Extensors If The Knee Joint

Question 0

Origin if rectus femoris

Answer 0

O: AIIS and ilium superior to acetabulum

Question 1

Name the muscles of the anterior thigh ( extensor so of knee)

Answer 1

Guard iceboats femoris = 
Rectus femoris 
Vastus lateralis
Vastus medialis 
Vastus intermedialis

Question 2

Origin of Vastus lateralis

Answer 2

Greater trochanter and lateral lip of linea appera of femur

Question 3

Origin of Vastus medialis

Answer 3

Intertrochanteric line and medial lip of linea aspera of femur

Question 4

Vastus intermedius

Answer 4

Anterior and lateral surfaces of shaft of femur

Question 5

Common insertion of the quadriceps

Answer 5

Via common tendinous (quadriceps tendon) and independent attachment to base of patella, indirectly via patellar tuberosity; medial and lateral vasti also attach to tibia and patella via aponeurosis (medial and lateral patellar aponeurosis)

Question 6

Innervation of quadriceps

Answer 6

Femoral nerve

Question 7

Action of quads

Answer 7

Extend leg at knee joint; rectus femoris also steadies hip joint and helps iliopsoas flex the thigh