Flashcards in Joints - Knee joint Deck (23)
The knee joint is the _______ and most _______ joint.
Largest and most complex
The knee joint primarily acts as a ____ joint. Meaning it is _______.
Two _______ _____ occur within the joint cavity.
The condyles of the _____ roll along the almost flat condyles of the _____.
The knee joints performs what types of movements?
Flexion and extension
______ tendon runs through the ______ and inserts on the _____ ________.
In the knee joint, ______ prevents friction of the ______ on the _______ tendon.
Two ________ ligaments called ______ ligaments are found within the knee capsule.
Cruciate means to _____.
Two intracapsular ligaments called cruciate ligaments are found within the knee capsule.
Cruciate means to cross.
The lateral ______ are on either side of the _______ ligaments.
_______ floats into the quadriceps tendon.
The major ligaments of the knee joint become _____ when the knee is extended to prevent _________.
What are the major ligaments of the knee joint?
Extracapsular ligaments, include what? What do they prevent?
Fibular collateral ligament (lateral)
Tibial collateral ligament (MCL) (medial)
Prevent medial/lateral movement of the leg.
The MCL is located on the ______.
The intracapsular ligaments are called the ________ ligaments.
They cross each other like an ___.
Each cruciate ligament runs from the _______ ____ to the _____ _____.
The ACL or, ______ _____ _____ prevents ______ sliding of the _______.
Anterior cruciate ligament prevents anterior sliding of the tibia
The posterior cruciate ligament prevents _______ sliding of the _____ or _______ displacement of the ______.
forward sliding of the femur or posterior sliding of the tibia
Describe the stabilizing function of the cruciate ligaments?
Prevent anterior/posterior movement of the tibia with respect to the femur when not straight.
When straight, ligaments get tight to prevent hyperextension.
Lateral blows to the knee can tear what?
Tibial collateral and medial meniscus.
i.e. lateral blows affect the medial side
Recently, we found the ______-_____ ligament. Old surgeries would often break this.
How is an ACL fixed?
Take tendon from hamstring, thread it through to make new ACL.
Cartilage destroyed, bone on bone grinding, causes bone spurs, pieces of bone broken off with friction.