Extremity Anatomy

Front 1

fracture surgical neck

Back 1

axillary nerve

Front 2

dislocation of humerus

Back 2

axillary nerve

Front 3

compressed by cervical rib or Pancoast tumor

Back 3

lower trunk of brachial plexus

Front 4

Klumpke's palsy

Back 4

lower trunk of brachial plexus (C8, T1)

Front 5

artery affected by Klumpke's palsy

Back 5

subclavian artery

Front 6

Klumpke's palsy

Back 6

atrophy of thenar and hypothenar eminences
atrophy of interosseous muscles
sensory deficits on medial side of forearm and hand
disappearance of radial pulse upon moving head to opposite side of lesion

Front 7

saturday night palsy

Back 7

radial nerve

Front 8

crutches

Back 8

radial nerve

Front 9

loss arm abduction at shoulder

Back 9

axillary nerve

Front 10

loss sensory over deltoid

Back 10

axillary nerve

Front 11

flattened deltoid

Back 11

axillary nerve

Front 12

midshaft fracture of humerus

Back 12

radial nerve

Front 13

distribution radial nerve

Back 13

C5-C8

Front 14

distribution axillary nerve

Back 14

C5-C6

Front 15

loss wrist extension

Back 15

radial nerve

Front 16

loss finger extension at MCP

Back 16

radial nerve

Front 17

loss supination

Back 17

radial nerve

Front 18

loss thumb extension and abduction

Back 18

radial nerve

Front 19

loss sensation posterior arm and dorsal hand and dorsal thumb

Back 19

radial nerve

Front 20

wrist drop

Back 20

radial nerve

Front 21

supracondylar fracture of humerus

Back 21

median nerve

Front 22

compressed in deep forearm

Back 22

anterior interosseus nerve

Front 23

carpal tunnel syndrome

Back 23

median nerve

Front 24

compressed when lunate dislocated

Back 24

median nerve

Front 25

superficial lesion of palm of hand

Back 25

recurrent branch of median nerve

Front 26

distribution of median nerve

Back 26

C6-T1

Front 27

opposition of thumb lost

Back 27

median nerve

Front 28

loss lateral finger flexion

Back 28

median nerve

Front 29

loss wrist flexion

Back 29

median nerve

Front 30

loss sensation dorsal and palmar aspects of lateral 3.5 fingers and thenar eminence

Back 30

median nerve

Front 31

distal lesion will cause loss of dorsal and palmar aspect of lateral 3.5 fingers

Back 31

median nerve

Front 32

proximal lesion will cause ape hand (loss of opponens pollicis muscle function - cannot abduct thumb)

Back 32

median nerve

Front 33

distal lesion will cause ulnar deviation of wrist upon wrist flexion

Back 33

median nerve

Front 34

trauma to heel of hand

Back 34

ulnar N.

Front 35

fracture of hook of hamate

Back 35

ulnar N

Front 36

subluxation of radius

Back 36

deep branch of radial nerve

Front 37

fracture of medial epicondyle of humerus

Back 37

ulnar nerve

Front 38

proximal lesion leads to lost of medial finger flexion and wrist flexion

Back 38

ulnar nerve

Front 39

distal lesion leads to loss of abduction and adduction of fingers (interossei), adduction of thumb, extension of 4th and 5th fingers (lumbricals)

Back 39

ulnar nerve

Front 40

loss of sensation in medial 1.5 fingers and hypothenar eminence

Back 40

ulnar nerve

Front 41

radial deviation of wrist upon wrist flexion

Back 41

ulnar nerve

Front 42

pope's blessing

Back 42

ulnar nerve

Front 43

distribution of ulnar nerve

Back 43

C8-T1

Front 44

loss of flexion of arm at elbow

Back 44

musculocuteanous nerve

Front 45

loss of sensation on lateral forearm

Back 45

musculocutaneous

Front 46

distribution of musculocutaneous

Back 46

C5-C7

Front 47

loss of lateral lumbrical function (2 & 3)

Back 47

median nerve

Front 48

loss of medial lumbrical function (4 & 5)

Back 48

ulnar nerve

Front 49

claw hand

Back 49

lesion of lower trunk because loss of all lumbricals

Front 50

anterior hip dislocation

Back 50

obturator nerve

Front 51

loss thigh adduction

Back 51

obturator

Front 52

loss sensation medial thigh

Back 52

obturator nerve

Front 53

pelvic fracture

Back 53

femoral nerve

Front 54

loss thigh flexion and leg extension

Back 54

femoral nerve

Front 55

loss sensation anterior thigh and medial leg

Back 55

femoral nerve

Front 56

trauma to lateral aspect of leg or fibula neck fracture

Back 56

common peroneal nerve

Front 57

loss foot eversion and dorsiflexsion; toe extension

Back 57

common peroneal nerve

Front 58

loss sensation anterolateral leg and dorsal aspect of foot

Back 58

common peroneal nerve

Front 59

knee trauma

Back 59

tibial nerve

Front 60

loss foot inversion and plantarflexion; toe flexion

Back 60

tibial nerve

Front 61

loss sensation of sole of foot

Back 61

tibial nerve

Front 62

posterior hip dislocation or polio

Back 62

superior gluteal nerve

Front 63

loss thigh abduction (+ Trendelenburg sign)

Back 63

superior gluteal nerve

Front 64

posterior hip dislocation

Back 64

inferior gluteal nerve

Front 65

can't jump, climb stairs, or rise from seated postion

Back 65

inferior gluteal nerve