Relationship between the Branching Patterns of the Radial Nerve and Supinator Muscle

Figure 8

A photograph showing the common trunk of the posterior interosseous nerve. BR: brachioradialis; ECRL: extensor carpi radialis longus; ECRB: extensor carpi radialis brevis; asterisk: supinator; ED: extensor digitorum; ECU: extensor carpi ulnaris; asterisk: supinator.