Ch. 6 Musculoskeletal System Disorders Flashcards
(133 cards)
Name the intrinsic muscles innervated by the MEDIAN nerve
Abductor pollicis brevis Opponens pollicis Flexor pollicis brevis: superficial head Lubricals (radial side) (pg. 178 R&SG)
Name the intrinsic muscles innervated by the ULNAR nerve
Abductor digiti minimi Opponens digiti minimi Flexor digiti minimi Adductor Lumbricals (Ulnar side) Palmar interossei Dorsal interossei (pg. 179 R&SG)
Name the extrinsic flexor muscles of the hand innervated by the MEDIAN nerve
Flexor digitorum superficialis (FDS) Flexor digitorum profundus (FDP) Flexor pollicis longus (FPL) (pg. 179 R&SG)
Name the extrinsic flexor muscles of the hand innervated by the ULNAR nerve
Flexor digitorum profundus (FDP) (pg. 179 R&SG)
Name the extrinsic extensor muscles of the hand innervated by the RADIAL nerve
Extensor digitorum communis (EDC) Extensor digiti minimi (EDM) Extensor indicis proprius (EIP) Extensor policis longus (EPL) Extensor policis brevis (EPB) Abductor pollicis longus (APL) (pg. 180 R&SG)
Name wrist flexors innervated by the MEDIAN nerve
Flexor carpi radialis (FCR) Palmaris longus (PL) (pg. 180 R&SG)
Name wrist flexors innervated by the ULNAR nerve
Flexor carpi ulnaris (FCU) (pg. 180 R&SG)
Name wrist extensors innervated by the RADIAL nerve
Extensor carpi radialis brevis (ECRB) Extensor carpi radialis longus (ECRL) Extensor carpi ulnaris (ECU) (pg. 180 R&SG)
Name the volar forearm muscles innervated by the MEDIAN nerve
Pronator teres Pronator quadratus (pg. 180 R&SG)
Name the dorsal forearm muscles innervated by the RADIAL nerve
Supinator (pg. 180 R&SG)
Describe the action of the abductor pollicis brevis
palmar abduction (pg. 178 R&SG)
Describe the action of the abductor opponens policis
Opposition (pg. 178 R&SG)
Describe the action of the abductor flexor pollicis brevis (superficial head)
thumb MCP flexion (deep head innervated by ulnar n.) (pg. 178 R&SG)
Describe the action of the lumbricals (radial side)
MCP flexion and extension of IP joints (pg. 178 R&SG)
Describe the action of the abductor digiti minimi
abduction of the fifth digit (pg. 178 R&SG)
Describe the action of the opponens digiti minimi
opposition of the fifth digit (pg. 179 R&SG)
Describe the action of the adductor
adducts CMC joint of thumb (pg. 179 R&SG)
Describe the action of the lumbricals (ulnar side)
MCP flexion and extension of IP joints of digits IV and V. (pg. 179 R&SG)
Describe the action of the palmar interossei
adduction and assistance with MCP flexion and extension of IP joints of digits II through V. (pg. 179 R&SG)
Describe the action of the dorsal interossei
abduction and assists with MCP flexion and extension of IP joints of digits II through V. (pg. 179 R&SG)
Describe the action of the flexor digitorum superficialis (FDS)
flexion of PIP joints (pg. 179 R&SG)
Describe the action of the flexor digitorum profundus (FDP)
flexion of DIP joints to digits II and III (pg. 179 R&SG)
Describe the action of the flexor pollicis longus (FPL)
flexion of IP joint of thumb (pg. 179 R&SG)
Describe the action of the flexor digitorum profundus (FDP)
flexion of DIP joints to digits IV and V. (pg. 179- 180 R&SG)







