Anterior And Medial Thigh

Front 1

1. What nerve innervates the anterior compartment?

Back 1

a. Femoral nerve (L2-L4)

Front 2

2. What is the blood supply of the anterior compartment?

Back 2

a. Femoral artery
b. Profunda femoris artery

Front 3

3. What nerve innervates the medial compartment?

Back 3

a. Obturator nerve

Front 4

4. What is the blood supply of the medial compartment?

Back 4

a. Obturator artery

Front 5

5. What nerve innervates the posterior compartment?

Back 5

a. Sciatic nerve

Front 6

6. What is the blood supply of the posterior compartment?

Back 6

a. Deep artery of the thigh

Front 7

a. What is the main extensor of the leg?

Back 7

i. Quadriceps femoris

Front 8

b. Where do the muscles of the quadriceps femoris insert?

Back 8

i. Tibial tuberosity

Front 9

c. What muscles are found within the anterior compartment?

Back 9

i. Quadriceps femoris
ii. Sartorius

Front 10

d. What is the origin of the rectus femoris?

Back 10

i. AIIS

Front 11

e. What is the origin of the vastus lateralis?

Back 11

i. Greater trochanter and lateral lip of linea aspera

Front 12

f. What is the origin of the vastus medialis?

Back 12

i. Medial lip of linea aspera
ii. Medial part of intertrochanteric line

Front 13

g. What is the origin of the vastus intermedius?

Back 13

i. Anterior surface of shaft of femur

Front 14

h. What are the attachments of the Sartorius?

Back 14

i. Origin→ ASIS
ii. Insertion→ pes anserinus

Front 15

i. What are the attachments of the psoas major?

Back 15

i. Origin→ T12-L5
ii. Insertion→ Lesser trochanter

Front 16

j. What is the innervation of the psoas major?

Back 16

i. Direct ventral rami of L2/3

Front 17

k. What is the origin of the iliacus?

Back 17

i. Iliac fossa

Front 18

l. What is the innervation of the iliacus?

Back 18

i. Femoral nerve

Front 19

m. What are the attachments of the pectineus?

Back 19

i. Origin→ pectineal line of pubis
ii. Insertion→ pectineal line of femur

Front 20

n. What is the innervation of the pectineus?

Back 20

i. Femoral nerve (L2-L3)

Front 21

a. What are the attachments of the gracilis?

Back 21

i. Origin→ inferior ramus of pubis
ii. Insertion→ Superior medial tibia by pes anserinus

Front 22

b. What are the attachments of the adductor longus?

Back 22

i. Origin→ Body of pubis
ii. Insertion→ Middle 1/3 of linea aspera

Front 23

c. Where is adductor longus located?

Back 23

i. Anterior to adductor brevis
ii. Anterior to adductor magnus

Front 24

d. Where is the adductor brevis located?

Back 24

i. Posterior to pectineus and adductor longus

Front 25

e. What are the attachments of the adductor brevis?

Back 25

i. Origin→ inferior ramus of pubis
ii. Insertion→ Pectineal line and proximal linea aspera

Front 26

a. What are the attachments of the adductor part of the adductor magnus?

Back 26

i. Origin→ Inferior ramus of pubis
ii. Insertion→ Gluteal tuberosity, linea aspera

Front 27

b. What is the innervation of the adductor part of adductor magnus?

Back 27

i. Posterior division of obturator nerve

Front 28

c. What are the attachments of the ischiocondylar part of the adductor magnus?

Back 28

i. Origin→ ischial tuberosity
ii. Insertion→ adductor tubercle of femur

Front 29

d. What is the innervation of the ischiocondylar part of the adductor magnus?

Back 29

i. Tibial part of sciatic nerve

Front 30

a. Where is the obturator externus located?

Back 30

i. Deep to pectineus

Front 31

b. What are the attachments of the obturator externus?

Back 31

i. Origin→ obturator membrane
ii. Insertion→ Trochanteric fossa

Front 32

a. What are the boundaries of the femoral triangle?

Back 32

i. Base=Inguinal ligament
ii. Medial=aductor longus
iii. Lateral=Sartorius
iv. Apex=Sartorius crosses adductor magnus
v. Floor=Iliopsoas and pectineus
vi. Roof=cribiform fascia

Front 33

b. What is the span of the femoral sheath?

Back 33

i. Proximal in femoral triangle
ii. Ends at base of femoral triangle as femoral ring

Front 34

c. What is a femoral hernia?

Back 34

i. Herniation of the intestines through the femoral ring and out the saphenous opening

Front 35

d. Where does the great saphenous vein join with the femoral vein?

Back 35

i. Saphenous opening of fascia lata
ii. Located within the femoral triangle

Front 36

e. What is the most lateral structure of the femoral triangle?

Back 36

i. Femoral nerve

Front 37

f. Is the femoral nerve within the femoral sheath?

