Lower Limb 1 (part 3)

Question 1

what forms the femoral artery

Answer 1

external iliac artery passing deep to the inguinal ligament

Question 2

The femoral artery gives rise to the profunda femoris artery which branches off _________ and ___________ __________ arteries

Answer 2

medial and lateral circumflex

Question 3

what does the obturator artery pass through?

Answer 3

the obturator foramen

Question 4

what forms the popliteal artery?

Answer 4

the femoral artery passing posteriorly through the adductor hiatus

Question 5

How does the popliteal artery supply the knee?

Answer 5

via geniculate branches

Question 6

What does the popliteal artery give rise to?

Answer 6

posterior tibial artery, fibular artery, anterior tibial artery

Question 7

The popliteal artery becomes the ________________ artery after passing through the interosseus membrane

Answer 7

anterior tibial artery

Question 8

The anterior tibial artery continues onto the dorsum of the foot as the ________ _______ to form the _____ and ________ __________ arteries

Answer 8

dorsalis pedis, arcuate and dorsal metatarsal arteries

Question 9

Where does the end of the dorsalis pedis penetrate?

Answer 9

sole of the foot

Question 10

what does the posterior tibial artery divide into?

Answer 10

medial and lateral plantar arteries

Question 11

the lateral plantar artery anastomoses with the ____ _____ artery to form the _________ arch and ________ arteries

Answer 11

dorsalis pedis, plantar, digital

Question 12

what are the superficial veins of the lower limb?

Answer 12

dorsal metatarsal, dorsal venous arch, small saphenous vein, great saphenous vein

Question 13

what are the deep veins of the lower limb?

Answer 13

dorsalis pedis, anterior tibial vein, plantar digital veins, deep plantar arch, posterior tibial vein, fibular vein, popliteal vein, femoral vein, medial and lateral circumflex veins, profunda femoris vein

Question 14

what forms the external iliac vein?

Answer 14

femoral vein passing deep to the inguinal ligament

Question 15

what forms the common iliac vein

Answer 15

external iliac vein anastomosing with the internal iliac vein

Question 16

what is the lumbar plexus comprised of?

Answer 16

ventral rami of T12, L1-4

Question 17

what innervates the psoas and lateral thigh skin

Answer 17

anterior branches of L1-L3, lateral femoral cutaneous nerve

Question 18

what 2 major nerves does the lumbar plexus give rise to?

Answer 18

femoral and obturator nerves

Question 19

the femoral nerve passes under the __________ ligament

Answer 19

inguinal ligament

Question 20

what does the femoral nerve innervate?

Answer 20

anterior thigh muscles
skin of anteromedial thigh
anteromedial leg
medial foot

Question 21

the obturator nerve passes through the ________ foramen

Answer 21

obturator

Question 22

what does the obturator nerve innervate

Answer 22

medial thigh muscles, skin of medial thigh

Question 23

what is the sacral plexus comprised of?

Answer 23

ventral rami of L4-S4

Question 24

what nerve innervates the gluteus medius, gluteus minimus, and tensor fascia lata muscles? plexus?

Answer 24

superior gluteal nerve, sacral plexus

Question 25

what nerve innervates the gluteus maximus? plexus?

Answer 25

inferior gluteal nerve, sacral plexus

Question 26

what nerve innervates the piriformis? plexus?

Answer 26

nerve to piriformis, sacral plexus

Question 27

what nerve innervates the posterior thigh? plexus?

Answer 27

clunial nerves, sacral plexus

Question 28

the sciatic nerve passes through the _________ _________ foramen and under the _____________ and enters the ________ thigh

Answer 28

greater sciatic foramen, piriformis, posterior

Question 29

what does the sciatic nerve innervate?

Answer 29

biceps femoris, semitendinosus, semimembranosus

Question 30

what does the sciatic nerve divide into? where?

Answer 30

tibial nerve, common fibular nerve
above the popliteal fossa

Question 31

what does the tibial nerve innervate?

Answer 31

posterior leg muscles, sole of foot

Question 32

what does the sural nerve innervate?

Answer 32

akin of the posterolateral leg
lateral ankle

Question 33

what does the common fibular nerve divide into?

Answer 33

superficial and deep fibular nerves

Question 34

what does the common fibular nerve innervate?

Answer 34

anterior leg muscles, dorsum of the foot and associated skin

Question 35

what kind of joint is the hip joint?

Answer 35

ball and socket joint

Question 36

where does the hip joint capsule run from?

Answer 36

rim of the acetabulum to the neck of the femur

Question 37

what is the ligamentum teres? function?

Answer 37

intracapsular ligament of the head of the femur, connects acetabulum notch to the fovea capitis

Question 38

what stabilizes the hip joint?

Answer 38

3 extracapsular thickenings
muscle tendons surrounding the hip joint

Question 39

what are the 3 extracapsular thickenings involved with the hip joint?

Answer 39

iliofemoral ligament
pubofemoral ligament
ischiofemoral ligament