hand

Question 1

Double Oberlin transfer

Answer 1

ulnar nerve fascicles from FCU and median nerve fascicles from FDS/FCR to motor branch of biceps and brachial to allow for elbow flexion

Question 2

ulnar nerve lesion transfer

Answer 2

ain to motor branch of ulnar nerve due to poor prognosis of proximal ulnar nerve lesion for intrinsic hand

Question 3

EMG for compressive neuropathy

Answer 3

positive sharp waves
Fibrillations
Fasciculations

Question 4

abductor pollicis brevis

Answer 4

only muscle that is only median in the thenar group - test by palmar abduction away from index finger

Question 5

Carpal tunnel provocative sensitivity

Answer 5

Durkan>Phalen>Tinel

SW >2 point disc

Question 6

pronator syndrome vs CTS

Answer 6

palmar cutaneous branch involved pronator syndrome, , also has forearm pain and decreased palmar cutaneous distribution.

Question 7

AIN syndrome

Answer 7

weakness preceded by intense shoulder pain is parsonage tturner

Question 8

Radial tunnel syndrome

Answer 8

a pain syndrome, no motor or sensory deficit. Arcade of Frohse most common. wait 12 months to do surgery.

Question 9

brachial plexus roots

Answer 9

C5, 6, 7, 8, T1

Question 10

3 trunks brachial plexus

Answer 10

upper, middle, lower

Question 11

horners syndrome

Answer 11

preganglionic
C8-T1 avulsion
ptosis, mitosis, anhidrosis

Question 12

obstetric brachial plexus, if biceps and deltoid function return by when then expect full recovery

Answer 12

2 months

Question 13

wrist extension for radial nerve palsy tendon transfer

Answer 13

PT to ECRB

Question 14

radial nerve palsy, tendon transfer for finger extensor

Answer 14

FDS/FCR/FCU to EDC

Question 15

thumb extension tendon transfer for radial nerve palsy

Answer 15

FDS/FCR/orPL to EPL

Usually PL to EPL

Question 16

Brand tendon transfer for radial nerve palsy

Answer 16

PT to ECRB, PL to EPL, FCR to EDC

Question 17

carpal tunnel thenar atrophy

Answer 17

palmaris longus transfer to APB or into proximal phalanx(Camitz)

Question 18

huber transfer

Answer 18

congenital thenar ascent, abductor digiti minimi to APB or bone

Question 19

to restore pinch - tendon transfer for ulnar nerve palsy

Answer 19

ECRB to adductor policis

or FDS to adductor policis

Question 20

claw deformity transfer

Answer 20

FDS to provide flexion fo MCF , keep tendon volar to intermetacarpal ligament

Question 21

fingertip/nailbed injury % that have cold intolerance/hypersensitivity

Answer 21

50%

Question 22

secondary intention can heal what size for tip loss

Answer 22

1 cm squared

Question 23

fingertip injury - exposed bone with volar oblique

Answer 23

cross finger,
Moberg for thumb
thenar flap for child IF or LF

Question 24

digital island flap

Answer 24

can maintain sensory innervation for index or thumb

Question 25

finger tip - dorsal oblique or transverse

Answer 25

VY, Kutler, or bone shortening

Question 26

thumb injury

Answer 26

<1cm - secondary intension | >1 cm - Moberg, firstst dorsal metacarpal artery kite flap

Question 27

skin graft process

Answer 27

plasma imbibition, inosculation, and revascularization

Question 28

boutonnière from what

Answer 28

central slip rupture, triangular ligaments ruptured, elson test

Question 29

gap >what is risk for rupture in flexor tendon repair

Answer 29

3 mm

Question 30

number of core strands needed for early motion in tendon repair

Answer 30

4+epitendonous

Question 31

epitendous repair

Answer 31

increases strength (by 10-50%) and decreases gap

Question 32

radial height, inclination, tilt

Answer 32

11 height 22 inclination 11 tilt

Question 33

what is primary determinant o maintain alignment

Answer 33

age

Question 34

complication volar plating

Answer 34

FPL rupture (FDP index is second most common)

Question 35

stabilizers of DRUJ

Answer 35

``` RUPERT radioulnar lig ulnocarp lig PQ ECU Radius IOM TFCC ```

Question 36

TFCC radiulnar lig

Answer 36

``` superficial fibers (styloid) deep fibers (fovea)*** most important ```

Question 37

acceptable reduction for distal radius fx

Answer 37

radial shortening <3 mm dorsal tilt <10 degrees articular step off <2mm

Question 38

when would you go dorsal for distal radius fx

Answer 38

if also has a SL lig injury | direct visualization of articular surface

Question 39

most common complication after DRF is

Answer 39

median nerve dysfunction, needs a release

Question 40

most common intra articular injury for DRF

Answer 40

TFCC

Question 41

where does blood flow come for scaphoid

Answer 41

dorsal ridge

Question 42

operative treatment scaphoid

Answer 42

displacement >1mm | proximal pole

Question 43

volar for scaphoid

Answer 43

hump back maintains dorsal blood supply difficult to get screw centrally

Question 44

dorsal for scaphoid

Answer 44

proximal pole fx | vascularized bone graft (1-2 ICSRA)

Question 45

1-2 inter compartmental supraretinacular artery bone graft

Answer 45

for scaphoid pathology

Question 46

4th extensor compartmentment arter (longest pedicle)

Answer 46

for lunate pathology

Question 47

stages of SNAC

Answer 47

1 - radial styloid 2. radioscaphoid 3. SC/LC DJD 4. Pancarpal DJD