Lower Limb 1 - Station 3 and 4

Question 1

what is the femoral triangle

Answer 1

the armpit of the leg - depression below inguinal ligament

Question 2

medial boundary of femoral triangle

Answer 2

adductor longus

Question 3

lateral boundary of femoral triangle

Answer 3

sartorius

Question 4

base of the femoral triangle

Answer 4

inguinal ligament

Question 5

3 major structures in the femoral triangle

Answer 5

femoral vein, artery and nerve

Question 6

what fascia wraps around the femoral artery, vein and lymphatics (NOT NERVE)

Answer 6

femoral sheath

Question 7

3 compartments of femoral sheath and what’s contained in the

Answer 7

lateral –> femoral artery
intermediate –> femoral vein
medial –> femoral canal

Question 8

what’s in the femoral canal

Answer 8

loose connective tissue, fat and lymphatic vessels (sometimes a deep inguinal node)

Question 9

clinical significance of femoral ring (proximal opening of femoral canal)

Answer 9

site for femoral hernias

Question 10

true/false - a femoral hernia is more common in men than women

Answer 10

false - inguinal hernias are more common in men, not femoral hernias

Question 11

describe the course of the adductor canal

Answer 11

from femoral triangle it burrows a path under musculature till it passes through the adductor hiatus and passes posteriorly to the popliteal fossa

Question 12

landmark of femoral artery becoming popliteal artery

Answer 12

passing through the adductor hiatus

Question 13

contents of adductor canal

Answer 13

femoral artery, femoral vein, saphenous nerve adn nerve to vastus medialis

Question 14

start and end point of adductor canal

Answer 14

femoral triangle to popliteal fossa

Question 15

two major nerves of lumbar plexus you should be able to identify

Answer 15

femoral and obturator

Question 16

roots of lumbar plexus

Answer 16

L1-L4

Question 17

true/false - the femoral nerve is contained in the femoral sheath

Answer 17

false - vein and artery in sheath but NOT NERVE

Question 18

order of femoral triangle contents from lateral to medial

Answer 18

NAVEL
nerve
artery
vein
empty space
lymph vessels

Question 19

innervation of obturator nerve

Answer 19

medial compartment - adductors

Question 20

innervation of femoral nerve

Answer 20

anterior compartment - flexors/knee extensors

Question 21

what does the obturator nerve pass through to get into thigh

Answer 21

obturator canal

Question 22

roots of obturator and femoral nerves

Answer 22

L2-4