Anterior Thigh

Question 1

Psoas Major

Answer 1

O: T12-L5 bodies, transverse processes

I: Lesser trochanter of Femur

Inn: Ventral Rami L2-L4

BS: Lumbar A. & External Iliac A.

A: Flex thigh & stabilize hip

Question 2

Iliacus

Answer 2

O: Iliac crest/ fossa, sacrum, sacroiliac ligament

I: Lesser trochanter of Femur

Inn: Femoral N.

BS: Lumbar A. & External Iliac A.

A: Flex thigh & Stabilize hip

Question 3

Psoas Minor

Answer 3

O: T12-L1 bodies & Intervertebral disc

I: Body of Pubis

Inn: Ventral Rami L2-L4

BS: Lumbar A.

A: Anterior flex Abdomen, tilt pelvis

Question 4

Pectineus

Answer 4

O: Superior Ramus of Pubis

I: Pectineal line of Femur

Inn: Femoral N.

BS: Obturator A. & Circumflex Femoral A.

A: Flex thigh & adduct thigh

Question 5

Sartorius

Answer 5

O: Anterior Superior Iliac Spine

I: Superomedial Tibia

Inn: Femoral N.

BS: Femoral A.

A: Flex,abduct and laterally rotate thigh; flex leg

Question 6

Rectus Femoris

Answer 6

O: Anterior Inferior Iliac & Ilium (superior to acetabulum)

I: Base of Patella, Tibial Tuberosity

Inn: Femoral N.

BS: Femoral A. & Deep A. of thigh

A: Extend Leg, flex thigh and steady hip

Question 7

Vastus Lateralis

Answer 7

O: Greater trochanter & Lateral Linea aspera of Femur

I: Base of Patella, Tibial Tuberosity

Inn: Femoral N.

BS: Femoral A. & Deep A. of Thigh

A: Extend Leg

Question 8

Vastus Medialis

Answer 8

O: Intertrochanteric line & medial linea aspera of Femur

I: Base of Patella, Tibial Tuberosity

Inn: Femoral N.

BS: Femoral A. and Deep A. of Thigh

A: Extend Leg

Question 9

Vastus Intermedius

Answer 9

O: Anterolateral Femur

I: Base of Patella, Tibial Tuberosity

Inn: Femoral N.

BS: Femoral A. and Deep A. of Thigh

A: Extend Leg