anterior and medial thigh

Question 1

sartorius m

origin

Answer 1

the anterior superior iliac spine

Question 2

sartorius

insertion

Answer 2

below the medial tibial condyle; part of the pes anserinus

Question 3

sartorius

innervation

Answer 3

femoral nerve

Question 4

sartorius

action

Answer 4

flexes hip and knee joints
laterally rotates the thigh
medially rotates the tibia on the femur (when foot isn’t fixed)

Question 5

what are the four components of the quadriceps femoris

Answer 5

rectus femoris
vastus lateralis
vastus intermedius
vastus medialis

Question 6

quadriceps femoris

insertion

Answer 6

all four heads converge on the patella

through the patellar ligament onto the tibial tuberosity and retinacula to the tibial condyles

Question 7

quadriceps femoris

innervation

Answer 7

femoral nerve

Question 8

quadriceps femoris

action

Answer 8

extensors of the knee joint

Question 9

rectus femoris

origin

Answer 9

by a straight head from the anterior inferior iliac spine

and by a reflected head from just above the acetabulum

Question 10

rectus femoris

action

Answer 10

weak flexor of the hip

extensor of the hip with the quadriceps femoris

Question 11

vastus lateralis m

origin

Answer 11

the upper end of the femur
lateral lip of the linea aspera
lateral intermuscular septum

Question 12

vastus intermedius m

origin

Answer 12

almost the entire circumfrence of the femur except the linear aspera

Question 13

vastus medius m

origin

Answer 13

from the medial lip of the linea apsera and the medial intermuscular septum

inferior fibers extend more inferior than the vastus intermedius

Question 14

superficial epigastric artery travels where

Answer 14

branches off the femoral artery and goes toward the umbilicus

Question 15

superficial circumflex iliac artery travels where

Answer 15

branches off the femoral artery and goes toward the gluteal region

Question 16

the superficial and deep external pudendal arteries travel where

Answer 16

branch off the femoral artery and goes toward external genitalia

Question 17

the lateral femoral circumflex artery travels where

Answer 17

large branch off the deep femoral (may come from the femoral artery)
gives off ascending, transverse, and descending branches
travels laterally toward the hip joint

Question 18

the ascending branch of the lateral femoral circumflex artery travels where

Answer 18

passes above the greater trochanter of the femur and enters the gluteal region

Question 19

the transverse branch of the lateral femoral circumflex artery travels where

Answer 19

below and lateral to the greater trochanter

Question 20

the descending branch of the lateral femoral circumflex artery travels where

Answer 20

accompanies the nerve to the vastus lateralis into that muslce, supplying it, and then descending to the knee

Question 21

the medial femoral circumflex artery travels where

Answer 21

branch off the deep femoral (may come off the femoral artery)
passes between the iliopsoas and pectineus
gives off an ascending branch and transverse branch

Question 22

the ascending branch of the medial femoral circumflex artery travels where

Answer 22

appears in the gluteal region above the quadratus femoris

Question 23

the transverse branch of the medial femoral circumflex artery travels where

Answer 23

appears in the back of thigh between the quadratus femoris and adductor magnus

Question 24

name the branches of the femoral nerve in the femoral triangle

8 branches

Answer 24

nerve to pectineus
nerve to vastus lateralis
nerve to sartorius 
nerve to rectus femoris 
nerve to vastus intermedius 
nerve to vastus medialis 
saphenous nerve
-infrapatellar branch

Question 25

what nerve passes behind the femoral vessels

Answer 25

nerve to pectineus

Question 26

what nerve accompanies the descending branch of the lateral femoral circumflex artery?

Answer 26

nerve to the vastus lateralis m

Question 27

the nerve to sartorius may continue as what cutaneous nerve

Answer 27

anterior femoral cutaneous

Question 28

what nerve travels with the saphenous nerve in the adductor canal

Answer 28

nerve to vastus medialis muscle

Question 29

the nerve that provides sensation to the medial side of the leg and food is what nerve?

Answer 29

saphenous nerve

Question 30

the saphenous nerve travels with which vessel where?

