Knee

Question 1

Rectus femoris origin

Answer 1

Anterior inferior iliac spine, groove above the posterior brim of the acetabulum

Question 2

Rectus femoris insertion

Answer 2

Base of the patella and via the ligamentum patellae into the tibial tuberosity

Question 3

Rectus femoris nerve supply

Answer 3

Femoral n. L2-4

Question 4

Rectus femoris function

Answer 4

Extension of the knee; flexion of the hip

Question 5

Vastus lateralis origin

Answer 5

Greater trochanter of the femur, intertrochanteric line, linea aspera, gluteal tuberosity

Question 6

Vastus lateralis insertion

Answer 6

lateral border of the patella and via the liagamentum patellae into the tibial tuberosity

Question 7

Vastus lateralis nerve supply

Answer 7

Femoral n. L2-4

Question 8

Vastus lateralis function

Answer 8

Extension of the knee

Question 9

Vastus medialis origin

Answer 9

Intertrochanteric line, linea aspera, medial supracondylar line of the femur

Question 10

Vastus medialis insertion

Answer 10

Medial border of the patella and via the ligamentum patellae into the tibial tuberosity

Question 11

Vastus medialis nerve supply

Answer 11

Femoral n. L2-4

Question 12

Vastus medialis function

Answer 12

Extension of the knee

Question 13

Vastus intermedius origin

Answer 13

Anterior and lateral surfaces of the upper 2/3 of the body of the femur

Question 14

Vastus intermedius insertion

Answer 14

Base of the patella and via the ligamentum patellae into the tibial tuberosity

Question 15

Vastus intermedius nerve supply

Answer 15

Femoral n. L2-4

Question 16

Vastus intermedius function

Answer 16

Extension of the knee

Question 17

Biceps femoris origin

Answer 17

Long head: ischial tuberosity Short head: lateral lip of the linea aspera of the femur and the lateral intermuscular septum

Question 18

Biceps femoris insertion

Answer 18

Lateral aspect of the head of the fibula

Question 19

Biceps femoris nerve supply

Answer 19

Long head: tibial portion of the sciatic nerve. Short head: peroneal portion of the sciatic nerve. L5, S1, S2

Question 20

Biceps femoris function

Answer 20

Extension of the hip, flexion and lateral rotation of the knee

Question 21

Semitendinosus origin

Answer 21

Ischial tuberosity

Question 22

Semitendinosus insertion

Answer 22

Proximal aspect of the medial surface of the tibia

Question 23

Semitendinosus nerve supply

Answer 23

Tibial portion of the sciatic n. L5, S1, S2

Question 24

Semitendinosus function

Answer 24

Extension of the hip, flexion and medial rotation of the knee

Question 25

Semimembranosus origin

Answer 25

Ischial tuberosity

Question 26

Semimembranosus insertion

Answer 26

Medial condyle of the tibia

Question 27

Semimembranosus nerve supply

Answer 27

Tibial portion of the sciatic n. L5, S1, S2

Question 28

Semimembranosus function

Answer 28

Extension of the hip, flexion and medial rotation of the knee