Muscles that move the thumb
extension; radial nerve
Extensor Pollicis brevis principal action: innervation:
opposition
Opponens Pollicis principal action:
abduction; median nerve
abductor pollicis brevis principal action: innervation:
flexion; median nerve
flexor pollicis brevis principal action: innervation:
flexion; median nerve
flexor pollicis longus principal action: innervation:
Abductor pollicis longus
?
abductor pollicis brevis
?
extensor pollicis brevis
?
extensor pollicis longus
?
flexor pollicis brevis
?
opponens pollicis
?
abduction; radial nerve
Abductor pollicis longus principal action: innervation:
extension; radial nerve
Extensor pollicis longus principal action: innervation:
adduction; ulnar nerve
adductor pollicis principal action: innervation:
adductor pollicis
muscles that move the thumb: (palmar hand)
flexor pollicis longus
muscles that move the thumb: anterior (flexor) forearm
abductor pollicis brevis, flexor pollicis brevis, opponens pollicis
muscles that move the thumb: lateral palmar hand (thenar eminence)
extensor pollicis brevis, abductor pollicis longus, extensor pollicis longus
muscles that move the thumb: posterior (extensor) forearm