Quadriceps Femoris

Question 1

Rectus Femoris action origin insertion and nerve innervation

Answer 1

A: extend knee and flex hip
O:Anterior inferior iliac spine (AIIS)
I: tibial tuberosity (via the patella and patellar ligament)
N: Femoral L2, 3, 4

Question 2

Vastus Lateralisaction origin insertion and nerve innervation

Answer 2

O = Lateral lip of linea aspera, gluteal tuberosity, and greater trochanter
Tibial tuberosity (via the patella and patellar ligament)
N= fermeral L2-4

Question 3

Vastus Intermedius action origin insertion and nerve innervation

Answer 3

O= Anterior and lateral shaft of the femur
I= Tibial tuberosity (via the patella and patellar ligament) n= Femoral L2-4

Question 4

Vastus medialis action origin insertion and nerve innervation

Answer 4

O= medial lip on linea aspera
I= tibial tuberosity (via patella and patella ligament
N= Femoral L2-4

Question 5

The quadriceps femora’s group do the same action what is it?

Answer 5

Extend the tibiofemeral joint