peripheral nerve systems

Question 1

neuropraxia

Answer 1

segmental demyelination
transient disruption
fast recovery w good prognosis

Question 2

axonotmesis

Answer 2

loss of axon continuity
prolonged disruption
longer recovery w fair prognosis

Question 3

neurotmesis

Answer 3

completely severed

recovery w surgery w variable prognosis

Question 4

pathology of peripheral nerve injury

Answer 4

compression
traction
avulsion
laceration

Question 5

S/S peripheral nerve injury

Answer 5

altered/absent sensation in nerve distribution 
decreased strength of innervated mm
diminished reflex
sympathetic changes
special tests

Question 6

lateral cutaneous nerve
segments
motor or sensory

Answer 6

L2/3

sensory lateral thigh
tight jeans

Question 7

obturator nerve segments

motor or sensory

Answer 7

L2-4

motor: adductors
sensory: skin of medial thigh

Question 8

femoral nerve
segments
motor or sensory

Answer 8

L2-4
motor: anterior thigh, hip flexors and knee extensors

sensory: skin covering these mm

Question 9

sciatic nerve
segments
motor or sensory

Answer 9

L4-S3
motor: mm of posterior thigh

sensory: none but indirectly skin of lateral leg, heal and foot

Question 10

Whats two things that comes off the sciatic nerve

Answer 10

tibial nerve and common peroneal nerve

Question 11

what effects common peroneal nerve

Answer 11

tight cast, so you’ll see a foot drop

Question 12

acute nerve injury treatment

Answer 12

immobilize / unnload
splint/brace/tape
movement
education

Question 13

recovery phase of nerve injury

Answer 13

motor training
desensitization
discriminative sensory re education

Question 14

chronic phase of nerve injury management

Answer 14

compensatory function

preventive care

Question 15

types of TOS

Answer 15

arterial 
venous
traumatic neurovascular
true neurogenic
disputed TOS

Question 16

key impingement areas in TOS

Answer 16

Scalene triangle
costoclavicular space
axillary interval

Question 17

Etiology of TOS

Answer 17

congenital abnormalities

Trauma

Question 18

vascular TOS arterial pathology

Answer 18

compression of subclavian

Question 19

vascular TOS arterial ethology

Answer 19

bony anomaly (ie. cervical rib)

Question 20

vascular TOS arterial S/S

Answer 20

chronic UE ischemia 
pain w effort
cool to touch
decreased cap refill 
decreased pulse
tissue necrosis

Question 21

vascular TOS venous patho

Answer 21

venous thrombosis involving subclavian axillary veins

Question 22

When does vascular TOS venous happen

Answer 22

sudden onset young healthy person after UE exertion

Question 23

acute occlusion

Answer 23

diffuse UE swelling
cyanosis
pain

Question 24

chronic thrombosis

Answer 24

venous collateral formation

dilated veins in neck chest shoulder

Question 25

True neurological TOS high or lower plexus

Answer 25

lower (c8-t1 nerve roots to lower trunk)

Question 26

S/S true neurological TOS

Answer 26

C8-t1 motor /sensory changes | hand wasting

Question 27

when does traumatic neuromuscular TOS happen

Answer 27

clavicle fracture

Question 28

Disputed or Symptomatic TOS

Answer 28

compression or traction of brachial plexus

Question 29

Disputed or Symptomatic TOS results in

Answer 29

scalene mm fibrosis scar tissue mm imbalance

Question 30

lower plexus disputed TOS type

Answer 30

pain in neck or supraclavicular region along medial UE

Question 31

upper plexus type TOS

Answer 31

pain in shoulder radiates to neck, thorax

Question 32

symptomatic TOS clinical presentation

Answer 32

decreased scap mm control, strength n substation recruitment

Question 33

conservative treatment TOS

Answer 33

``` decrease compression increase extensibility of tight tissue mobilize restricted joints strengthen posture education breathing education ```

Question 34

how are arterial, venous true and neurogenic and traumatic TOS treated

Answer 34

surgical

Question 35

injury to a nerve root vs peripheral nerve

Answer 35

nerve root - radiculopathy peripheral - periperhal neuropathy