Knee (slide 26 on)-exam 2

Question 1

Baker’s cyst=

-location?

Answer 1

Baker’s cyst= mass in posterior knee

-cyst b/w the medial head of gastrocnemius and semimembranosus tendon

Question 2

Medial Collateral Ligament Injuries=

Answer 2

Side View: Note the anterior vertical and posterior oblique components of the MCL and their relation to the Pes Anserinus and Semimembranosis tendon

Question 3

Pellegrini-Steida “Disease” occurs 2/2:

Answer 3

secondary to chronic tear of MCL at Femoral insertion

Question 4

Lateral Supporting Structures of the knee:

Answer 4

Blue: Lateral Collateral Ligament and Biceps Tendon
Red: Iliotibial Band
Green: Popliteus tendon
Orange: Arcuate Ligament
Black: Popliteus muscle and tendon

Major lateral supporting structure= iliotibial band

Lateral collateral ligament has an insertion on the lateral femoral condyle and proximal condyle of the fibula

Question 5

Hyperextension-Dislocation Injury

Answer 5

Shows a combination of Anterior and Posterior Cruciate Ligament tears.

-Often an concommitant lateral collateral ligament tear is present.

Question 6

ACL/MEDIAL MENISCUS REPAIR:

-why do we repair the meniscus?

Answer 6

Tears of the outer meniscus can heal due to good circulation, but inner meniscus tears don’t heal as well (poor vasculature) so that portion of the meniscus is either removed , or surgically fixed

-can be repaired w/ sutures, tacks, or torn meniscus can be surgically removed.