Knee Joint

Question 1

Rectus Femoris Origin

Answer 1

Anterior inferior iliac spine of the ilium and superior margin of the acetabulum

Question 2

Rectus Femoris Insertion

Answer 2

Superior aspect of the patella and patellar tendon to the tibial tuberosity

Question 3

Rectus Femoris Actions

Answer 3

Hip flexion, knee extension, anterior pelvic rotation

Question 4

Vastus Lateralis (externus) Origin

Answer 4

Intertrochanteric line, anterior and inferior borders of the greater trochanter, gluteal tuberosity, upper half of the linea aspera, and entire lateral intermuscular septum

Question 5

Vastus Lateralis (externus) Insertion

Answer 5

Lateral border of the patella and patellar tendon to the tibial tuberosity

Question 6

Vastus Laeralis (externus) Actions

Answer 6

Knee extension

Question 7

Vastus Intermedius Origin

Answer 7

Upper 2/3 of the anterior surface of the femure

Question 8

Vastus Intermedius Insertion

Answer 8

Upper border of the patella and patellar tendon to the tibial tuberosity

Question 9

Vastus Intermedius Actions

Answer 9

Knee extension

Question 10

Vastus Medialis (internus) Origin

Answer 10

Whole length of the linea aspera and medial condyloid ridge

Question 11

Vastus Medialis (internus) Insertion

Answer 11

Medial half of the upper border of the petella and patellar tendon to the tibial tuberosity

Question 12

Vastus Medialis (internus) Actions

Answer 12

Knee extension

Question 13

Popliteus Origin

Answer 13

Posterior surface of the lateral condyle of the femur

Question 14

Popliteus Instertion

Answer 14

Upper posterior medial surface of the tibia

Question 15

Popliteus Actions

Answer 15

Knee flexion, knee internal rotation