29. Anterior and Medial Thigh

Question 1

Functions of anterior compartment of thigh?

Answer 1

Flex hip

Extend knee

Question 2

Functions of medial compartment of thigh?

Answer 2

Adduct hip

Question 3

Functions of posterior compartment of thigh?

Answer 3

Extend hip

Flex knee

Question 4

Be able to label the bony features of the femur

Answer 4

SLIDE 4

Question 5

Name the 4 muscles which flex the hip

Answer 5

Iliacus
Psoas major
Pectineus
Sartorius

Question 6

Name the muscles that extend the knee

Answer 6

Quadriceps

Question 7

Name the 4 muscles that make up the quadricep group

Answer 7

Rectus femoris
Vastus medialis
Vastus lateralis
Vastus intermedius

Question 8

Origin of iliacus? (4)

Answer 8

Iliac crest
Iliac fossa
Ala of sacrum
Anterior sacroiliac ligament

Question 9

Insertion of iliacus?

Answer 9

Psoas tendon

Lesser trochanter

Question 10

Innervation of ilicus?

Answer 10

Femoral L2, L3

Question 11

Function of iliacus?

Answer 11

Flex hip

Question 12

Origin of psoas major?

Answer 12

T12 - L5 IV discs

Lumbar transverse processes

Question 13

Insertion of psoas major?

Answer 13

Lesser trochanter

Question 14

Innervation of psoas major?

Answer 14

Anterior rami L1 - L3

Question 15

Function of psoas major?

Answer 15

Flex hip

Question 16

Origin of pectineus?

Answer 16

Superior ramus of pubis

Question 17

Insertion of pectineus?

Answer 17

Pectineal line of femur

Question 18

Innervation of pectineus?

Answer 18

Femoral nerve L2, L3

Question 19

Action of pectineus?

Answer 19

Adduct and flex hip

Assist with medial rotation

Question 20

Origin of sartorius?

Answer 20

ASIS

Question 21

Insertion of sartorius?

Answer 21

Superior part of medial surface of tibia

Question 22

Innervation of sartorious?

Answer 22

Femoral L2, L3

Question 23

Action of sartorious?

Answer 23

Flex
Abduct
Laterally rotate hip

Flex knee

Question 24

Origin of rectus femoris?

Answer 24

AIIS

Ilium above acetabulm

Question 25

Origin of vastus lateralis?

Answer 25

Greater trochanter | Lateral linea aspera

Question 26

Origin of vastus medialis?

Answer 26

Intertrochanteric line | Medial linea aspera

Question 27

Origin of vastis intermedialis?

Answer 27

Anterior and lateral shaft of femur

Question 28

Insertion of the quad muscles?

Answer 28

Quadriceps tendon then tibial tuberosity via patellar ligament

Question 29

Action of quads?

Answer 29

Extend knee | Rectus femoris also flexes hip

Question 30

Innervation of quads?

Answer 30

Femoral L2, L3

Question 31

What is the terminal cutaneous branch of the femoral nerve?

Answer 31

Saphenous nerve (supplies anteromedial knee, leg and foot)

Question 32

Which muscles adduct the hip? (4)

Answer 32

Gracilis Adductor longus Adductor brevis Adductor magnus

Question 33

Origin of gracilis?

Answer 33

Body and inferior ramus of pubis

Question 34

Insertion of gracilis?

Answer 34

Superior medial surface of tibia

Question 35

Innervation of gracilis?

Answer 35

Obturator nerve L2, L3

Question 36

Action of gracilis?

Answer 36

Adducts hip | Flexes knee

Question 37

Origin of adductor longus?

Answer 37

Body of pubis

Question 38

Insertion of adductor longus?

Answer 38

Middle 1/3rd of linea aspera

Question 39

Innervation of adductor longus?

Answer 39

Obturator L2, L3, L4

Question 40

Action of adductor longus?

Answer 40

Adducts thigh

Question 41

Origin of adductor brevis?

Answer 41

Body and inferior ramus of pubis

Question 42

Insertion of adductor brevis?

Answer 42

Pectineal line | Proximal linea aspera

Question 43

Innervation of adductor brevis?

Answer 43

Obturator L2, L3, L4

Question 44

Action of adductor brevis?

Answer 44

Adducts thigh May assist flexion

Question 45

Origin of adductor magnus?

Answer 45

Ischiopubic ramis | Ischial tuberosity

Question 46

Insertion of adductor magnus?

Answer 46

Linea aspera Medial supracondylar line Adductor tubercle

Question 47

Innervation of adductor magnus?

Answer 47

Obturator (L2, L3, L4) | Hamstring part - tibial division of sciatic nerve L4

Question 48

Action of adductor magnus?

Answer 48

Adducts thigh (adductor part) Extends thigh (hamstring part)

Question 49

Origin of obturator externus?

Answer 49

Margins of obturator foramen | Obturator membrane

Question 50

Insertion of obturator externus?

Answer 50

Trochanteric fossa

Question 51

Innervation of obturator externus?

Answer 51

Obturator nerve L3, L4

Question 52

Action of obturator externus?

Answer 52

Laterally rotates thigh **NOT adduction**

Question 53

What are the branches of the obturator nerve?

Answer 53

Anterior and posterior | Relative to adductor brevis

Question 54

Describe the adductor canal?

Answer 54

Runs from apex of femoral triangle to adductor hiatus Underneath the distal half of sartorius

Question 55

What are the boundaries of the adductor canal?

Answer 55

Sartorius Vastus medialis Adductor longus

Question 56

Which nerves and vessels run through the adductor canal?

Answer 56

Femoral vessels | Saphenous nerve

Question 57

Where does the femoral artery become the popliteal artery?

Answer 57

Adductor hiatus

Question 58

What is the largest branch of the femoral artery?

Answer 58

Profunda femoris

Question 59

Name some branches of the profunda femoris?

Answer 59

3-4 perforating branches through adductor magnus Medial and lateral circumflex branches

Question 60

Which muscle does profunda femoris run deep to?

Answer 60

Adductor longus

Question 61

Which artery does the femoral artery branch from?

Answer 61

External iliac

Question 62

Which artery does the obturator artery branch from?

Answer 62

Internal iliac

Question 63

What arteries make up the cruciate anastomosis? (4)

Answer 63

Inferior gluteal Medial circumflex femoral Lateral circumflex femoral 1st perforating branch

Question 64

What are the branches of the obturator artery? And what do they supply?

Answer 64

Anterior - muscles of medial compartment Posterior - muscles attached to the ischial tuberosity