Accessory ligaments & Articular discs

Question 1

capsular

Answer 1

thickened parts of fibrous capsule itself

Question 2

Where are the intracapsular ligaments?

Answer 2

part of and internal to capsule but excluded from the cavity by the synovial membrane

Question 3

What are some examples of intracapsular ligaments?

Answer 3

ant. cruciate ligament of knee
post. cruciate ligament of knee

Question 4

Where are the extracapsular ligaments?

Answer 4

-not part of the capule
-attached to the periosteum

Question 5

What are some examples of extracapsular ligaments?

Answer 5

fibular collateral ligament of knee
tibial collateral ligament of knee

Question 6

What are articular discs made of?

Answer 6

fibrocartilage

Question 7

What are some examples of where fibrocartilage discs can be found?

Answer 7

-incomplete discs in knee
-complete disc in the temporomandibular joint
-sternoclavicular joint

Question 8

What is the menisus/i?

Answer 8

an incomplete disc in the knee

Question 9

Where are articular discs?

Answer 9

divide synovial cavity-extends internally from capsule

Question 10

What are 4 functions of articular discs?

Answer 10

-improve surface fitting (fills gaps-distributing load)
-absorbs compression forces
-allows independent movement in the two spaces
-directs flow of synovial fluid

Question 11

How are articular discs injured?

Answer 11

by twisting

Question 12

What is a common articular disc injury and how is it fixed?

Answer 12

-tear
-does not heal naturally and patients often continue to be symptomatic

Question 13

What is a procedure used to diagnose or treat conditions within the knee?

Answer 13

arthroscopy