Extensor Carpi Radialis Longus

wrist-muscles-lateral-labeledMuscle Origin

Lateral epicondyle of the humerus to second metacarpal.

The Extensor Carpi Radialis Longus attaches to the inferior 1/3 lateral supracondylar ridge of the humerus and the lateral intermuscular septum. American Academy of Manual Medicine

Insertion

2nd metacarpal.

The Extensor Carpi Radialis Longus attaches to the dorsal surface of the base of the second metacarpal bone.

Action

Extends hand at the wrist.

Innervation – Nerve control

Radial nerve.

Extensor at the wrist joint, abducts the hand at the wrist.

Artery

Radial artery.

Antagonist muscles

Flexor carpi ulnaris muscle.

The antagonist muscles are the Flexor Carpi Radialis, Pronator Teres, Flexor Carpi Ulnaris, Palmaris Longus, Flexor Digitorum Superficialis, Flexor Digitorum Profundus, Pronator Quadratus, and Flexor Pollicis Longus. American Academy of Manual Medicine

Pictures of muscles

 

Trigger Point Referrals

 

Stretching description

 

Exercises

 

Injuries

 

Treatment

 

Additional Resources
Wiki
American Academy of Manual Medicine

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