Anatomy

Question 1

1. Brachial plexus – cord levels

Answer 1

C5-T1

Question 2

Erb Duchennes Paulsy

Answer 2

C5-6, fall on shoulder, child birth stress, axillary, musculocutaneous, and suprascapular n., waiter’s tip position

Question 3

Klumpke Paralysis

Answer 3

C8-T1, pulling baby by outstretched arm, catching oneself while falling from tree, ulnar and median nerves, flexion, supination at elbow, wrist extension, claw hand

Question 4

Paralysis of deep branch of radial nerve, can’t ____ hand, test by extending MP joints and looking for ______

Answer 4

Extension, tendons on dorsum of hand

Question 5

Fracture at midshaft of humerus (or saturday night paulsy) what nerve? what muscles? what sensation?

Answer 5

Radial, brachioradialis, extensors of wrist and fingers, supinators, tricpes, posterior arm, dorsal thumb, dorsal hand

Question 6

Sign: radial deviation of wrist upon flexion, what sensory

Answer 6

lesion of ulnar nerve at medial epicondyle, medial 1.5 digits

Question 7

Distal Lesion, three muscle actions, sensory, and sign

Answer 7

fracture of hook of hamate, interossei (ab/adduction of fingers, lumbricals (flexion of 4th and 5th digits, adduction of thumb, hand of benediction

Question 8

Froment’s sign is done by _______, and tests the ________

Answer 8

having pt pinch piece of paper between thumb and pointer finger, adductor pollicis

Question 9

in carpal tunnel you will get _____ deviation upon wrist flexion

Answer 9

ulnar

Question 10

ape hand is a defecit in ____ due to ____-

Answer 10

oppositon of the thumb, median lesion at the wrist impairing the thenar muscles

Question 11

two variations of sign of benediction

Answer 11

Distal ulnar lesion (4th and 5th digits clawed)

Proximal Median lesion: (can only flex 3rd and 4th due to ulnar lumbricals still in tact)

Question 12

can be injured in masectomy and causes winged scapula

Answer 12

Long Thoracic Nerve

Question 13

levator scapulae and rhomboideus major

Answer 13

Dorsal scapular n. C5

Question 14

serratus anterior

Answer 14

Long thoracic n. C5-7

Question 15

supraspinatus and infraspinatus

Answer 15

Suprascaular n. C5-6

Question 16

subclavius

Answer 16

subclavius C5-6

Question 17

pectoralis major and minor

Answer 17

medial pectoral nerve C8-T1

Question 18

cutaneous innervation to medial forearm

Answer 18

medial brachial cutaneous C8-T1

Question 19

pectoralis major

Answer 19

lateral pectoral C5-7

Question 20

subscapularis and teres major

Answer 20

Subscapularis C5-6

Question 21

latissimus dorsi

Answer 21

Thoracodorsal C6-8

Question 22

deltoid and teres minor

Answer 22

axillary C5-6

Question 23

extensors of wrist and fingers, supinators, brachioradialis, triceps

Answer 23

radial

Question 24

: interossei, adductus pollicis, lumbricals of 4th and 5th fingers, flexor carpi ulnaris, ulnar portion of flexor digitorum profundus, hyypothenar muscles

Answer 24

Ulnar

Question 25

biceps, brachialis,, coracobracialis (arm flexors) | o Sensory to the lateral forearm

Answer 25

musculocutaneous C5-6

Question 26

muscles of the forearm except carpi ulnaris, muscles of the thenar

Answer 26

median n.

Question 27

Colle's Fracture

Answer 27

FOSH, break, scaphoid, radius, and ulna, distal fragment of radius overriding rest of bone

Question 28

muscles of the rotator cuff

Answer 28

Subscapularis Infraspinatus Teres minor Supraspinatus

Question 29

carpal tunnel contains

Answer 29

Median n. Four tendons of flexor digitorum superficialis 4 tendons of flexor digitorum profundus Tendon of flexor pollicis longus

Question 30

Inverted prayer position to test for carpal tunnel syndrome | If pain then it is +

Answer 30

Phalens test

Question 31

23. Finkelstein’s Test

Answer 31

Used to detect De Quervain tendosynovitis An inflammation fo the synovial sheath of the abductor pollicis longus and extensor pollicis brevis, ulnar deviate wrist and tuck thumb into fist.

Question 32

avulsion fracture of the humerus results in_____-

Answer 32

subscapularis pulling the humerus into medial rotation

Question 33

Pain in snuffbox can indicate a _______ fracture which may affect the _____ artery, and can result in _______

Answer 33

scaphoid, radial ,necrosis

Question 34

Test FDP by

Answer 34

flexing only the distal phalanx

Question 35

Test FDS by

Answer 35

flexing the PIP and MP while keeping the DP extended