Anterior Thigh

Question 1

Psoas major origin

Answer 1

Bodies and discs of T12-L5

Transverse processes of all lumbar vertebrae

Question 2

Psoas major nerve

Answer 2

Ventral rami L2,3,4

Question 3

Iliacus origin

Answer 3

Anterior iliac fossa
Iliac crest
Ala of sacrum
Anterior sacroiliac and olio lumbar ligaments

Question 4

Iliacus nerve

Answer 4

Femoral N

Question 5

Iliopsoas insertion

Answer 5

Lesser trochanter

Question 6

Iliopsoas action

Answer 6

Flex thigh
Laterally rotate thigh
Flex trunk when legs are extended and stabilized 
Laterally flex trunk
Balance when sitting

Question 7

Psoas minor origin

Answer 7

T12-L1

Question 8

Psoas minor insertion

Answer 8

Pectineal line

Iliopectineal eminence

Question 9

Psoas minor action

Answer 9

Flex pelvis on lumbar spine

Flex lumbar spine on fixed pelvis

Question 10

Psoas minor nerve

Answer 10

Ventral rami L1-2

Question 11

Rectus femoris origin

Answer 11

AIIS

Question 12

Rectus femoris insertion

Answer 12

Base of patella

Tibial tuberosity via patellar ligament

Question 13

Rectus femoris action

Answer 13

Flex thigh
Extend leg
Flex trunk with fixed legs

Question 14

Rectus femoris nerve

Answer 14

Femoral n

Question 15

Rectus femoris blood supply

Answer 15

Lateral femoral circumflex a

Question 16

Vastus intermedius origin

Answer 16

Anterior and lateral shaft of femur

Question 17

Vastus intermedius insertion

Answer 17

Base of patella

Tibial tuberosity via p.l.

Question 18

Vastus intermedius action

Answer 18

Extend leg

Question 19

Vastus intermedius nerve

Answer 19

Femoral n

Question 20

Vastus intermedius blood

Answer 20

Muscular br of femoral a.

Question 21

Articularis genu origin

Answer 21

Distal anterior femur/vast us intermedius

Question 22

Articularis genu insertion

Answer 22

Suprapatellar bursa

Synovial membrane

Question 23

Articularis genu action

Answer 23

Pulls bursa and synovial membrane superiority with extension

Question 24

Articularis genu nerve

Answer 24

Femoral n.

Question 25

Articularis genu blood

Answer 25

Genicular aa.

Question 26

Vastus medialis origin

Answer 26

Medial lip of lines aspera Intertrochanteric line Medial supracondylar line

Question 27

Vastus medialis insertion

Answer 27

Medial patella | Tibial tuberosity via p.l.

Question 28

Vastus medialis action

Answer 28

Extend leg

Question 29

Vastus medialis nerve

Answer 29

Femoral n.

Question 30

Vastus medialis blood

Answer 30

Muscular br of femoral a.

Question 31

Vastus lateralis origin

Answer 31

Greater trochanter | Lateral lip of linea aspera

Question 32

Vastus lateralis insertion

Answer 32

Lateral border of patella | Tibial tuberosity via p.l.

Question 33

Vastus lateralis action

Answer 33

Extend leg

Question 34

Vastus lateralis nerve

Answer 34

Femoral n

Question 35

Vastus lateralis blood

Answer 35

Descending br lateral femoral circumflex

Question 36

Sartorius origin

Answer 36

ASIS

Question 37

Sartorius insertion

Answer 37

Medial proximal tibia

Question 38

Sartorius action

Answer 38

``` Flex thigh Abducts thigh Laterally rotate thigh Flex leg Medically rotate leg with fixed knee ```

Question 39

Sartorius nerve

Answer 39

Femoral n

Question 40

Sartorius blood

Answer 40

Muscular br femoral a.