Knee Flashcards
The fibrous cushion of the knee that acts as a shock abosrber
Meniscus
What are the categories of meniscal injury
Acute
Degenerative
Meniscal tear that usually occurs when the knee is flexed and forcefully twisted
Acute
Meniscal tear that occurs more in geriatrics.
60% of people over 65 will have this tear
May occur from minor event and have no symptoms
Dengerative
This portion of meniscus that is the most commonly injured because it is firmly attached to a collateral ligament and joint capsule.
Medial Meniscus
Firmly attached to medial collateral ligament
This portion of the meniscus is more mobile because it does not attach to a collateral ligament or joint capsule and is less injured
Lateral Meniscus
What portion of the meniscus receives blood flow?
The outer 1/3 of the edges
Why is healing of the meniscus often difficult?
Healing of the meniscus is difficult because blood flow only goes to the outer 1/3. so only the outer 1/3 have a great chance of healing
6 Patterns of Meniscal tears
Longitudinal Bucket-Handle tear Displaced bucket handle Parrot beak tear Radial tear Flap tear
Tear of meniscus that occurs in the occur 1/3 of the meniscus?
Longitudinal
What is the most common meniscus tear?
The flap tear
What are the six different types of meniscal tear?
Longitudinal Bucket handle Displaced bucket handle Parrot beak Radial Flapped
Stable meniscal tears are described as what?
Tears that do not move and are healed on their own through conservative care
Unstable tears are described as what?
The tear moves abnormally and will require surgical repair
What percentage of men compared to women are likely to sustain a meniscal tear?
Men are 20 % more likely
