85 Extensor carpi radialis longus
Origin:
Lateral supra-epicondylar ridge of humerus
Insertion:
Dorsal aspect of base of 2nd metacarpal
Blood Supply:
Radial artery, radial recurrent artery
Innervation:
Radial nerve (C6, C7)
Main Action:
Extend and abduct hand at the wrist joint; active during fist clenching