muscle list- thigh

Question 1

vastus intermedius

Answer 1

O: anterior & lateral surface or femur

I: tibial tuberosity via patellar tendon

A: extends lower leg at knee

Question 2

sartorius

Answer 2

O: anterior superior iliac spine

I: medial surface near the tibial tuberosity

A: flexes abducts & laterally rotates thigh at hip

Question 3

biceps femoris

Answer 3

O:. ishial tuberosity & linea aspera

I:. lateral condyle of tibia & fibular head

A:. flexes lower leg at knee & laterally rotates thigh

Question 4

gracilis

Answer 4

O: inferior ramus of pubis

I:. tibia

A: medially rotates leg at knee

Question 5

semitendinosus

Answer 5

O: ishial tuberosity

I:. tibia

A: medially rotates lower leg & extends thigh at hip

Question 6

semimembrannosus

Answer 6

O: ishial tuberosity

I:. medial condyle of tibia

A: flexes lower leg at knee & medially rotates lower leg

Question 7

vastus medialis

Answer 7

O: entire linea aspera of femur

I: tibial tuberosity via patellar tendon

A: extends lower leg at knee

Question 8

vastus lateralis

Answer 8

O: proximal half of linea aspera of femur

I: tibial tuberosity via patellar tendon

A: extends lower leg at knee

Question 9

rectus femoris

Answer 9

O: anterior inferior iliac spine & rim of acebulum

I: tibial tuberosity via patellar tendon

A: extends lower leg at knee & flexes thigh at hip