Answer 30

in the superficial fascia with the greater saphenous vein

Question 31

the infrapatellar nerve branches from what nerve?

Answer 31

saphenous nerve

Question 32

name the muscles in the anterior osteofascial compartment 5 (really 2 muscles)

Answer 32

``` sartorius quadriceps femoris -rectus femoris -vastus lateralis -vastus intermedius -vastus medialis ``` extensor compartment

Question 33

the anterior osteofascial compartment is bounded by

Answer 33

fascia lata medial and lateral intermuscular septum pelvis above upper tibia below

Question 34

the medial osteofascial compartment is boundd by

Answer 34

``` fascia lata medial intermuscular septum posterior intermuscular septum pubis and ischium above lineal aspera below ```

Question 35

name the muscles in the medial osteofascial compartment 6 muscles

Answer 35

``` pectineus adductor longus adductor brevis adductor magnus gracilis obturator externus ``` adductor compartment

Question 36

what is the blood and nerve supply to the anterior/extensor compartment

Answer 36

femoral nerve | femoral vessels

Question 37

what is the blood and nerve supply to the medial/adductor compartment

Answer 37

``` deep femoral artery obturator nerve (mostly) ```

Question 38

pectineus origin

Answer 38

the upper surface of the superior ramus of the pubic bone

Question 39

pectineus insertion

Answer 39

on the pectineal line | below the lesser trochanter of the femur

Question 40

pectineus innervation

Answer 40

nerve to pectineus from the femoral nerve | accessory obturator nerve if present

Question 41

pectineus action

Answer 41

adducts the thigh medially rotates thigh flexes the hip joint

Question 42

adductor longus origin

Answer 42

from the pubis

Question 43

adductor longus insertion

Answer 43

on the middle third of the linea aspera

Question 44

adductor longus innervation

Answer 44

obturator nerve

Question 45

adductor longus action

Answer 45

adducts thigh | medially rotates the thigh

Question 46

adductor brevis origin

Answer 46

from the inferior pubic ramus

Question 47

adductor brevis insertion

Answer 47

on the back of the upper half of the femur

Question 48

adductor brevis innervation

Answer 48

obturator nerve

Question 49

adductor brevis action

Answer 49

adducts thigh | medially rotates the thigh

Question 50

adductor magnus origin

Answer 50

from the ischiopubic rami back to the ischial tuberosity adjacent to the origin of the hamstring muscles

Question 51

adductor magnus insertion

Answer 51

along the entire back of the shaft of the femur down to the adductor tubercle on the medial supracondylar line

Question 52

adductor magnus - upper fibers innervation

Answer 52

posterior division of the obturator nerve

Question 53

adductor magnus - lower fibers innervation

Answer 53

(one of hamstrings of back of thigh) tibial division of sciatic nerve

Question 54

adductor magnus - upper fibers action

Answer 54

adducts thigh medially rotates thigh assists in flexion

Question 55

adductor magnus - lower fibers action

Answer 55

extends thigh | medially rotates thigh

Question 56

obturator externus origin

Answer 56

from around the obturator foramen and from the obturator membrane

Question 57

obturator externus insertion

Answer 57

in the trochanteric fossa of the hamstring

Question 58

obturator externus innervation

Answer 58

posterior division of the obturator nerve

Question 59

obturator externus action

Answer 59

lateral rotator of the thigh

Question 60

gracilis origin

Answer 60

from the margin of the pubis and inferior ischiopubic ramus

Question 61

gracilis insertion

Answer 61

with the sartorius muscle below the medial condyle to the tibia as part of the pes anserinus

Question 62

gracilis innervation

Answer 62

anterior division of obturator nerve

Question 63

gracilis action

Answer 63

adducts thigh | assists in flexion of the leg at the knee

Question 64

the anterior branch of the obturator nerve supplies what muscles and lies on which muscle?

Answer 64

lies on the surface of adductor brevis supplies adductor longus gracilis adductor brevis

Question 65

the posterior branch of the obturator nerve supplies which muscles and lies where?

Answer 65

deep to the adductor brevis supplies obturator externus adductor magnus