Soft Tissue Flashcards
Where does the Menisci distribute load from the covex femoral condyles to?
Relatively flat tibial articular surfaces
Is the medial meniscus fixed or mobile?
Fixed
Is the lateral meniscus fixed or mobile?
Mobile
What happens in regards to the tibia during knee pivoting?
Internally rotates on flexion and externally rotates on extension
What ligament resists valgus stress?
Medial collateral ligament
What ligament resists varus stress?
Lateral collateral ligament
What does the anterior cruciate ligament resist against?
Anterior subluxation of the tibia and internal rotation of the tibia in extension
What does the posterior ligament resist against?
Posterior subluxation of the tibia i.e. anterior subluxation of the femur and hyperextension of the knee
What resists against external rotation of the tinia in flexion?
The posterolateral corner - The PCL and the LCL with popliteus and other small ligaments
What miniscal tears can occur in the over 40’s?
Atraumatic spontaneous degenerative tears
What meniscal tears wont heal?
Radial tears
When would you consider arthroscopic repair?
in acute peripheral tears in younger patient
When would a patient have 15 degree springy block to extension?
Displaced bucket handle tear
What may develop if the knee remains locked?
FFD
What may a degenerative tear represent?
1st stage OA
