Knee Joint

Question 1

type of joint?

Answer 1

hinge synovial

Question 2

name 4 bones of the knee joint?

Answer 2

femur, patella, tibia, fibula

Question 3

which is the most important muscle which helps to stabilise the knee joint?

Answer 3

quadriceps

Question 4

name the 4 ligaments of the knee joint?

Answer 4

lateral collateral, medial collateral, anterior/ posterior cruciate

Question 5

where does the lateral collateral ligament (LCL) extend from?

Answer 5

lateral epicondyle of femur to head of fibula

Question 6

which structure passes deep to LCL to separate it from lateral meniscus?

Answer 6

tendon of popliteus muscle

Question 7

where does the medial collateral ligament (MCL) extend from?

Answer 7

medial epicondyle of femur to medial epicondyle tibia

Question 8

where is the midpoint of the MCL attached?

Answer 8

medial meniscus of knee

Question 9

function of ACL?

Answer 9

prevents femur from sliding backwards

Question 10

function of PCL?

Answer 10

prevents femur sliding forward

Question 11

function of popliteus muscle?

Answer 11

helps release the fully extended knee

Question 12

what are the menisci of knees?

Answer 12

plates of fibrocartilage

Question 13

role of menisci?

Answer 13

shock absorbers and deepen surface

Question 14

which meniscus firmly joins with medial collateral ligament?

Answer 14

medial meniscus

Question 15

patella - type of bone?

Answer 15

sesamoid

Question 16

which 2 structures are anchored by the patella?

Answer 16

quadratus femorus tendon superiorly and patellar ligament inferiorly

Question 17

which movement causes patella to move?

Answer 17

leg extension

Question 18

function of bursae of knee?

Answer 18

shock absorbers

Question 19

name of the 3 bursae of knee?

Answer 19

subcutaneous prepatellar, deep infrapatellar, subcutaneous infrapatellar

Question 20

which bursa communicates with the articular cavity of knee joint?

Answer 20

suprapatellar bursa

Question 21

2 main actions at the knee joint?

Answer 21

flexion and extension

Question 22

name 5 muscles involved in flexing knee?

Answer 22

hamstrings, sartorius, gracilis, gastrocnemius, popliteus

Question 23

which muscle is involved in knee extension?

Answer 23

quadriceps femoris