Anterior Thigh

Question 1

Pectineus Origin

Answer 1

Superior ramus of pubis

Question 2

Pectineus Insertion

Answer 2

pectineal line of femur

Question 3

Pectineus Innervation

Answer 3

Femoral Nerve (L2,L3)

Question 4

Pectineus Action

Answer 4

Adducts and flexes the hip; assists in medial rotation

Question 5

Sartorius Origin

Answer 5

Anterior Superior Iliac Spine

Question 6

Sartorius Insertion

Answer 6

Superior Part of medial surface of tibia

Question 7

Sartorius Innervation

Answer 7

Femoral Nerve (L2,L3)

Question 8

Sartorius Action

Answer 8

Flexes, abducts, laterally rotates the hip; flexes hip joint

Question 9

Sartorius Arterial Supply

Answer 9

Femoral artery

Question 10

Pectineus Arterial Supply

Answer 10

Medial circumflex femoral and obturator arteries

Question 11

Psoas Major Origin

Answer 11

sides of T12 – L5 vertebrae and discs between them; transverse processes of all lumbar vertebrae

Question 12

Psoas Major Insertion

Answer 12

lesser trochanter of femur

Question 13

Psoas Major Innervation

Answer 13

ventral rami of lumbar nerves (L1, L2, L3)

Question 14

Psoas Major Action

Answer 14

acting with the iliacus it flexes the hip joint and stabilizes the joint; a postural muscle the helps control deviation of the truck and is active during standing

Question 15

Psoas Major Arterial Supply

Answer 15

Lumbar arteries, lumbar branch of the iliolumbar artery, obturator, external iliac, and femoral arteries

Question 16

Iliacus Origin

Answer 16

iliac crest, iliac fossa, ala of sacrum, and anterior sacroiliac ligaments

Question 17

Iliacus Insertion

Answer 17

tendon of psoas major, lesser trochanter of femur

Question 18

Iliacus Innervation

Answer 18

Femoral nerve (L2, L3)

Question 19

Iliacus Action

Answer 19

acting with the psoas major it flexes the hip joint and stabilizes the joint

Question 20

Iliacus Arterial Supply

Answer 20

Iliac branch of the iliolumbar artery, deep circumflex iliac, obturator, and femoral arteries

Question 21

Rectus Femoris Origin

Answer 21

anterior inferior iliac spine and ilium superior to acetabulum

Question 22

Rectus Femoris Insertion

Answer 22

via common quadriceps tendon and patellar ligament to the tibial tuberosity

Question 23

Rectus Femoris Innervation

Answer 23

Femoral nerve (L2, L3, L4)

Question 24

Rectus Femoris Action

Answer 24

extend knee joint, stabilize, fix hip joint and helps iliopsoas flex hip joint

Question 25

Rectus Femoris Arterial Supply

Answer 25

deep femoral and lateral circumflex femoral arteries

Question 26

Vastus Lateralis Origin

Answer 26

greater trochanter and lateral lip of linea aspera

Question 27

Vastus Lateralis Insertion

Answer 27

via common quadriceps tendon and patellar ligament to the tibial tuberosity, the tibial via the lateral patellar retinacula

Question 28

Vastus Lateralis Innervation

Answer 28

Femoral nerve (L2, L3, L4)

Question 29

Vastus Lateralis Action

Answer 29

extend knee joint

Question 30

Vastus Lateralis Arterial Supply

Answer 30

deep femoral and lateral circumflex femoral arteries

Question 31

Vastus Medialis Origin

Answer 31

intertrochanteric line and medial lip of linea aspera

Question 32

Vastus Medialis Insertion

Answer 32

via common quadriceps tendon and patellar ligament to the tibial tuberosity, the tibial via the medial patellar retinacula

Question 33

Vastus Medialis Innervation

Answer 33

Femoral nerve (L2, L3, L4)

Question 34

Vastus Medialis Action

Answer 34

extend knee joint

Question 35

Vastus Medialis Arterial Supply

Answer 35

femoral artery

Question 36

Vastus Intermedius Origin

Answer 36

anterior and lateral surfaces of shaft of femur

Question 37

Vastus Intermedius Insertion

Answer 37

via common quadriceps tendon and patellar ligament to the tibial tuberosity

Question 38

Vastus Intermedius Innervation

Answer 38

Femoral nerve (L2, L3, L4)

Question 39

Vastus Intermedius Action

Answer 39

extend knee joint

Question 40

Vastus Intermedius Arterial Supply

Answer 40

deep femoral artery

Question 41

Tensor fascia latae Origin

Answer 41

Anterior superior iliac spine; anterior part of iliac crest

Question 42

Tensor fascia latae Insertion

Answer 42

Iliotibial tract, which attaches to the lateral condyle of the tibia

Question 43

Tensor fascia latae Innervation

Answer 43

Superior gluteal nerve (L4, L5, S1)

Question 44

Tensor fascia latae Action

Answer 44

Flexes hip joint; acts with the gluteus maximus to stabilize the extended knee joint

Question 45

Tensor fascia latae Arterial Supply

Answer 45

ascending branch of the lateral circumflex femoral artery and superior gluteal artery

Question 46

Articularis Genu Origin

Answer 46

anterior aspect of distal one third of femur

Question 47

Articularis Genu Insertion

Answer 47

synovial membrane of knee joint and suprapatellar bursa

Question 48

Articularis Genu Innervation

Answer 48

Femoral nerve (L2, L3, L4)

Question 49

Articularis Genu Action

Answer 49

Pulls suprapatellar bursa superiorly

Question 50

Articularis Genu Arterial Supply

Answer 50

Femoral artery