Anterior Thigh Muscles

Question 1

Origin: Tensor fasciae latae

Answer 1

anterior superior iliac spine and superior part of notch inferior to it

Question 2

Origin: Sartorius

Answer 2

anterior superior iliac spine and superior part of notch inferior to it

Question 3

Origin: Rectus Femoris

Answer 3

Anterior inferior iliac spine and ilium superior to acetabulum

Question 4

Origin: Vastus lateralis

Answer 4

greater trochanter and lateral lip of linea aspera of femur

Question 5

Origin: Vastus medialis

Answer 5

Intertrochanteric line and medial lip of linea aspera of femur

Question 6

Origin: Vastus intermedius

Answer 6

anterior and lateral surfaces of femoral shaft

Question 7

Insertion: Tensor fasciae latae

Answer 7

Iliotibial tract that attaches to lateral condyle of tibia

Question 8

Insertion: Sartorius

Answer 8

Superior part of medial surface of tibia

Question 9

Insertion: Rectus femoris

Answer 9

base of patella and by patellar ligament to tibial tuberosity

Question 10

Insertion: Vastus lateralis

Answer 10

base of patella and by patellar ligament to tibial tuberosity

Question 11

Insertion: vastus medialis

Answer 11

base of patella and by patellar ligament to tibial tuberosity

Question 12

Insertion: Vastus Intermedius

Answer 12

Base of patella and by patellar ligament to tibial tuberosity

Question 13

Innervation: Tensor fasciae latae

Answer 13

superior gluteal nerve (L4-S1)

Question 14

Innervation: Sartorius

Answer 14

Femoral nerve (L2-L4)

Question 15

Innervation: Rectus Femoris

Answer 15

Femoral nerve (L2-L4)

Question 16

Innervation: vastus lateralis

Answer 16

Femoral nerve (L2-L4)

Question 17

Innervation: Vastus medialis

Answer 17

Femoral nerve (L2-L4)

Question 18

Innervation: vastus intermedius

Answer 18

Femoral nerve (L2-L4)

Question 19

Main Actions: Tensor Fasciae latae

Answer 19

abducts, medially rotates, and flexes thigh at hip; helps keep knee extended

Question 20

Main actions: sartorius

Answer 20

flexes, abducts, and laterally rotates thigh at hip joint; flexes knee joint

Question 21

Main actions: rectus femoris

Answer 21

extends leg at knee joint; rectus femoris also steadies hip joint and helps iliopsoas flex thigh at hip

Question 22

Main Actions: vastus lateralis

Answer 22

extends leg at knee joint

Question 23

Main actions: vastus medialis

Answer 23

extends leg at knee joint

Question 24

Main actions: vastus intermedius

Answer 24

extends leg at knee joint