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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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Text of Bones o Femur, Tibia, Patella Ligaments o Anterior Cruciate Ligament (ACL) o Posterior Cruciate...

  • 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

  • (MUTE)

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

    No surgery

    RG III


  • 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

  • cartilageShock absorbersIncrease joint congruencyIncrease joint stabilityInjury MechanismRotationExtreme knee flexion


  • 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.

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