nerve entrapments

Question 1

what is meralgia paresthetica? and what nerve entrapment is it associated with?

Answer 1

a condition that causes tingling, numbness, and burning pain in the outer thigh

lateral femoral cutaneous nerve entrapment

Question 2

what are the causes of a lateral femoral cutaneous nerve entrapment?

Answer 2

tight clothing
obesity or weight gain
pregnancy
local trauma
disease (diabetes)

Question 3

what type of nerve pain/sensation is associated with lateral femoral cutaneous nerve entrapment?

Answer 3

paresthesia (pins and needles) and/or decreased sensation

Question 4

what nerve levels are associated with the lateral femoral cutaneous nerve entrapment?

Answer 4

L2 L3

Question 5

what levels are associated with the femoral nerve entrapment?

Answer 5

L2 L3 L4

Question 6

what are the four entrapment sites for the femoral nerve?

Answer 6

beneath iliopsoas tendon
inguinal ligament
femoral triangle
adductor canal

Question 7

what is an obturator nerve entrapment?

Answer 7

injury to the nerve as it passes through the obturator canal - covered by obturator membrane n the obturator foramen

Question 8

what are some causes of an obturator nerve entrapment?

Answer 8

anterior hip dislocation
prostate surgery

Question 9

what muscle actions and areas of sensations are affected by an obturator nerve entrapment?

Answer 9

difficulty adducting the thigh (cross legs while sitting)

decreased sensation over upper medial thigh (not at the knee joint)

Question 10

what is the cause of the superior gluteal nerve entrapment?

Answer 10

piriformis muscle compression

Question 11

what is the presentation of a superior gluteal nerve entrapment?

Answer 11

achy-type claudication buttock pain (pain, aching, or fatigue)

waddling gait

TTP (tender to palpation)

Question 12

what injury is presented with a superior gluteal nerve entrapment?

Answer 12

Trendelenburg

Question 13

what is the cause of a deep fibular nerve entrapment? and what physical symptoms does it present?

Answer 13

excessive use of muscles supplied by the deep fibular nerve may result in muscle injury and edema in the anterior compartment

Question 14

when can tight fitting ski boots cause a deep fibular nerve entrapment?

Answer 14

when the nerve passes deep to the inferior extensor retinaculum and the extensor hallucis brevis

Question 15

where does pain occur for a deep fibular nerve entrapment?

Answer 15

the dorsum of the foot and usually radiates to the web space between the 1st and 2nd toes

Question 16

what nerve entrapment is associated with ski booth syndrome?

Answer 16

skiiers, soccer players, and runners with tight shoes

Question 17

can you still perform ADLs even with a deep fibular nerve entrapment?

Answer 17

yes

Question 18

what can cause a superficial fibular nerve entrapment? and why?

Answer 18

chronic ankle sprains may produce recurrent stretching of the superficial fibular nerve

Question 19

where does pain occur for a superficial fibular nerve entrapment?

Answer 19

lateral side of the leg and the dorsum of the ankle and foot

Question 20

what sensory symptoms may occur with a superficial fibular nerve entrapment?

Answer 20

numbness and paresthesia

Question 21

what nerve levels are affected with a superficial gluteal nerve entrapment?

Answer 21

L4-S1

Question 22

what is a symptom of pudendal nerve entrapment?

Answer 22

chronic, severely disabling neuropathic pain

perineal pain with sitting

Question 23

what population can a pudendal nerve entrapment affect?

Answer 23

males and females

Question 24

how can a pudendal nerve entrapment occur?

Answer 24

rubs on sacrospinous ligament

Question 25

what ligament can you use to find the pudendal nerve?

Answer 25

sacrospinous ligament

Question 26

where does the pudendal nerve exit?

Answer 26

between the SS and ST ligaments

Question 27

where does the pudendal nerve travel?

Answer 27

over the sacrospinous ligament and through the pudendal canal formed by the obturator fascia and sacrotuberous ligament

Question 28

where does the pudendal nerve emerge? and what does it innervate?

Answer 28

inferior to the pubic bone to innervate the perinium and genitalia

Question 29

what are symptoms of a sural nerve entrapment?

Answer 29

achy posterolateral calf pain
neuropathic pain in sural nerve distribution

Question 30

what is the location of a lateral femoral cutaneous nerve entrapment?

Answer 30

2 cm inferior of the inguinal ligament

Question 31

what muscles are affected by an obturator nerve entrapment?

Answer 31

obturator externus
adductor magnus, adductor part
adductor longus
gracilis

Question 32

what levels are the superior gluteal nerve?

Answer 32

L4 L5 S1

Question 33

what are sural nerve entrapment sites?

Answer 33

fibrous arcade at lower lateral leg

Baker Cyst

Gastroc strains

Fx of 5th metatarsal

Question 34

what are symptoms of a sural nerve entrapment?

Answer 34

achy posterolateral calf pain
neuropathic pain in sural nerve distribution

Question 35

what movements cause pain on the sural nerve?

Answer 35

ankle dorsiflexion and inversion

Question 36

what causes a medial plantar entrapment?

Answer 36

compression irritation as it passes deep to the flexor retinaculum, or curves deep to the abductor hallucis

Question 37

what physical symptoms are associated with medial plantar nerve entrapment (Baxter’s Neuropathy)? and where does it occur?

Answer 37

aching, burning, numbness, and tingling on the medial side of the sole of the food and in navicular tuberosity region

Question 38

what actions cause the Baxter’s Neuropathy to occur?

Answer 38

repetitive eversion of the foot (during gymnastics and running)

Question 39

what nerve levels are affected by Baxtar’s neuropathy?

Answer 39

L5 S1

Question 40

what nerve entrapment is also called “jogger’s foot”?

Answer 40

medial plantar nerve entrapment