Quadriceps Femoris:

Question 1

Name this muscle

Answer 1

Rectoris Femoris
O: anterior inferior iliac spine
A: flexion hip joint; extension knee joint
Nerve: femoral nerve
Insert: base of patella and tibia tuberosity

Question 2

Name this muscle

Answer 2

Vastus Lateralis
O: greater trochanter and lateral lip of linea aspera
A: extension of knee joint
Nerve: femoral nerve
Insert: base of patella and tibial tuberosity (indirectly via patella ligament)

Question 3

Name this muscle

Answer 3

Vastus Medialis
O: intertrochanteric line and medial lip of linea aspera
A: extension of knee
Nerve: femoral nerve
Insert: base of patella and tibial tuberosity (indirectly via patella ligament)

Question 4

Name this muscle

Answer 4

Vastus Intermedius
O: anterior and lateral surfaces of shaft and femur
A: extension of knee joint
Nerve: femoral nerve
Insert: base of patella and tibial tuberosity (indirectly via patella ligament)