muscles of the anterior compartment of thigh

Question 1

Psoas major

Answer 1

O:posterior abdominal wall
INS: lesser trochanter of femur
INN: anterior rami
function: flexion of thigh at hip joint

Question 2

Iliacus

Answer 2

O: posterior abdominal wall (iliac fossa)
INS: Lesser trochanter of femur
INN: Femoral nerve
Function: Flexion of thigh at hip joint

Question 3

Vastus medialis

Answer 3

O:Femur
INS: Quadriceps femoris tendon + medial border of platella
INN: femoral nerve
FUN: extension at knee joint

Question 4

vestus intermedius

Answer 4

O: femur
INS: quadriceps femoris tendon + lateral margin of platella
INN: femoral nerve
FUN: extends the leg at the knee joint

Question 5

vastus lateralis

Answer 5

O: Femur
INS: Quadriceps femoris tendon
INN: femoral nerve
FUN: extends leg at knee joint

Question 6

Rectus Femoris

Answer 6

O: inferior iliac spine + ilium just superior to the acetabulum
INS: Quadriceps femoris tendon
INN: femoral nerve
FUN: flexion of the thigh and extension of leg

Question 7

Sartorius

Answer 7

O: Anterior superior iliac spine
INS: medial surface of tibia just inferomedial to tibial tuberosity
INN: femoral nerve
FUN: flexion of thigh and leg