Final

Question 1

Lumbosacral Plexus innervates?

Answer 1

Lower Abdomen and Lower Extremities

• Muscles
• Joints
• Skin
• Peritoneal lining

Question 2

Iliohypogastric Nerve Innervates?

Answer 2

-Skin over inferior abdomen and buttocks

Question 3

Ilioinguinal Nerve Innervates?

Answer 3

• Superior, medial thigh

- Portions of external genitalia

Question 4

Genitofemoral Nerve innervates?

Answer 4

Skin covering femoral hiatus

Skin on the scrotum or labia majora

Question 5

These nerves run through trans abdominis and internal oblique, then go superficial to rectus abdominis

Answer 5

Iliohypogastric
Ilioinguinal
Genitofemoral

Question 6

Iliohypogastric location

Answer 6

above groin crease

Question 7

Genitofemoral location

Answer 7

lateral groin below crease and genitals

Question 8

Ilioinguinal location

Answer 8

medial groin below crease

Question 9

Pudendal Nerve formed by? Innervates?

Answer 9

Anterior division of S2-S4

-muscle and skin of perineum

Question 10

Lateral Femoral Cutaneous Innervates?

Answer 10

Skin

-Lateral aspect of thigh to the level of the knee

Question 11

Posterior Femoral Cutaneous Nerve Innervates?

Answer 11

Skin

• Posterior thigh
• Hip to mid calf

Question 12

innervates Many muscles of thigh
Articular branches to hip
- Controls adduction, flexion and extension of hip
Cutaneous branches to the skin 
- Medial thigh

Answer 12

Obturator Nerve

Question 13

Femoral nerve Innervates? location to groin crease?

Answer 13

Muscles
-Rectus femoris
-Vastus lateralis
-Vastus Intermedius
-Vastus medialis
-Sartorious
Skin
-Anterior thigh
Stimulation
-Sartorious muscle contraction (bandlike across thigh)
-Patellar twitch (snap) over knee

At femoral crease just below inguinal ligament
-VAN vein artery nerve coming from penis/vagina going laterally (medial to lateral)

Question 14

Where does femoral nerve run down leg?

Answer 14

adductor canal (runs under rectus femoris)

Question 15

Saphenous Nerve Innervates?

Answer 15

Medial leg from knee to the arch of the foot

Question 16

Sciatic Nerve Innervates?

Answer 16

Hip Extension

Flexion of knee

Question 17

Tibial Nerve branches into?

Answer 17

Medial plantar nerve
Lateral plantar nerve
-Two branches innervate plantar surface of foot

Question 18

Popliteal block blocks what?

Answer 18

blocks tibial and common peroneal nerves

Question 19

Sural Nerve innervates?

Answer 19

Innervates

• Posterior sole of foot
• Posterior heel
• Achilles tendon above ankle

Question 20

5 nerves at ankle? Which ones deep?

Answer 20

saphenous, tibial, superficial/deep peroneal, sural

deep peroneal (posterior to front tendon on ankle)
tibial (just posterior to PT pulse)

Question 21

Draw cutaneous leg innervation

Answer 21

.

Question 22

Femoral Nerve Block indications?

Answer 22

Anterior aspect of thigh
Superficial surgery on medial aspect of leg and below knee
Knee arthroscopy (need to add sciatic block to it)

Question 23

Femoral Nerve Block contraindications?

Answer 23

Previous ilioinguinal surgery
-Femoral vascular graft, kidney transplant
Large inguinal lymph nodes or tumor
Local infection
Neuropathy?

Question 24

Sciatic Nerve Block indications? Location?

Answer 24

• Lower limb surgery
• Often combined with other blocks (femoral)
• If for lower leg preferable to go lower for block like popliteal block

line from femoral head to illiac crest, then 4cm posterior center

Question 25

Popliteal Block indications? location?

Answer 25

Lower leg surgery Especially foot and ankle May require saphenous coverage 7-8cm cephalad of popliteal fossa crease

Question 26

which nerves innervate Parietal peritoneum?

Answer 26

lliohypogastric | Ilioinguinal