Back 37

i. NO

Front 38

g. What lies medial to the femoral nerve in the femoral triangle?

Back 38

i. Femoral sheath

Front 39

h. What is found within the femoral sheath?

Back 39

i. Femoral artery
ii. Femoral vein
iii. Deep inguinal lymph nodes
iv. L→M

Front 40

b. What are the boundaries of Hunter’s canal?

Back 40

i. Anterior/lateral→ vastus medialis
ii. Medial/roof→ Sartorius
iii. Posterior→ adductor longus and adductor magnus

Front 41

c. What are the contents of Hunter’s canal?

Back 41

i. Femoral artery
ii. Femoral vein
iii. Saphenous nerve
iv. Nerve to vastus medialis

Front 42

d. When do the vessels of Hunter’s canal become the popliteal vessels?

Back 42

i. Upon entering the popliteal fossa

Front 43

a. What are the branches of the femoral artery?

Back 43

i. Superficial circumflex iliac artery
ii. Superficial epigastric artery
iii. Superficial external pudendal artery
iv. Deep external pudendal artery
v. Profunda femoris artery

Front 44

b. What is the largest branch of the femoral artery in the thigh?

Back 44

i. Profunda femoris

Front 45

c. What are the branches of the profunda femoris artery?

Back 45

i. Lateral circumflex femoral artery
ii. Medial circumflex femoral artery
iii. Three perforating branches

Front 46

d. What are the branches of the lateral circumflex femoral artery?

Back 46

i. Ascending branch
ii. Transverse branch
iii. Descending branch

Front 47

e. What does the lateral circumflex femoral artery supply?

Back 47

i. Trochanteric area
ii. Inferior part of the neck of the femur

Front 48

f. With what does the ascending brach of the LCFA anastomose?

Back 48

i. Medial circumflex around neck of femur

Front 49

g. What forms the cruciate anastomosis?

Back 49

i. Transverse branch of LCFA
ii. Inferior gluteal
iii. Medical circumflex femoral
iv. 1st perforating

Front 50

h. Where does the descending branch of the LCFA anastomose?

Back 50

i. Knee
ii. Genicular branches

Front 51

i. Between what two muscles does the medial circumflex femoral artery pass?

Back 51

i. Obturator externus
ii. Adductor brevis

Front 52

j. What are the branches of the MCFA?

Back 52

i. Small branch
ii. Superficial branch
iii. Ascending branch
iv. Transverse/descending
v. Deep branch

Front 53

k. With what does the small branch of the MCFA anastomose?

Back 53

i. Acetabular branch of obturator artery

Front 54

l. Where does the superficial branch of the MCFA travel?

Back 54

i. Between pectineus and adductor longus

Front 55

m. What does the ascending branch of the MCFA supply?

Back 55

i. Adductor brevis
ii. Adductor magnus
iii. Obturator externus

Front 56

n. Where does the transverse/descending branch of the MCFA run?

Back 56

i. Between the quadratus femoris and adductor magnus

Front 57

o. To where does the deep branch of the MCFA run? With what does it anastomose?

Back 57

i. Head of femur
ii. Descending branch of LCFA

Front 58

p. What do the perforating branches of the MCFA supply?

Back 58

i. Muscles of posterior and lateral thigh

Front 59

q. Where do the perforating branches of the MCFA originate?

Back 59

i. Superior, anterior, and inferior to adductor brevis

Front 60

i. What are the branches of the descending genicular artery?

Back 60

1. Saphenous branch to medial knee
2. Articular branch to anterior knee

Front 61

a. What are the branches of the obturator artery?

Back 61

i. Anterior
ii. Posterior
iii. Acetabular branch to fovea

Front 62

b. With what do the a/p branches of the obturator artery anastomose?

Back 62

i. Inferior gluteal
ii. Medial circumflex femoral

Front 63

a. What does the femoral nerve supply before entering the femoral triangle?

Back 63

i. Iliacus
ii. Pectineus

Front 64

b. What are the main branches of the femoral nerve?

Back 64

i. Anterior
ii. Posterior

Front 65

c. What does the femoral nerve supply after branching into anterior/posterior branches?

Back 65

i. Anterior cutaneous branches to skin
ii. Motor to quadriceps femoris and Sartorius
iii. Via saphenous nerve, skin on medial side of leg and foot

Front 66

a. What does the obturator nerve supply?

Back 66

i. Most of adductor muscles
ii. Skin on medial portion of thigh

Front 67

b. What are the branches of the obturator nerve? What divides them?

Back 67

i. Anterior/posterior
ii. Adductor brevis

Front 68

c. What does the anterior branch of the obturator nerve supply?

Back 68

i. Gracilis
ii. Adductor longus
iii. Adductor brevis
iv. Cutaneous branches to skin of medial thigh

Front 69

d. What does the posterior branch of the obturator nerve supply?

Back 69

i. Obturator externus
ii. Portion of adductor brevis
iii. Adductor magnus