25 Questions
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
What is the correct gravity resisted position to MMT scapular elevation?
sitting
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 extension
Which muscle grade describes a patient who can complete full AROM against gravity but less than moderate resistance?
3/5
In muscle grading, which grade represents a muscle's ability to complete full AROM against only gravity with no additional resistance?
3/5
What muscle grade is given if a patient can perform full AROM against gravity but cannot hold against moderate resistance?
3+/5
Which specific muscle grade corresponds to the patient's ability to hold against slight resistance after achieving full AROM against gravity?
3+/5
Which muscle grade is appropriate for a patient who achieves only partial AROM against gravity but complete AROM in a gravity-eliminated position?
3-/5
When evaluating the biceps brachii muscle, what is the correct position of the shoulder, elbow, and forearm?
Shoulder extension, elbow extension, forearm pronation
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?
3-/5
What position should the elbow, forearm, and wrist/fingers maintain to test wrist/finger flexor muscle length?
Elbow extended, forearm pronated, wrist/fingers extended
What MMT grade corresponds to partial active range of motion (AROM) in a gravity-eliminated position?
2-/5
What is the muscle length testing position for the wrist/finger flexors with the forearm supinated?
Elbow extended, forearm supinated, wrist/fingers extended
Which of the following is NOT involved in the muscle length test for wrist/finger flexors?
Wrist/finger flexion
Which MMT grade indicates no significant muscle activity except for a trace of a contraction?
1/5
Which of the following best describes the testing position for the triceps brachii muscle length test?
Shoulder flexion, elbow flexion, forearm supination
To test the muscle length of the wrist/finger extensors, which joint positions are necessary?
Elbow extension, forearm pronation, wrist/finger flexion
Which of the following matches the normal range of motion (ROM) for shoulder flexion?
0-180 degrees
When testing muscle length of the triceps brachii, why is forearm supination necessary?
It ensures the biceps brachii is not involved.
For a wrist/finger extensor muscle length test, why is elbow extension and forearm pronation critical?
It elongates the wrist and finger extensors optimally.
What MMT grade corresponds to a patient completing partial AROM against gravity and holding against minimal resistance?
3+/5
Which goniometric measure involves using the lateral epicondyle as the axis?
Ulnar Deviation
In goniometry, what anatomical landmark is used when measuring Shoulder Horizontal Adduction?
Top of the acromion process
Which MMT grade describes a patient who is able to hold against moderate resistance but not able to complete full AROM?
4-/5
What goniometric measure requires the use of the triquetrium as the axis?
Wrist Flexion
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
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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