Knee Final (10%)

Question 1

What is the largest synovial joint in the body?

Answer 1

knee

Question 2

Which joint is responsible for weight-bearing in the knee

Answer 2

Tibiofemoral

Question 3

In an open kinetic chain movement of the knee, which bone moves?

Answer 3

Tibia

Question 4

In a closed kinetic chain movement of the knee, which bone moves?

Answer 4

femur

Question 5

What happens to the patella during knee flexion?

Answer 5

Moves inferiorly

Question 6

What type of bone is the patella?

Answer 6

Sesamoid bone

Question 7

What is the primary purpose of the patella?

Answer 7

To enhance the leverage of the quadriceps muscle

Question 8

What type of cartilage covers the femoral and tibial condyles?

Answer 8

Hyaline cartilage

Question 9

Which meniscus is more mobile?

Answer 9

LCL

Question 10

The medial meniscus is attached to which ligament?

Answer 10

MCL

Question 11

Which ligament resists anterior translation of the tibia?

Answer 11

ACL

Question 12

Which ligament prevents hyperflexion?

Answer 12

PCL

Question 13

Which ligament resists valgus forces?

Answer 13

MCL

Question 14

What do the arcuate and oblique popliteal ligaments prevent?

Answer 14

Hyperextension

Question 15

What type of ligaments are the ACL and PCL?

Answer 15

Intracapsular

Question 16

Which muscle originates at the AIIS?

Answer 16

Rectus Femoris

Question 17

Where do the vastus muscles insert?

Answer 17

Patella & Tibial tuberosity

Question 18

What is the function of the articularis genu muscle?

Answer 18

Pull the joint capsule/patella proximally

Question 19

Which muscle inserts on the medial condyle of the tibia?

Answer 19

Semimembranosus

Question 20

Which muscle is responsible for unlocking the knee?

Answer 20

Popliteus

Question 21

Where does the biceps femoris short head originate?

Answer 21

Linea aspera

Question 22

Which muscle flexes the knee and also adducts the hip?

Answer 22

Gracilis

Question 23

What motion locks the knee?

Answer 23

Medial rotation of the femur on the tibia

Question 24

Which ligament tightens during the screw home mechanism?

Answer 24

ACL

Question 25

Which muscle unlocks the knee?

Answer 25

Popliteus

Question 26

Which group of vessels in the anterior thigh forms an anastomosis?

Answer 26

Descending branches from the femoral, popliteal, and lateral circumflex femoral arteries

Question 27

Group of vessels on anterior thigh?

Answer 27

anastomosis

Question 28

What does the LCL (Lateral Collateral Ligament) resist?

Answer 28

Varus forces

Question 29

What mechanism locks the knee to reduce muscle effort while standing?

Answer 29

Screw-home mechanism

Question 30

What is the function of the fat pads around the knee joint?

Answer 30

Provide protection and reduce friction

Question 31

Patella femoral allows pull of quad to be directed ___ over knee

Answer 31

anteriorly

Question 32

knee movement occurs around the ___ plane

Answer 32

Sagittal

Question 33

what type of cartilage is the meniscus made of?

Answer 33

Fibrocartilage

Question 34

_______ = extension of semimemb tendon

Answer 34

Oblique popliteal

Question 35

Arcuate + oblique = (extracapsular or intracapsular)

Answer 35

extracapsular