Main Model
8 Extensor carpi radialis longus muscle
Extensor carpi radialis longus
Proximal Attachment: Lateral supra-epicondylar ridge of humerus
Distal Attachment: Dorsal aspect of base of 2nd metacarpal
Innervation: Radial nerve (C6, C7)
Main Action(s): Extends and abducts hand at the wrist joint; active during fist clenching