Fingers & Thumb Manual Muscle Testing
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Questions and Answers

What is the normal range of motion for PIP joint flexion?

  • 0-90 degrees
  • 0-110 degrees
  • 0-80 degrees
  • 0-100 degrees (correct)

    • Which muscle is primarily responsible for PIP joint flexion?

  • Extensor digitorum
  • Extensor indicis
  • Flexor digitorum profundus (correct)
  • Flexor digitorum superficialis

    • What is the major substitution for PIP joint flexion if the DIP joint is allowed to flex?

  • Extensor digitorum
  • Flexor digitorum superficialis
  • Flexor digitorum profundus (correct)
  • Extensor indicis

    • In the DIP test, what should the position of the forearm be for Grade 1 (Trace) level?

    <p>Mid-position</p> Signup and view all the answers

    What is the normal range of motion for finger abduction?

    <p>0-80 degrees</p> Signup and view all the answers

    Which muscles are the prime movers for finger metacarpophalangeal (MP) flexion?

    <p>Lumbricales, Flexor digitorum superficialis, Flexor digitorum profundus</p> Signup and view all the answers

    Which grade on manual muscle testing (MMT) indicates normal strength for finger MP flexion?

    <p>Grade 5</p> Signup and view all the answers

    What should a patient do when instructed for Grade 3 on MMT for finger MP flexion?

    <p>Uncurl the fingers while flexing the knuckles and hold it without allowing straightening of the knuckles</p> Signup and view all the answers

    What is the possible substitution that may occur during finger MP flexion?

    <p>Flexor digitorum superficialis substituting for lumbricales</p> Signup and view all the answers

    What does a grade of 1 on MMT indicate for finger MP flexion?

    <p>Minimal motion</p> Signup and view all the answers

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