Quadriceps femoris (anterior thigh muscles)

Question 1

Origin of rectus femoris?

Answer 1

Anterior Inferior Iliac Spine, acetabular roof of hip joint

Question 2

Insertion of rectus femoris?

Answer 2

Tibial tuberosity (via patellar ligament)

Question 3

Innervation of quadriceps femoris?

Answer 3

Femoral n. (L2-L4)

Question 4

Action of fectus femoris?

Answer 4

Hip joint: flexion

Knee joint: extension

Question 5

Origin of vastus medialis?

Answer 5

Linea aspera (medial lip), intertrochanteric line (distal part)

Question 6

Insertion of vastus medialis, vastus lateralis?

Answer 6

Both sides of tuberosity on medial and lateral condyles (via medial and longtiduinal patellar retinacula)

Question 7

Action of vastus medialis, vastus lateralis, vastus intermedius?

Answer 7

Knee joint: extension

Question 8

Origin of vastus lateralis?

Answer 8

Linea aspera (lateral lip)
Greater trochanter (lateral surface)

Question 9

Origin of vastus intermedius?

Answer 9

Femoral shaft (anterior side)

Question 10

Insertion of vastus intermedius?

Answer 10

Tibial tuberosity (via patellar ligament)

Question 11

Origin of articularis genus?

Answer 11

Anterior side of femoral shaft at level of suprapatellar recess

Question 12

Insertion of articularis genus?

Answer 12

Suprapatellar recess of knee joint capsule

Question 13

Action of articularis genus?

Answer 13

Knee joint: extension; prevents entrapment of capsule

Question 14

5 parts of quadriceps femoris?

Answer 14

Rectus femoris, vastus medialis, vastus lateralis, vastus intermedius, articularis genus