Knee Flashcards
What type of joint is the knee?
Hinge joint
What bones make up the knee?
Femur
Tibia
Patella
What are the articulating surfaces?
Femoral condyles
Tibial condyles
Patellar surface of femur
Articular surface of patella
Which femoral condyle is larger?
Medial - takes more weight
What is between the femoral condyles?
Anteriorly - shallow depression for patella articulation
Posteriorly - intercondylar fossa
What makes up the tibial surface?
Tibial plateau
Medial surface - slightly concave
Lateral surface - slightly convex
What type of bone is the patella?
Sesamoid
What structure deepens the articular surface of the tibial element?
Menisci
What supports the knee joint?
Ligaments
Capsule
Muscles
What are the menisci?
Wedge shaped crescentic plates of fibrocartilage
What are the functions of the menisci?
Deepen the surface of articulation
Act as shock absorbers
How are the menisci attached to the joint capsule?
Coronary ligaments
How are the menisci attached anteriorly?
Transverse ligament of the knee
What are the intracapsular ligaments?
Anterior cruciate ligament
Posterior cruciate ligament
Where does the ACL lie?
Orignates anteriorly
Passes posteriorly
Inserts laterally