Abductor pollicis longus
Related Anatomy
Nerve
Posterior interosseous nerve
Radial nerve
Plexus
Brachial plexus
Muscle Action
Thumb abduction in plane of palm
Nerve Root
C8
C7
Brachial Plexus Trunk
Middle trunk
Lower trunk
Brachial Plexus Cord
Posterior cord
Brachial Plexus Division
Posterior division