Knee joint

Question 1

Which part of the knee capsule is deficient?

Answer 1

Anterior part

Question 2

What kind of bone is the patella bone?

Answer 2

Sesamoid

Question 3

What are the two main groups of ligament of the knee?

Answer 3

Collateral (tibial and fibular)

Cruciate (ant and post)

Question 4

Which 4 nerves supply the knee joint?

Answer 4

Femoral
Obturator
Common Fibular
Tibial

Question 5

What is the blood supply to the knee?

Answer 5

Genicular arteries

Question 6

Which groove on the patella is larger - medial or lateral?

Answer 6

Lateral

Question 7

Which direction does the patella more commonly dislocate in?

Answer 7

Lateral direction

Question 8

What is the Q angle?

Answer 8

The angle between the quadriceps tendon and the patellar tendon in full extension

Question 9

Which sex has a larger Q angle and what does this mean?

Answer 9

Females

More prone to hip dislocation

Question 10

Which 5 conditions have an increased Q angle?

Answer 10

1. Genu valgum
2. Increased femoral anteversion
3. External tibial torsion
4. Laterally positioned tibial tuberosity
5. Tight lateral retinaculum

Question 11

What is the function of the menisci (lateral and medial) of the knee?

Answer 11

Shock absorbers

Question 12

Which meniscus is more prone to tearing?

Answer 12

Medial

Question 13

Which part of the lateral femoral condyle articulates with the tibia?

Answer 13

Posterior part

Question 14

Describe the lateral femoral condyle

Answer 14

Short and straight

Question 15

Describe the medial femoral condyle

Answer 15

Long and curved

Question 16

What happens to the collateral ligaments during extension?

Answer 16

Tighten - lock the knee

Question 17

What is the function of the popliteus muscle?

Answer 17

Unlock knee during flexion

Question 18

What is the nerve supply to the popliteus muscle?

Answer 18

Tibial nerve

Question 19

What is the term for outward bending of the knee?

Answer 19

Valgus (knock knee)

Question 20

What is the term for inward bending of the knee?

Answer 20

Varus (bow leg)

Question 21

Which of the cruciate ligaments is more likely to be ruptured?

Answer 21

Anterior

Question 22

What does the Lackman test test for?

Answer 22

Integrity of the cruciate ligaments

Question 23

What is the unhappy triad?

Answer 23

3 tears:

1. Anterior cruciate
2. Medial collateral
3. Medial meniscus

Question 24

Which doesn’t repair easily - torn meniscus or torn cruciate?

Answer 24

Meniscus

Question 25

What lies behind the patella?

Answer 25

Infrapatellar fat pad

Question 26

What are the four bursae of the knee joint?

Answer 26

Suprapatellar
Popliteus
Gastrocnemius
Semimembranosus

Question 27

Where is the synovial membrane hindered by the fat pad?

Answer 27

Below

Question 28

What is housemaids knee?

Answer 28

Prepatellar bursitis

Swollen and red skin