Quadriceps Group

Question 1

Rectus femoris

Origin and Insertion

Answer 1

O: ASIS
I: patellar tendon, patella, patellar ligament, tibial tuberosity

Question 2

Rectus femoris

Action & Innervation

Answer 2

A: flexion hip
extension knee

I: Femoral nerve (L2, 3, 4)

Question 3

Vastus intermedius

Origin & Insertion

Answer 3

O: Anterior shaft femur

I: patellar ligament, tibial tuberosity

(deep to Rectus femoris)

Question 4

Vastus intermedius

Action & Innervation

Answer 4

A: extension knee

N: Femoral nerve (L2,3,4)

Question 5

Vastus lateralis

Origin & Insertion

Answer 5

O: greater trochanter, lateral lip of linea aspera, gluteal tuberosity

I: patellar ligament, tibial tuberosity

Question 6

Vastus lateralis

Action & Innervation

Answer 6

A: extension knee

N: femoral nerve (L2,3,4)

Question 7

Vastus medialis

Origin & Insertion

Answer 7

O: Intertrochanteric line (anterior), medial lip of the linea aspera

I: patella & tibial tuberosity via patellar ligament

Question 8

Vastus medialis

Action & Innervation

Answer 8

A: extension knee

N: femoral nerve (L2,3,4)

Question 9

Articularis genus

Origin & Insertion

Answer 9

O: anterior distal femur

I: patella capsule bursae

Question 10

Articular genus

Action & Innervation

Answer 10

A: guides patella

N: Femoral nerve (L2,3,4)