LE compression neuropathy

Question 1

sensory- L1, L4, L5, S1, S2

Answer 1

• L1- inguinal region
• L4- patella, anteromedial leg
• L5- anterolateral leg
• S1- 5th digit, calcaneus
• S2- posterior thigh

Question 2

Motor- hip- flex, ext, abduction and ext rotation, adduction and int rotation

Answer 2

• flexion- L1-3
• ext- L5, S1
• abduction, ext rotation- L5, S1
• adduction, int rotation- L1-3

Question 3

motor- knee- flex, ext

Answer 3

• flex- L5, S1

- ext- L3, 4

Question 4

motor- ankle- dorsiflexion, plantarflexion, inversion, eversion

Answer 4

• dorsiflexion- L4,5
• plantarflexion- S1,2
• inversion- L4,5
• eversion- L5, S1

Question 5

toes- flexion, ext

Answer 5

• ext- L5, S1 (deep fibular n)

- flexion- S1, S2 (tibial n)

Question 6

reflexes- patellar, achilles

Answer 6

• patellar- L4

- achilles- S1

Question 7

meralgia paresthetica- n compressed? motor/sensory presentation?

Answer 7

lateral femoral cutaneous n- L2-3

• lateral leg sensory
• anterior hip dysfxn
• flexion SD

Question 8

Common fibular n compression- n compressed? motor/sensory presentation

Answer 8

common fibular/peroneal n- L4-2

• knee flexion
• lateral leg, dorsum of foot
• posterior fibular head
• gastroc/soleus m dysfxn
• biceps femoris m dysfxn

Question 9

anterior tarsal tunnel syndrome- n compressed? motor/sensory presentation

Answer 9

deep fibular n- L4-S2

• ankle dorsiflexion, toe extension
• dorsum of foot, skin b/w 1st and 2nd toe
• cuboid-navicular dysfxn
• extensor retinaculum

Question 10

tarsal tunnel syndrome- n compressed? motor/sensory presentation

Answer 10

posterior tibial n- L4-S3

• plantar flexion
• bottom of foot
• flexor retinaculum
• eversion SD of ankle

Question 11

CS for fibular head and ankle/foot

Answer 11

• lateral malleolus
• medial malleolus
• ankle flexion
• ankle extension

Question 12

tx for meralgia paresthetica

Answer 12

(flexion hip dysfxn)

• ME
• MFR