Grade 3, 4, and 5 Extensor Digitorum Test
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Questions and Answers

In which position is the patient's forearm in the given test?

  • Forearm in supination
  • Forearm in pronation (correct)
  • Forearm in mid-position
  • Forearm in neutral

    • What is the specific instruction given to the patient during the test for Extensor digitorum?

  • Bend the knuckles back
  • Extend all fingers simultaneously (correct)
  • Extend only the little finger
  • Extend only the index finger

    • Which grade indicates visible tendon activity but no joint motion?

  • Grade 5 (Normal)
  • Grade 2 (Poor)
  • Grade 4 (Good)
  • Grade 1 (Trace) (correct)

    • Where should the resistance hand be placed during the test for Grade 5 (Normal) muscle strength?

    <p>Across the dorsum of proximal phalanges</p> Signup and view all the answers

    What position should the wrist be stabilized in during the test for Grade 5 (Normal) muscle strength?

    <p>Wrist neutral</p> Signup and view all the answers

    Which muscle is responsible for finger abduction in Grade 0 (Zero) muscle strength?

    <p>Dorsal interossei</p> Signup and view all the answers

    When testing the little finger with the ring finger, which muscles are being tested in addition to the 4th dorsal interosseus?

    <p>Abductor digiti minimi</p> Signup and view all the answers

    In Grade 1 muscle strength, which muscle is readily palpable at the base of the proximal phalanx during finger abduction?

    <p>Dorsal interossei</p> Signup and view all the answers

    During finger adduction, which muscle should be avoided to prevent substitution?

    <p>Palmar interossei</p> Signup and view all the answers

    Which muscles are responsible for thumb IP flexion?

    <p>Flexor pollicis longus</p> Signup and view all the answers

    Which muscle is NOT an accessory muscle during finger MP flexion?

    <p>Extensor digitorum</p> Signup and view all the answers

    What is the prime mover for finger MP flexion?

    <p>Lumbricales</p> Signup and view all the answers

    In Grade 1 (Trace) muscle strength, what would be the expected palpation of lumbricales in the hand?

    <p>Not palpable</p> Signup and view all the answers

    What grade of muscle strength would be indicated if there is visible tendon activity but no joint motion?

    <p>Grade 0 (Zero)</p> Signup and view all the answers

    What should the patient do during the test for Grade 2 (Poor) muscle strength?

    <p>Uncurl fingers while flexing knuckles</p> Signup and view all the answers

    What is the specific instruction given to the patient during the test for Grade 2 (Poor) muscle strength of Finger MP Extension?

    <p>Bend your knuckles back as far as they will go.</p> Signup and view all the answers

    Which muscle is responsible for thumb IP flexion?

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

    During finger adduction, which muscle should be avoided to prevent substitution?

    <p>Dorsal interossei</p> Signup and view all the answers

    In Grade 1 (Trace) muscle strength, what is visible but there is no joint motion during the Finger MP Extension test?

    <p>Visible tendon activity</p> Signup and view all the answers

    During the PIP test, which grade of muscle strength includes the instruction 'Bend your index finger; hold it. Don't let me straighten it. Keep your other fingers relaxed.'?

    <p>Grade 1</p> Signup and view all the answers

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