Ch. 6 Musculoskeletal System Disorders Flashcards
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)
Describe the action of the extensor digitorum communis (EDC)
extension of MCP joints and contributes to extension of the IP joints. (pg. 180 R&SG)
Describe the action of the extensor digiti minimi (EDM)
extension of MCP joint at the fifth digit and contributes to extension of the IP joints (pg. 180 R&SG)
Describe the action of the extensor indicis proprius (EIP)
extension of MCP joint of the second digit and contributes to extension of the IP joints (pg. 180 R&SG)
Describe the action of the extensor pollicis longus (EPL)
extension of IP joint of thumb (pg. 180 R&SG)
Describe the action of the extensor pollicis brevis (EPB)
extension of MCP and CMC joints of thumb (pg. 180 R&SG)
Describe the action of the abductor pollicis longus (APL)
abduction and extension of CMC joint (pg. 180 R&SG)
Describe the action of the flexor carpi radialis (FCR)
flexion of wrist and radial deviation (pg. 180 R&SG)
Describe the action of the palmaris longus (PL)
flexion of wrist (pg. 180 R&SG)
Describe the action of the flexor carpi ulnaris (FCU)
flexion of wrist and ulnar deviation (pg. 180 R&SG)
Describe the action of the extensor carpi radialis brevis (ECRB)
extension of wrist and radial deviation (pg. 180 R&SG)
Describe the action of the extensor carpi radialis longus (ECRL)
extension of wrist and radial deviation (pg. 180 R&SG)
Describe the action of the extensor carpi ulnaris (ECU)
extension of wrist and ulnar deviation (pg. 180R&SG)
Describe the action of the pronator teres
forearm pronation (pg. 180 R&SG)
Describe the action of the pronator quadratus
forearm pronation (pg. 180 R&SG)
Describe the action of the supinator
forearm supination (pg. 180 R&SG)
What nerve innervates the biceps and brachialis?
Musculocutaneous n.
What is the action and innervation of the brachioradialis?
Elbow flexion with forearm neutral, innervated by radial n.
What is the primary muscle used when flexing elbow while balancing a marble in your palm?
biceps
What is the primary muscle being used when flexing at the elbow to admire the rings on your hand?
brachialis
Name the muscles and innervation of the muscles used for elbow extension
triceps and anconeus, radial n.
Name the rotator cuff muscles
subscapularis, supraspinatus, infraspinatus, teres minor,
All rotator cuff muscles are innervated by the suprascapular n. EXCEPT which muscle?
Teres minor is innervated by axillary n.
What muscles are involved in shoulder flexion?
Anterior delt and coracobrachialis
Name the movement being performed in the picture and the muscles involved
Shoulder ABduction, middle delt and supraspinatus
Name the motions performed in this activity pictured
Bonus pat on the back: name the muscles used for those motions
Horizontal ABduction (posterior delt) and Horizontal ADduction (Pectoralis major)
Name the injury pictured here and the nerve involved
Wrist drop- radial nerve injury
Name the muscles involved in shoulder extension
Latissimus dorsi, teres major, posterior delt
Name 3 of the initial OT interventions for a new client with a recent diagnosis of Dupuytren’s contracture
1- wound care (dressing changes)
2- edema control (elevation above heart)
3- AROM/PROM
True or False, in a client with Duputren’s contracture, you want to work on resistive strengthening as soon as swelling is reduced to prevent further weakness.
FALSE. Dupuytren’s is a diseas of the fascia of palm and digits which becomes thick and causes deformity from contractures.
You would work on extension with hand based splint (dorsal or volar) and AROM/PROM THEN progress to strengthening when woulds are healed.