LE

Question 1

Where does majority of the LE blood supply come from?

Answer 1

Femoral artery

Question 2

Where does the Femoral artery come from?

Answer 2

External Iliac artery

Question 3

What is the first branch that comes off the Femoral artery?

Answer 3

Deep femoral artery

Question 4

Where does the deep femoral artery perfuse?

Answer 4

Entire thigh

Question 5

After giving off deep femoral artery what does the femoral artery go through?

Answer 5

Adductor canal

Question 6

After passing through the adductor canal what does the femoral artery go through next?

Answer 6

adductor hiatus

Question 7

After passing through the adductor hiatus what is the femoral artery now known as?

Answer 7

Popliteal artery

Question 8

Where do you find the popliteal artery?

Answer 8

popliteal fossa

Question 9

What does the popliteal artery branch into after passing through the popliteal fossa?

Answer 9

anterior and posterior tibial artery

Question 10

What does the posterior tibial artery continue inferiorly into where and how?

Answer 10

into the foot posterior/medially to the ankle through the tarsal tunnel

Question 11

When the posterior tibial artery enters through the tarsal tunnel what structure does it articulate as it enters?

Answer 11

under sustentaculum tali of the calcanius bone

Question 12

After the posterior tibial artery travels under sustentaculum tali what does it split into?

Answer 12

medial and lateral plantar artery

Question 13

What branches off the posterior tibial artery prior to entering the foot?

Answer 13

fibular artery

Question 14

Where does the fibular artery perfuse?

Answer 14

lateral portion of the leg

Question 15

After the anterior tibial artery enters the foot what does it become?

Answer 15

dorsalis pedis

Question 16

How does the dorsalis pedis enter the foot?

Answer 16

anterior portion of the ankle

Question 17

What nerves supplies the anterior thigh? what does it travel with?

Answer 17

femoral nerve along femoral artery

Question 18

What nerve supplies the anterior compartment of the leg? what does it travel with?

Answer 18

deep fibular nerve along anterior tibial artery

Question 19

What perfuses the anterior compartment of the leg?

Answer 19

anterior tibial artery

Question 20

What perfuses the posterior compartment of the leg?

Answer 20

posterior tibial artery

Question 21

What nerve innervates the posterior compartment of the leg? what does it travel with?

Answer 21

Tibial nerve along posterior tibial artery

Question 22

What nerve innervates the anterior compartment of the leg? what does it travel with?

Answer 22

superficial fibular nerve along with fibular artery

Question 23

What nerve innervates the medial aspect of the foot of the plantar surface? what does it travel with?

Answer 23

medial plantar nerve along with medial plantar artery/vein

Question 24

What nerve innervates the lateral aspect of the foot of the plantar surface? what does it travel with?

Answer 24

lateral plantar nerve along with lateral plantar artery/vein

Question 25

What two nerves innervate the dorsal of the foot?

Answer 25

Deep fibular nerve and superficial fibular nerve

Question 26

What are nerves in the gluteal region?

Answer 26

inferior gluteal nerve | superior gluteal nerve

Question 27

What opening does the inferior/superior gluteal nerve travel through?

Answer 27

greater sciatic foramen

Question 28

How is the greater sciatic foramen bisected?

Answer 28

separated by the piriformis muscle

Question 29

What is the areas bisected by the piriformis muscle in the greater sciatic foramen?

Answer 29

infra/suprapiriformis structures

Question 30

What is the suprapiriformis structure?

Answer 30

superior gluteal nerve/artery/vein

Question 31

What is the infrapiriformis structure?

Answer 31

``` PIPS inferior gluteal nerve pudendal nerve posterior femoral cutaneous nerve sciatic nerve ```

Question 32

Where does the superior gluteal artery/vein branch off from?

Answer 32

internal iliac artery/vein

Question 33

What does the superior gluteal nerve do?

Answer 33

innervates gluteus minimus, medius, and tensor fasciae lata

Question 34

What nerve roots does the superior gluteal nerve come from?

Answer 34

L4, L5, S1

Question 35

What does the inferior gluteal nerve do?

Answer 35

innervates the gluteus maximus

Question 36

What nerve roots does the inferior gluteal nerve come from?

Answer 36

L5, S1, S2

Question 37

Wh nerve roots does the pudendal nerve come from?

Answer 37

L4, L5, S1, S2, S3, S4

Question 38

What is the course of the pudendal nerve?

Answer 38

starts as infrapiriform structure, travels back into lesser sciatic foramen

Question 39

what closes off the sciatic foramens?

Answer 39

sacro-spinous ligament and sacro-tubaris ligament

Question 40

what is the function of the pudendal nerve?

Answer 40

external sphincter of the urethra and anus

Question 41

What is the function of the posterior femoral cutaneous nerve?

Answer 41

sensation of the posterior thigh

Question 42

What are the two nerves that make up the sciatic nerve?

Answer 42

tibial and the common fibular portion of the sciatic nerve

Question 43

How does the sciatic nerve innervate the posterior aspect of the posterior thigh?

Answer 43

- common fibular portion of the sciatic nerve innervates the short head of biceps femorus - tibial portion of the sciatic nerve innervates the rest of the hamstring muscles

Question 44

What group of muscles is the sciatic nerve deep to?

Answer 44

hamstring

Question 45

The two nerves of the sciatic nerve will remain together until what portion to bifricate?

Answer 45

popliteal fossa

Question 46

Once split of the sciatic nerve, which will travel straight inferiorly?

Answer 46

tibial nerve

Question 47

What muscles are surrounding the tibial nerve and how are they oriented?

Answer 47

soleus muscle is superficial to the nerve | tibialis posterior muscle is deep to the nerve

Question 48

Once split of the sciatic nerve, which will travel laterally to the fibular head?

Answer 48

common fibular nerve

Question 49

once at the fibular head what does the common fibular nerve split into?

Answer 49

superficial and deep fibular nerve

Question 50

The superficial fibular nerve goes to which compartment?

Answer 50

lateral aspect of the leg

Question 51

What are the lateral leg muscles that are being innervated by the superficial fibular nerve?

Answer 51

fibularis longus | fibularis brevis

Question 52

The superficial fibular nerve will leave the lateral compartment and then go where?

Answer 52

dorsum of the foot