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25 Cards in this Set
- Front
- Back
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What is the largest and most complex diarthroses of the body and one of the most commonly injured
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The knee joint
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What movements are associated with the knee joint?
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slight rotation and lateral gliding, flexion and extension
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What are the 2 separate articulations structurally of the knee?
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Tibiofemoral joint, and patellofemoral joint
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What does the patella articulate with?
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Femur
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What passes over the knee joint?
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The quadriceps femoris muscle tendon
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What is located above the patella?
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The quadriceps femoris muscle tendon
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What is embedded within the quadriceps femoris muscle tendon?
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The patella
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What extends inferiorly to the patella and attaches on the anterior surface of the tibia (at the tibial tuberosity)
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Patellar ligament
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Is the joint capsule unified in the knee, or is there a common synovial cavity?
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No
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What are on the medial and lateral sides of the knee?
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Medial and collateral ligaments.
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What reinforces the lateral surface of the knee?
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The lateral (fibular) collateral ligament
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What prevents the lower leg from moving too far medially relative to the thight?
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The LCL
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What prevens hyperadduction of the lower leg of the relative to the thigh?
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LCL
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What is varus deviation?
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hyperadduction of the lower leg, the part distal to the joint is abnormally anuglated towards the midline of the body
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What is the medial collateral ligament attached to?
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Medial meniscus
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Injury to the MCL can also injure what?
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Medial Meniscus
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What is deep to the articular capsule and within the knee joint itself?
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C-shaped fibrocartilage pads called the medial and lateral meniscus
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What do the fibrocartilage pads do for the knee joint?
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stabalize the joint medially and laterally, these pads are very delicate and avascular
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What is located deep to the articular capsule of the knee joint (2 ligaments)
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ACL, PCL
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Which ligament runs from the posterior femur to the anterior side of the tibia?
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ACL
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What is pulled tight when the knee is extended?
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ACL
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Which ligament prevents hyperextension of the knee?
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ACL
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Which ligament prevents hyperflexion of the knee?
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PCL
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Which ligament runs from the anterioinferior femur to the posterior side of the tibia?
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PCL
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What is the Unhappy Triad of injuries?
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Refers to a triple ligamentous injury of the tibial collateral ligament (mcl), medial meniscus, and anterior cruciate ligament
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