7 (M) Knee

Question 1

Nerve that wraps around neck of fibula

Answer 1

Common fibular

Question 2

Sciatic nerve branches

Answer 2

Tibial nerve

common fibular

Question 3

Posterior thigh arterial supply

Answer 3

Deep femoral artery

Question 4

Superiomedial border of the popliteal fossa

Answer 4

Semimembranosus + semitendinosus

Question 5

Lateral border of the popliteal fossa

Answer 5

biceps femoris

Question 6

inferiomedial border of the popliteal fossa

Answer 6

Medial + lateral heads of gastrocnemius

Question 7

Roof of popliteal fossa

Answer 7

popliteal fascia

Question 8

Floor of popliteal fossa

Answer 8

knee joint capsule, distal femur, proximal tibia, (popliteus muscle)

Question 9

Which superficial vein drains into the popliteal vein

Answer 9

Small saphenous

Question 10

What kind of joint is the knee?

Answer 10

Synovial hinge joint

Question 11

Are the surfaces of the knee congruent

Answer 11

No => incongruent

Question 12

What kind of bone is the patella?

Answer 12

Sesamoid bone

Question 13

bipartite patella =

Answer 13

Patella is split into 2 bones instead of 1

Question 14

Patella disclocation is more common in …

Answer 14

females > males

Question 15

Which direction does the patella dislocate in?

Answer 15

Laterally

Question 16

What 2 measures prevent patella disclocations?

Answer 16

Vastus medialis pulling patella medially

Lateral femoral condyle projecting anteriorly

Question 17

In what movement is the knee most stable?

Why (2)

Answer 17

During extension

=> Most congruent
=> most stable

Question 18

What ligaments + tissue are found to tear with eachother?

Answer 18

Medial meniscus + tibial collateral ligament => as they are bound together

Question 19

Anterior + posterior cruciate ligaments attach to what area

Answer 19

Intercondylar area

Question 20

Anterior cruciate ligament prevents ….

Answer 20

anterior displacement of tibia on femur

Question 21

Posterior cruciate ligament prevents …

Answer 21

posterior displacement of tibia on femur

Question 22

Which ligament stabilises the flexed knee when weight bearing –> walking down stairs

Answer 22

Posterior cruciate ligament

Question 23

how are cruciate ligaments typically injured

Answer 23

Hyperextension w/rotation

Question 24

What kind of rotation occurs when the knee is reaching full extension?

Answer 24

small degree of medial rotation

Question 25

unlocking the knee is what type of rotation?

What causes it

Answer 25

Lateral rotation

Popliteus

Question 26

Genicular arteries around the knee stem from what artery?

Answer 26

Popliteal

Question 27

As the knee approaches full extension, the medial femoral condyle undergoes a few degrees of medial rotation on the tibia.

Is this statement true or false?

Answer 27

yes

Question 28

If there is a normal response to the patella strike which of the following spinal segments are intact?

Answer 28

l2 - l4

Question 29

PCL does what

Answer 29

It stabilises the flexed, weight-bearing knee

Question 30

Thrombus in which vein would lead to a swollen red calf

Answer 30

Popliteal