Exam 2: Lower Limb lecture vii

Question 1

generally, regarding the thigh, muscles in the anterior compartment are innervated by the

Answer 1

femoral nerve

Question 2

generally, regarding the thigh, muscles in the medial compartment are innervated by the

Answer 2

obturator nerve

Question 3

generally, regarding the thigh, muscles in the posterior compartment are innervated by the

Answer 3

tibial portion of the sciatic nerve

Question 4

gluteal region arteries: superior gluteal artery is a branch of the _, leaves pelvis through _, and divides into _ and _ branches

Answer 4

branch of the internal iliac artery, through greater sciatic foramen, divides into superficial and deep branches

Question 5

gluteal region arteries: superior gluteal artery supplies

Answer 5

gluteus maximus, gluteus medius, gluteus minimus, and tensor fasciae latae

Question 6

gluteal region arteries: inferior gluteal artery arises from the _ artery, and leaves pelvis through _

Answer 6

internal iliac artery, through greater sciatic foramen

Question 7

gluteal region arteries: inferior gluteal artery supplies (4)

Answer 7

gluteus maximus, obturator internus, quadratus femoris, and superior parts of the hamstrings

Question 8

gluteal region arteries: internal pudendal artery arises from _, passes through the _ then the _ to enter the _

Answer 8

from the internal iliac artery, passes through greater and then lesser sciatic foramina to enter the perineum

Question 9

gluteal region arteries: internal pudendal artery supplies

Answer 9

skin, external genitalia, and muscles in the perineal region

Question 10

gluteal region veins: superior gluteal vein and inferior gluteal vein: accompany the _ arteries

Answer 10

corresponding arteries

Question 11

gluteal region veins: superior gluteal vein and inferior gluteal vein: drain into the

Answer 11

internal iliac vein

Question 12

popliteal fossa: compartment _ to knee joint

Answer 12

posterior

Question 13

popliteal fossa: bounded superolaterally by

Answer 13

biceps femoris

Question 14

popliteal fossa: bounded superomedially by

Answer 14

semimembranosus

Question 15

popliteal fossa: bounded inferiorly by

Answer 15

the 2 heads of the gastrocnemius

Question 16

t/f: popliteal fossa: its floor has a larger surface than its roof

Answer 16

true

Question 17

popliteal fossa: all important neurovascular structures that pass from the thigh to the leg do so by traversing the

Answer 17

popliteal fossa

Question 18

popliteal fossa: nerves are most _, arteries are _, veins are _ (hint orientation superficial/deep/etc)

Answer 18

nerves-most superficial (posterior)
arteries-deepest
veins-in between

Question 19

contents of popliteal fossa include: termination of _ vein

Answer 19

small saphenous vein

Question 20

contents of popliteal fossa include: _ arteries and veins and their branches and tributaries

Answer 20

popliteal arteries and veins

Question 21

contents of popliteal fossa include: 3 nerves

Answer 21

tibial nerve, common fibular nerve, and posterior femoral cutaneous nerve

Question 22

contents of popliteal fossa include: _ nodes and _ vessels

Answer 22

popliteal lymph nodes (superficial and deep) and lymphatic vessels

Question 23

popliteal fossa: nerves: sural nerve is formed by joining of

Answer 23

medial sural cutaneous nerve (derived from the tibial nerve) and sural communicating branch of the common fibular nerve

Question 24

popliteal fossa: arteries: popliteal artery is the continuation of

Answer 24

femoral artery

Question 25

popliteal fossa: arteries: popliteal artery begins at the _ an opening btwn the adductor canal and the popliteal fossa

Answer 25

adductor hiatus

Question 26

popliteal fossa: arteries: popliteal artery gives rise to 5 anastomosing branches that supply

Answer 26

the joint capsule and ligaments of the knee joint

Question 27

popliteal fossa: arteries: popliteal artery gives rise to what 5 anastomosing branches

Answer 27

1-2. superior and inferior lateral genicular arteries
3. middle genicular artery
4-5. superior and inferior medial genicular arteries

Question 28

popliteal fossa: arteries: the popliteal artery’s other branches supply the (4)

Answer 28

hamstrings, gastrocnemius, soleus, and plantaris muscles

Question 29

popliteal fossa: arteries: the popliteal artery ends by dividing into the _ artery and _ artery

Answer 29

anterior tibial artery and the posterior tibial artery

Question 30

popliteal fossa: veins: popliteal vein is the continuation of

Answer 30

posterior tibial vein

Question 31

popliteal fossa: veins: popliteal vein receives the _ vein

Answer 31

small saphenous vein

Question 32

popliteal fossa: veins: popliteal vein becomes the _ vein as it traverses the adductor hiatus

Answer 32

femoral vein

Question 33

leg: the muscles of each compartment of the leg share

Answer 33

common functions and innervations

Question 34

leg: anterior compartment muscles: tibialis anterior origin

Answer 34

from lateral tibial condyle and superior half of lateral tibial surface

Question 35

leg: anterior compartment muscles: tibialis anterior insertion

Answer 35

to medial cuneiform and base of 1st metatarsal

Question 36

leg: anterior compartment muscles: tibialis anterior innervation

Answer 36

deep fibular nerve

Question 37

leg: anterior compartment muscles: tibialis anterior action

Answer 37

dorsiflexes ankle and inverts foot

Question 38

leg: anterior compartment muscles: extensor digitorum longus origin

Answer 38

from lateral tibial condyle, fibula, and interosseous membrane

Question 39

leg: anterior compartment muscles: extensor digitorum longus insertion

Answer 39

to middle and distal phalanges of lateral four digits (2-5)

Question 40

leg: anterior compartment muscles: extensor digitorum longus innervation

Answer 40

deep fibular nerve

Question 41

leg: anterior compartment muscles: extensor digitorum longus action

Answer 41

extends lateral four digits and dorsiflexes ankle

Question 42

leg: anterior compartment muscles: extensor hallucis longus lies deeply btwn

Answer 42

tibialis anterior and extensor digitorum longus

Question 43

leg: anterior compartment muscles: extensor hallucis longus origin

Answer 43

from middle half of fibula and interosseous membrane

Question 44

leg: anterior compartment muscles: extensor hallucis longus insertion

Answer 44

to distal phalanx of great toe (hallux)

Question 45

leg: anterior compartment muscles: extensor hallucis longus innervation

Answer 45

deep fibular nerve

Question 46

leg: anterior compartment muscles: extensor hallucis longus action

Answer 46

extends great toe; dorsiflexes ankle

Question 47

anterior compartment thigh muscles are generally hip _ and knee _

Answer 47

hip flexors and knee extensors

Question 48

medial compartment thigh muscles are generally hip _

Answer 48

hip adductors

Question 49

posterior compartment thigh muscles are generally hip _ and knee _

Answer 49

hip extensors and knee flexors