PCL Injury Risk Factors and Clinical Examination
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Questions and Answers

What is the main role of the Popliteofibular ligament in preventing knee injuries?

  • Preventing excessive hyperextension (correct)
  • Anterior tibial translation
  • Varus angulations
  • Medial rotation of the tibia
  • Which ligament is commonly associated with a coincidental injury when there is an ACL tear?

  • Anterior Cruciate Ligament (ACL)
  • Posterior Cruciate Ligament (PCL)
  • Lateral Collateral Ligament (LCL)
  • Medial Collateral Ligament (MCL) (correct)
  • What is a common sign or symptom of an isolated PCL tear?

  • Instability (correct)
  • Visible deformity
  • Limited range of motion
  • Significant swelling
  • Which ligament is primarily responsible for preventing excessive varus angulations of the knee?

    <p>Lateral Collateral Ligament (LCL)</p> Signup and view all the answers

    In a PLC injury, which test is typically used to assess posterolateral corner instability?

    <p>Dial test</p> Signup and view all the answers

    What is the main function of the Popliteus tendon in knee stability?

    <p>Preventing excessive hyperextension</p> Signup and view all the answers

    What is the recommended rehabilitation approach after a PCL injury?

    <p>Focused on increasing quadriceps and gastrocnemius strength</p> Signup and view all the answers

    Which ligament is involved in the excessive tibial external rotation leading to recurvatum test findings in the posterolateral aspect?

    <p>Popliteofibular ligament</p> Signup and view all the answers

    Which graft option is typically used in surgical interventions for PCL reconstruction?

    <p>Central 1/3 patellar tendon autograft</p> Signup and view all the answers

    What exercise types are emphasized in the rehabilitation after PCL/PLC reconstruction?

    <p>Balance, proprioceptive, and motor control exercises</p> Signup and view all the answers

    What is a potential surgical technique utilized in PCL repair?

    <p>Single bundle femoral drilling</p> Signup and view all the answers

    What is a key aspect of post-lat corner rehabilitation following isolated PCL injury?

    <p>Delayed progression of knee flexion</p> Signup and view all the answers

    What type of stress is resisted by the lateral collateral ligament (LCL) in the knee?

    <p>Varus stress</p> Signup and view all the answers

    Which ligament prevents excessive hyperextension of the knee joint?

    <p>Anterior Cruciate Ligament (ACL)</p> Signup and view all the answers

    What type of external force can cause an Anterior Cruciate Ligament (ACL) injury?

    <p>Excessive flexion force</p> Signup and view all the answers

    In collateral ligament injuries, what type of stress testing is performed with the knee flexed at 30 degrees?

    <p>Valgus stress</p> Signup and view all the answers

    Which ligament is commonly injured along with the Anterior Cruciate Ligament (ACL)?

    <p>Medial Collateral Ligament (MCL)</p> Signup and view all the answers

    What type of injury is the posterior oblique ligament implicated in when the Medial Collateral Ligament (MCL) is injured?

    <p>Lateral collateral ligament (LCL) injury</p> Signup and view all the answers

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