AP Module 5 Muscles of the Hand and Wrist
abductor pollicis longus (APL)
L - deep extensor A - abduction of wrist and thumb INV - deep radial nerve
extensor indicis (EI)
L - deep extensor A - extension of wrist and digit 2 INV - deep radial nerve
extensor pollicis brevis (EPB)
L - deep extensor A - thumb extension, wrist abduction INV - deep radial nerve
extensor pollicis longus (EPL)
L - deep extensor A - thumb extension, wrist abduction INV - deep radial nerve
flexor pollicis longus
L - deep flexor A - flexion of thumb INV - median nerve
flexor digitorum profundus (FDP)
L - deep flexor A - wrist flexion, flexion of digits 2-5 (distal phalanx) INV - palmar interosseous nerve
extensor carpi radialis brevis
L - superficial extensor A - extension, abduction of the wrist INV - radial nerve
extensor carpi radialis longus
L - superficial extensor A - extension, abduction of the wrist INV - radial nerve
extensor carpi ulnaris
L - superficial extensor A - extension, adduction of the wrist INV - deep radial nerve
extensor digiti minimi (digit 5)
L - superficial extensor A - wrist extension, extension of digit 5 INV - deep radial nerve
extensor digitorum
L - superficial extensor A - wrist extension, extension of digits 2-5 INV - deep radial nerve
flexor digitorum superficialis
L - superficial flexor A - flexion of the wrist and digits 2-5 (middle and proximal phalanx) INV - median nerve
Palmaris longus
L - superficial flexor A - wrist flexion INV - median nerve
Flexor carpi radialis
L - superficial flexor A - wrist flexion, radial deviation of the hand INV - median nerve
Flexor carpi ulnaris
L - superficial flexor A - wrist flexion, ulnar deviation of the hand INV - ulnar nerve