Quad Muscles

Question 1

Origin, insertion & actions for Rectus Femoris

Answer 1

It’s origin is the AIIS

It’s insertion is the Tibial Tuberosity

It’s actions are to extend the knee & flex the hip

Question 2

Vastus Medialis origin, insertions & actions are?

Answer 2

It’s origin is the medial lip of linea aspera

It’s insertion is the Tibial Tuberosity

It’s action is to extend the knee

Question 3

Origin, insertion & action for Vastus Lateralis

Answer 3

It’s origin is the lateral lip of linea aspera, gluteal tuberosity & greater trochanter

It’s insertion is the Tibila Tuberosity

It’s action is to extend the knee

Question 4

Vastus Intermedius origin, insertion & actions

Answer 4

It’s origin is the anterior & lateral shaft of the femur

It’s insertion is the Tibial Tuberosity

It’s action is to extend the knee

Question 5

Vastus Intermedius origin, insertion & action

Answer 5

It’s origin is the anterior & lateral shalf of the femur

It’s insertion is the Tibial Tuberosity

It’s action is to extend the knee