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K Knee

notes

TermDefinition
knee jt no bony stability/1 of most injured jts/largest jt in body/synovial hinge jt/flex & ext possible motions/not a true hinge jt due to screw home
degrees of flexion in knee jt 120-135 degrees
genu recurvatum back knees/beyond 5 degrees hyper ext
patellofemoral jt articulation between femur & patella
Q angle in knee ext this angle ranges from 13-19 degrees in normal individuals/generally wider in women
patella triangular sesamoid bone within the quadriceps mm tendon
calcaneus most posterior tarsal bone (heel)
anterior cruciate lig function is to stop tibia from coming anterior on femur
posterior cruciate lig funtion is to stop tibia from coming posterior on femur
collateral ligaments medial collateral lig (or tibial collateral lig) & lateral collateral lig (or fibular)
medial collateral lig flat, broad lig attaching to med condyles of the femur & tibia
lateral collateral lig round, cordlike lig, attaches to lat condyle of femur & runs down to head of fibula (independent of any attachment to lat meniscus) protects jt from stresses to medial side of knee. strong, not usually injured
medial & lateral menisci locatated on superior surface of the tibia, they are 2 half-moon, wedge-shaped fibrocartilage disks/ designed to absorb shock
popliteal space diamond shaped fossa behind the knee/contains important nerves (tibial & common peroneal) & blood vessels (popliteal artery & vein)
pes anserine goose foot/ sartorius, gracilis & semitendinosus
genu valgum knock knees/ larger Q angle/ knees tend to touch/ ankles are apart
genu varum bow legs/ smaller Q angle/ knees apart/ankles touch
Created by: jessigirrl4