Neurovasculature of Leg

Question 1

What do the common iliac arteries bifurcate into?

Answer 1

Internal and external iliac arteries

Question 2

Which artery do the superior and inferior gluteal arteries branch from?

Answer 2

Internal iliac artery

Question 3

Which arteries form the trochanteric anastomosis?

Answer 3

Superior gluteal artery, medial circumflex femoral artery and lateral circumflex femoral artery

Question 4

Which artery are the medial and lateral circumflex femoral arteries branches of?

Answer 4

Profunda femoris

Question 5

Which artery supplies the anterior compartment of the thigh?

Answer 5

Femoral artery

Question 6

What is the femoral artery a continuation of?

Answer 6

External iliac artery

Question 7

Which artery supplies the posterior compartment of the thigh?

Answer 7

Perforating arteries

Question 8

Which artery do the four perforating arteries branch off?

Answer 8

Profunda femoris

Question 9

Which artery supplies the medial compartment of the thigh?

Answer 9

Obturator artery

Question 10

Which artery is the obturator artery a branch of?

Answer 10

Internal iliac artery

Question 11

Where does the femoral artery become the popliteal artery?

Answer 11

At adductor hiatus

Question 12

Flexion of the knee compresses which artery?

Answer 12

Popliteal artery

Question 13

Which arteries make up the genicular anastomosis?

Answer 13

Superior lateral genicular artery
Superior medial genicular artery
Middle genicular artery
Inferior lateral genicular artery
Inferior medial genicular artery

Question 14

Which artery supplies the anterior compartment of the lower leg?

Answer 14

Anterior tibial artery

Question 15

Which artery supplies the posterior compartment of the lower leg?

Answer 15

Posterior tibial artery

Question 16

Which artery supplies the lateral compartment of the lower leg?

Answer 16

Fibular artery

Question 17

The anterior tibial artery is a branch of which artery?

Answer 17

Popliteal artery

Question 18

The posterior tibial artery is a branch of which artery?

Answer 18

Popliteal artery

Question 19

The fibular artery is a branch of which artery?

Answer 19

Posterior tibial artery

Question 20

What is the continuation of the anterior tibial artery called?

Answer 20

Dorsalis pedis artery

Question 21

Which artery supplies the dorsal aspect of the foot?

Answer 21

Dorsalis pedis artery

Question 22

Which arteries supplies the plantar aspect of the foot?

Answer 22

Medial and lateral plantar arteries

Question 23

The medial and lateral plantar arteries are branches of which artery?

Answer 23

Posterior tibial artery

Question 24

Which arteries make up the deep plantar arch?

Answer 24

Deep plantar branch of dorsalis pedis and lateral plantar artery

Question 25

Where does the great saphenous vein run?

Answer 25

Anteromedial aspect of leg

Question 26

What vein does the great saphenous vein drain into?

Answer 26

Femoral vein

Question 27

Where does the small saphenous vein run?

Answer 27

Posterior aspect of the lower leg

Question 28

Which vein does the small saphenous vein drain into?

Answer 28

Popliteal vein

Question 29

Which three deep veins join to form the popliteal vein?

Answer 29

Anterior tibial, posterior tibial and fibular veins

Question 30

Where do the perforating veins take the blood?

Answer 30

From superficial veins to deep veins

Question 31

What forms the lumbar plexus?

Answer 31

Anterior rami of L1-L4

Question 32

What are the two main nerves that come from the lumbar plexus?

Answer 32

Obturator nerve and femoral nerve

Question 33

Which compartment of the lower limb does the obturator nerve supply?

Answer 33

Medial compartment of thigh

Question 34

Which compartment of the lower limb does the femoral nerve supply?

Answer 34

Anterior compartment of thigh

Question 35

What forms the sacral plexus?

Answer 35

Anterior rami of L4-S5 and lumbosacral trunk (branch of L4 anterior ramus that joins L5)

Question 36

What are the three main nerves that come from the sacral plexus?

Answer 36

Sciatic nerve (L4-S3), superior gluteal nerve (L4-S1) and inferior gluteal nerve (L5-S2)

Question 37

What does the sciatic nerve bifurcate into?

Answer 37

Tibial nerve and common fibular nerve

Question 38

Which divisions of the anterior rami form the tibial nerve?

Answer 38

Anterior divisions

Question 39

Which divisions of the anterior rami form the common fibular nerve?

Answer 39

Posterior divisions

Question 40

Which compartment of the lower limb is supplied by tibial nerve?

Answer 40

Posterior compartment of lower leg

Question 41

The tibial nerve birfurcates into which two nerves?

Answer 41

Medial and lateral plantar nerves

Question 42

The common fibular nerve birfurcates into which two nerves?

Answer 42

Deep and superficial branches

Question 43

Which compartment of the lower limb is supplied by the deep branch of the common fibular nerve?

Answer 43

Anterior compartment of lower leg

Question 44

Which compartment of the lower limb is supplied by the superficial branch of the common fibular nerve?

Answer 44

Lateral compartment of lower leg

Question 45

What does injury to the common fibular nerve cause?

Answer 45

Foot drop - loss of dorsiflexion | Sensory loss to dorsal surface of foot and anterior, lower leg