Lecture21: Knee Joint

Question 1

Name the extra capsular ligaments?

Answer 1

Medial and lateral collateral ligaments, and oblique popliteal ligament

Question 2

Which intracapsular ligament prevents hyper extension?

Answer 2

ACL

Question 3

Which intra capsular ligament prevents the posterior displacement of the femur on the tibia?

Answer 3

ACL

Question 4

Which intracapsular ligament prevent anterior displacement of the femur over the tibia?

Answer 4

PCL (posterior cruciate ligament)

Question 5

What does the synovial membrane form?

Answer 5

The suprapatellar bursa

Question 6

What forms the infrapatellar fold?

Answer 6

The synovial membrane

Question 7

Inside the knee, the medial meniscus is shaped like?

Answer 7

C-shaped

Question 8

Which meniscus is liable to injury?

Answer 8

Medial meniscus

Question 9

Which meniscus is connected to the medial collateral ligament?

Answer 9

Medial meniscus

Question 10

What does the lateral meniscus look like?

Answer 10

Circular in shape

Question 11

Why is the lateral meniscus mobile?

Answer 11

Due to it being separated from the lateral collateral ligament and capsule via the Popliteus tendon

Question 12

Name functions of the menisci?

Answer 12

Shock absorbers and provide a space for the flushing of synovial fluid, thus nutrition for the articular cartilage

Question 13

Which muscle is mainly responsible for the stability of the knee joint?

Answer 13

Quadriceps

Question 14

What is inflammation of the bursa commonly called?

Answer 14

Housemaids’ knee