Physical Therapy Muscle Testing
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Questions and Answers

A patient is able to complete less than 50% AROM against gravity. The patient is able to complete full AROM gravity eliminated. Which muscle grade is this?

  • 2/5
  • 1/5
  • 2+/5 (correct)
  • 3-/5

    • What is the correct gravity resisted position to MMT scapular elevation?

  • sidelying
  • sitting (correct)
  • supine
  • prone

    • What is the correct testing position for all the joints involved in a muscle length test for the wrist/finger flexors?

  • Elbow extension, forearm supination, wrist/finger flexion
  • Elbow extension, forearm supination, wrist/finger extension (correct)
  • Elbow flexion, forearm supination, wrist/finger extension
  • Elbow flexion, forearm pronation, wrist/finger extension

    • Which muscle grade describes a patient who can complete full AROM against gravity but less than moderate resistance?

    <p>3/5</p> Signup and view all the answers

    In muscle grading, which grade represents a muscle's ability to complete full AROM against only gravity with no additional resistance?

    <p>3/5</p> Signup and view all the answers

    What muscle grade is given if a patient can perform full AROM against gravity but cannot hold against moderate resistance?

    <p>3+/5</p> Signup and view all the answers

    Which specific muscle grade corresponds to the patient's ability to hold against slight resistance after achieving full AROM against gravity?

    <p>3+/5</p> Signup and view all the answers

    Which muscle grade is appropriate for a patient who achieves only partial AROM against gravity but complete AROM in a gravity-eliminated position?

    <p>3-/5</p> Signup and view all the answers

    When evaluating the biceps brachii muscle, what is the correct position of the shoulder, elbow, and forearm?

    <p>Shoulder extension, elbow extension, forearm pronation</p> Signup and view all the answers

    What is the MMT grade for a patient who can only complete full AROM in a gravity-eliminated position and achieve less than 50% AROM against gravity?

    <p>3-/5</p> Signup and view all the answers

    What position should the elbow, forearm, and wrist/fingers maintain to test wrist/finger flexor muscle length?

    <p>Elbow extended, forearm pronated, wrist/fingers extended</p> Signup and view all the answers

    What MMT grade corresponds to partial active range of motion (AROM) in a gravity-eliminated position?

    <p>2-/5</p> Signup and view all the answers

    What is the muscle length testing position for the wrist/finger flexors with the forearm supinated?

    <p>Elbow extended, forearm supinated, wrist/fingers extended</p> Signup and view all the answers

    Which of the following is NOT involved in the muscle length test for wrist/finger flexors?

    <p>Wrist/finger flexion</p> Signup and view all the answers

    Which MMT grade indicates no significant muscle activity except for a trace of a contraction?

    <p>1/5</p> Signup and view all the answers

    Which of the following best describes the testing position for the triceps brachii muscle length test?

    <p>Shoulder flexion, elbow flexion, forearm supination</p> Signup and view all the answers

    To test the muscle length of the wrist/finger extensors, which joint positions are necessary?

    <p>Elbow extension, forearm pronation, wrist/finger flexion</p> Signup and view all the answers

    Which of the following matches the normal range of motion (ROM) for shoulder flexion?

    <p>0-180 degrees</p> Signup and view all the answers

    When testing muscle length of the triceps brachii, why is forearm supination necessary?

    <p>It ensures the biceps brachii is not involved.</p> Signup and view all the answers

    For a wrist/finger extensor muscle length test, why is elbow extension and forearm pronation critical?

    <p>It elongates the wrist and finger extensors optimally.</p> Signup and view all the answers

    What MMT grade corresponds to a patient completing partial AROM against gravity and holding against minimal resistance?

    <p>3+/5</p> Signup and view all the answers

    Which goniometric measure involves using the lateral epicondyle as the axis?

    <p>Ulnar Deviation</p> Signup and view all the answers

    In goniometry, what anatomical landmark is used when measuring Shoulder Horizontal Adduction?

    <p>Top of the acromion process</p> Signup and view all the answers

    Which MMT grade describes a patient who is able to hold against moderate resistance but not able to complete full AROM?

    <p>4-/5</p> Signup and view all the answers

    What goniometric measure requires the use of the triquetrium as the axis?

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

    Study Notes

    MMT Grades

    • A patient able to perform full AROM against gravity and hold against moderate resistance has a MMT grade of 5/5
    • A patient able to perform full AROM against gravity and hold against minimal resistance has a MMT grade of 4/5
    • A patient able to complete less than 50% AROM against gravity but complete full AROM gravity eliminated has a MMT grade of 3-/5
    • A patient able to complete partial AROM gravity eliminated has a MMT grade of 2-/5
    • A patient able to complete full AROM against gravity but not hold against resistance has a MMT grade of 3/5
    • A patient able to complete less than 50% AROM against gravity has a MMT grade of 2/5

    Muscle Length Test Positions

    • The testing position for muscle length test for the biceps brachii is shoulder extension, elbow flexion, and forearm supination
    • The testing position for muscle length test for the wrist/finger flexors is elbow extension, forearm supination, and wrist/finger extension
    • The testing position for muscle length test for the triceps brachii is shoulder extension, elbow extension, and forearm pronation
    • The testing position for muscle length test for the wrist/finger extensors is elbow extension, forearm pronation, and wrist/finger extension

    Gravity Resisted Positions for MMT

    • The gravity resisted position for MMT of scapular elevation is sitting
    • The gravity resisted position for MMT of shoulder internal rotation is not specified

    Normal ROM Values

    • Normal ROM value for shoulder flexion is 0-180 degrees
    • Normal ROM value for shoulder abduction is 0-180 degrees

    Goniometry Axis and Measures

    • The goniometry axis for shoulder external rotation is the greater tubercle
    • The goniometry axis for shoulder horizontal adduction is the top of the acromion process
    • The goniometry axis for shoulder extension is proximal to the ulnar styloid process
    • The goniometry axis for elbow extension is the olecranon process
    • The goniometry axis for supination is the capitate
    • The goniometry axis for wrist flexion is the triquetrium
    • The goniometry axis for ulnar deviation is the lateral epicondyle

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    Test your knowledge of muscle testing and muscle strength grading with these questions. Evaluate patients' muscle strength and range of motion with confidence.

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