knee anatomy

Question 1

what are the two articulations in the knee joint?

Answer 1

tibiofemoral
patellofemoral

Question 2

what is the innervation of the knee joint ?

Answer 2

femoral nerve
tibial nerve
common fibular nerves

Question 3

what are the menisci ?

Answer 3

C-shaped fibrocartilage rings located within the knee joint

Question 4

what is the function of the menisci (there are two main ones)?

Answer 4

increases stability of the joint
acts as a shock absorber

Question 5

what is a bursa ?

Answer 5

a sac-like structure containing a small amount of synovial fluid

Question 6

what is the function of the bursa?

Answer 6

decreases friction between tendons, bones and skin during movement

Question 7

what are the four main bursa found in the knee?

Answer 7

suprapatellar bursa
prepatellar bursa
infrapatellar bursa
semimembranous bursa

Question 8

what are the major ligaments in the knee?

Answer 8

patelar ligament
medial collateral ligament
lateral collateral ligament
anterior cruciate ligament
posterior cruciate ligament

Question 9

what movements does the knee joint permit ?

Answer 9

flexion
extension
lateral rotation
medial rotation

Question 10

what is the tibiofemoral articulation ?

Answer 10

medial and lateral condyles of the femur and articulate with the tibial condyles.