Orthopaedic test : Knee

  • Ligaments test
  1. Valgus stress test
    • To assess the medial collateral ligament / MCL tear or strain
    • Excessive movement and/or pain
  2. Varus stress test
    • To assess the lateral collateral ligament / LCL tear or strain
    • Excessive movement and/or pain
  3. Anterior drawer test
    • To assess anteiror cruciate ligament / ACL tear or strain
    • Excessive movement and/or pain
  4. Posterior drawer test
    • To assess posterior cruciate ligament / PCL tear or strain
    • Excessive movement and/or pain
  5. Lachman’s test
    • To assess anterior cruciate ligament / ACL tear or strain
    • Excessive movement and/or pain
  6. Posterior sag sign
    • To assess posterior cruciate ligament / PCL injury
    • Tibi drops or sags posteriorly
  7. Apley’s distraction test
    • To assess MCL and LCL / LCL injury if pain on lateral rotation, MCL injury if pain on medial rotation
    • pain produced
  • Meniscus tests
  1. McMurray test
    • To assess menisci / medial meniscal injury with valgus stress(external rotation), lateral meniscal injury with varus stress(internal rotaion)
    • clicking, blockae movement or pain
  2. Apley’s compression test
    • To assess menisci / medial meniscal injury in pain on medial side, lateral meniscal injury if pain on lateral side
    • pain produced
  3. O’Donohue test
    • To aseess knee capsule and menisci / capsular irritation or miniscal teat
    • Pain produced
  4. Bounce Home test
    • To assess menisci and loose bodies / menisci tear or a loose bodies
    • knee cannot be fully extended with pain produced
  • Patellofemoral Syndrome
  1. Clarke’s test
    • To assess the patellofemoral joint / Patellofemoral syndrome, chondromalacia patella
    • Pain, crepitus
  2. McConell’s test
    • To assess patellofemoral tracking / with medial glide(medial patellofemoral tracking issue), with lateral glide ( lateral patellofemoral tracking issue)
    • pain is relieved when with medial glide or lateral glide
  3. Passive patellar tilt
  4. Patellar apprehension test
    • To assess patella /dislocation of the patella
    • positive : pain
  5. Waldron’s test
    1. To assess the patellofemoral joint / Patellofemoral syndrome
    2. positive : pain, crepitus and poor patellar tracking
  • Etc..
  1. Patellar tap test
    1. To assess knee joint structure / swelling due to ACL, PCL, meniscal injury
    2. clicking and pain, rebounds with pressure
  2. Quadriceps angle test
  3. Ballottable Patella = Major effusion test = patella tap test
    • To aseess for major increase in the synovial fluid within the knee joint capsule following an acute knee injury
  4. Brush = minor effusion test
    • To aseess for lesser amounts of synovial fluid within the knee joint capsule following an acute knee injury
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