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39 Cards in this Set
- Front
- Back
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What type of joint is the knee?
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Hinge (femur/tibia) and Plane/gliding (Femur/patella)
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What does the stability of the knee depend on?
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muscles, tendons and ligaments
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What are the 3 extrinsic ligaments that strengthen the knee joint?
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Patellar, Fibular collateral, Tibial collateral
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Which extrinsic ligament of the knee is round and cordlike?
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Fibular Collateral
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Which extrinsic ligament of the knee is flat and broad?
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Tibial collateral
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What muscles are the most important for the stability of the knee?
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Quads
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What direction does a patellar dislocation usually occur?
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Lateral
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What separates the FCL from the joint cavity?
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Tendon of the popliteus
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Which extrinsic ligament of the knee is stronger, the FCL or TCL?
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FCL
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What is attached to the tibial collateral ligament?
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Medial Meniscus
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Where would pain occur in sprains of the external ligaments of the knee?
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Near their attachments
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What are the 2 cruciate ligaments of the knee and which is stronger?
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Anterior and Posterior (stronger)
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Which ligament of the knee prevents posterior displacement of the femur on the tibial (hyperextension)?
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ACL
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Which ligament of the knee prevents anterior displacement of the femur or posterior displacement of the tibia (hyperflexion)?
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PCL
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What is the main stabilizer of the femur when walking downhill?
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PCL
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Cruciate ligaments of the knee are inside the ____ but outside the ____ ____ of the joint.
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inside the capsule, outside the synovial cavity of the joint
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How do tears of the meniscus usually present?
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Tenderness at the joint line
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Where do meniscus lie?
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Articular surface of tibia
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What 3 bursa DO NOT communicate with the synovial cavity of the knee joint?
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Subcutaneous prepattelar, subcutaneous infrapatellar and deep infrapatellar
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Inflammation of which two bursas may lead to a Baker's cyst?
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Gastrocnemius and Semimembranosus bursas
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Inflammation of which bursa would give you "housemaid's knee?"
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Subcutaneous prepatellar
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Inflammation of which bursa would give you "Clergyman's knee?"
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Subcutaneous infrapatellar
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What supplies blood to the knee?
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5 genicular branches of the popliteal artery
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What is the "Unhappy Triad?"
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Rupture of tibial collateral ligament, medial meniscus and ACL (lateral blow to the knee)
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What is it called when the cartilagenous covering on the deep aspect of the patella is worn away? Often in long distance runners?
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Chondromalacia, Runner's Knee or Patellofemoral syndrome
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Where is meniscus most likely to heal?
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Closer to the periphery where the blood supply is better
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What is the most commonly injured joint of the body?
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Talocrural (ankle)
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What type of joint is the talocrural (ankle)?
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Hinge joint
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What functions does the talocrural joint preform?
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Plantar and Dorsiflexion
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What type of movement would injure the deltoid (medial) ligament?
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Eversion
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What ligament would an inversion sprain of the ankle injure?
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Anterior Talofibular (Lateral Collateral Ligament)
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When would a Pott's fx occur?
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Eversion of the foot
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What type of fracture happens due to eversion of the foot and when the medial malleolus is avulsed and the lateral movement of the tallus breaks the fibula?
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Pott's fx
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What is the most common ligament sprained in the body?
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Lateral ligament (Anterior Talofibular)
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What type of ankle sprains are the most common?
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Inversion
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Talocalcaneal
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Subtalar Joint
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What type of joint is the hip?
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Ball and socket
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What is the most important ligament of the hip?
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Iliofemoral
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What does the iliofemoral ligament prevent?
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overextension of the hip joint
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