Nerve Entrapmemts

Question 1

Femoral nerve

Answer 1

Anterior abdominal wall as it passes under the Inguinal ligament

Femoral triangle

Can be during abd and ER during vaginal deliveries

Results in weakness in knee ext and hip flx
Sensation of medial knee/anterior thigh

Question 2

Obturator nerve

Answer 2

Obturator foramen

Trauma- child birth, pelvic trauma/surgery

Weak adduction
Sensation of medial thigh

Question 3

Saphenous nerve

Answer 3

Adductor canal

Knee pain

Question 4

Piriformis syndrome

Answer 4

Sciatic nerve under piriformis

Question 5

Common fibular (peroneal) neuropathy

Answer 5

Around the fibular head, popliteal space

Question 6

Fibular neuropathy (superficial branch)

Answer 6

As it passes through the deep fascia of the antero lateral leg to become subcutaneous

Can occur with inversion ankle sprains

Question 7

Fibular neuropathy (deep)

Answer 7

Anterior compartment

Question 8

Ski boot syndrom (anterior tarsal tunnel syndrome)
Deep fibular (peroneal)

Answer 8

At the ankle likely from tight fitting shoes

Provides motor to the EDB and EHB
Sensation to the web space between the great and 2nd toes

Question 9

Tarsal tunnel syndrome

Medial/lateral plantar nerve

Answer 9

Compressed at the ankle

Question 10

Sural nerve

Answer 10

Cutaneous as it passes through the deep investing fascia of the leg or tight boots

Question 11

Meralgia parestherica

Answer 11

Lateral femoral cutaneous nerve

ASIS as it passes under the I guitar ligament