at its apex. Wiki


Flexes forearm at elbow.

Flexion of elbow and supination.

Innervation – Nerve control

Radial nerve.

The radial nerve is a nerve in the human body that supplies the posterior portion of the upper limb. It innervates the medial and lateral heads of the triceps brachii muscle of the arm, as well as all 12 muscles in the posterior osteofascial compartment of the forearm and the associated joints and overlying skin. Wiki


Radial recurrent artery.

The radial recurrent artery arises from the radial artery immediately below the elbow.

It ascends between the branches of the radial nerve, lying on the supinator muscle and then between the brachioradialis muscle and the brachialis muscle, supplying these muscles and the elbow-joint, and anastomosing with the terminal part of the profunda brachii. Wiki

Antagonist muscles

Pronator teres, Flexor carpi radialis, Palmaris longus, Flexor carpi ulnaris, Flexor digitorum superficialis, Flexor digitorum profundus, Flexor pollicis longus, pronator quadratus. American Academy of Manual Medicine

Pictures of muscles


Trigger Point Referrals


Stretching description








Additional Resources
Sports Lab
American Academy of Manual Medicine

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