Bones o Femur, Tibia, Patella Ligaments o Anterior Cruciate Ligament (ACL) o Posterior Cruciate Ligament (PCL) o Cruciate = Crossing o Medial Collateral

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  • Bones Femur, Tibia, Patella

    LigamentsAnterior Cruciate Ligament (ACL)Posterior Cruciate Ligament (PCL)Cruciate = Crossing

    Medial Collateral Ligament (MCL)Lateral Collateral Ligament (LCL)Collateral = support / at the side

    MeniscusMedial and lateral Meniscus

  • Valgus forcesSwelling over the medial joint lineDecrease in ROM

    Grade 2 or higher should be placed in a straight leg immobilizer with crutchesTypically does not require surgery for repair

  • http://www.sportsmd.com/SportsMD_WatchVideo/vid/313.aspx

    http://www.youtube.com/watch?v=wPSXIltT0Bs (MUTE)http://www.youtube.com/watch?v=j_Mdm4v-ty8&feature=results_video&playnext=1&list=PLDD2266210072D934

  • Rare injuryVery awkward mechanismVarus forcetheanglepointing awayfromthemidlineForce from the medial side of knee

    No surgery

    RG IIIhttp://espn.go.com/nfl/story/_/id/8729737/robert-griffin-iii-washington-redskins-does-not-major-knee-injury

  • http://www.youtube.com/watch?v=ubP-1WaFeEc

  • Very rareMay not need to be repairedStrongest but least important ligament in the kneeHyperflexionOften occurs when falling with a bent kneeCommon in car accidents when the knee hits the dashboard

    Posterior Drawer Test

  • Contact or non-contactUsually considered a cutting injurypop with immediate dysfunctionUsually associated with meniscus injury95% of cases require some surgery for return to sports6 to 8 month rehabilitationAutograft vs. Allograft

    http://www.youtube.com/watch?v=QrvHzaDxBug&feature=relatedhttp://www.youtube.com/watch?v=lpIOMuqXWrE&feature=related

  • cartilageShock absorbersIncrease joint congruencyIncrease joint stabilityInjury MechanismRotationExtreme knee flexion

  • http://www.youtube.com/watch?v=WuVHWZX91KY

  • Decrease swelling/ecchymosis/painIncrease ROMIncrease strengthWithin 85% of the uninvolved legIncrease weight bearingIncrease functionReturn to partial activityReturn to full activity

  • ACL LachmansAnterior DrawerPivot-shiftMCL Valgus Stress TestLCL Varus Stress Test

    PCLPosterior DrawerMeniscusMcMurray TestBounce HomePatellofemoral Tests

  • Knee Replacement Surgery

  • Rugby is dangerous to the knees.

    Basketball Dislocation.

    The U.

    Houstons football team is terrible.