Focal Pheripheral Neuropathies

Question 1

femoral nerve injury most common cause

Answer 1

abdominal pr pelvic surgery

Question 2

inguinal ligament what movement is spared

what movement is affected?

Answer 2

Spared :
Affected:
Sensation: anterior though, medal leg

Question 3

longest branch of femoral nerve

Answer 3

saphenous nerve

Question 4

saphenous neuropathy

Answer 4

medial knee pain
abnormal sensation in medial aspect of leg and foot

Saphenous neuropathy - pure sensory syndrome with no medial

Question 5

what muscle does superior gluteal nerve innervate

Answer 5

Flute med , min and TFL

Question 6

Commonly injured in conjunction with femoral nerve

Answer 6

obturator

- compression from fracture or hernia

Question 7

obturator neuropathy injured

Answer 7

Wide bassed gait circumduct

Question 8

entrapment of sciatic nerve

Answer 8

piriformis 
injection 
hip trauma 
hip replacement 
pelvic fracture 
hematoma 
infection 
tumour 
radiation 
intramuscular  injection

Question 9

peroneal division of sciatic nerve above fibular next innervates

Answer 9

biceps femurs short head

Question 10

tibial innervated

Answer 10

long head, semi mem , semi tendinousus , adductor magnus ( with obturator)

Question 11

Tarsal tunnel syndrome

Answer 11

flexor retinaculum compresses tibial nerve , rare

Question 12

what contents of the tarsal tunnel

Answer 12

tibial nerve 
FHL 
FD 
tibitals posteiro 
Tibial N , posterior tibial artery , posterior artery 

Tom dick and very nervous Harry

Question 13

anterior tarsal tunnel syndrome

Answer 13

compression of the terminal deep perineal nerve at the talonavicular joint deep to EHL tendon or superior and extensor retinaculum

Trauma , tight shoes, boney abnormalities, res cavus

Weakness EDB
numbness 1st and 2nd foot

Question 14

total hip replacement - what is the most likely nerve injured and what would be second most likely

Answer 14

Sciatic - number one

Femoral second

Question 15

walking slap slap slap sound
what are you worried about?
what gait does she have?

Answer 15

foot drop

- steppage gait

Question 16

weakness of ankle dorsiflexors and ankle evverter s

Answer 16

common perineal neuropathy at the fibular head

Question 17

Ddx

Answer 17

L4,5 
polyneuropathy 
lumbosacral plecopathy 
sciatic nerve palsy 
MND 
intraspinal

Question 18

9 levels of NS

Answer 18

Cerebrum, 
BG 
Cerebellum 
brainstem
Cord 
plexus 
motor nerve 
NMJ 
Muscle

Question 19

treatment of fibular nerve

Answer 19

avoid further pressure or injury to nerve
+/- AFP
Occasional surgical release

Question 20

what do you call foot drop if its the LMN cause

Answer 20

spasticity

Question 21

if you can’t get a motor responds at EDB and what to assess fibular motor response what other muscle can you use?

Answer 21

tibitalis anterior
- also innervated by perineal nerve ( deep
Patient with foot drop it is weakness of TA that accounts for clinical deficit

Question 22

Common nerve injury in Lower extremity

Answer 22

Fibular nerve injury

Question 23

morton’s neuroma

Answer 23

irritation of the interdigital nerve at the MTP joint of foot
3rd and 4th digit

test: squeeze and put pressure b/w wedge

Question 24

Trendelnburg gait - nerve injury

Answer 24

superior gluteal nerve

Question 25

pain on left foot - where does the cane go?

Answer 25

right hand - so that the ground reaction force goes toward the good leg and away from bad leg

Question 26

piriformis pain DDX

Answer 26

trochanteric bursitis 
L5 ridiculopathy 
sciatica 
inflammatory arthritis 
fibromyalgia 
CRPS

Question 27

how do you stretch the piriformis muscle

Answer 27

figure 8 pose

Question 28

strawberry pickers palsy

Answer 28

common fibular palsy