Questions and Answers
What does the grading system established to measure the strength of a muscle or a group of muscles refer to?
What is the definition of MMT grade 0?
No muscle contraction is seen or felt.
What is the definition of MMT grade 1?
Muscle contraction can be felt but no motion occurs.
What is the definition of MMT grade 2-?
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What is the definition of MMT grade 2?
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What is the definition of MMT grade 2+?
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What is the definition of MMT grade 3-?
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What is the definition of MMT grade 3?
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What is the definition of MMT grade 3+?
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What is the definition of MMT grade 4?
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What is the definition of MMT grade 5?
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Name the grades in order from least ROM to highest ROM.
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What are the two types of MMT?
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What are the two types of ROM?
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When performing MMT on a specific muscle, where do you position the body part?
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Study Notes
Muscle Grading System
- A grading system that measures the strength of muscles or muscle groups to assess functional capacity.
- Grades range from 0 to 5, indicating increasing levels of muscle strength and range of motion (ROM).
MMT Grades Overview
- Grade 0: No muscle contraction; the muscle is completely unresponsive.
- Grade 1: Muscle contraction is felt, but there is no visible movement.
- Grade 2- (Poor Minus): Incomplete ROM possible in a gravity-minimized position.
- Grade 2 (Poor): Complete ROM achieved in a gravity-minimized position.
- Grade 2+ (Poor Plus): Muscle can move through less than 50% of ROM against gravity or complete ROM with slight resistance in a gravity-minimized position.
- Grade 3- (Fair Minus): More than 50% ROM achieved against gravity.
- Grade 3 (Fair): Complete ROM achieved against gravity.
- Grade 3+ (Fair Plus): Complete ROM achieved against gravity with slight resistance.
- Grade 4 (Good): Complete ROM against gravity with moderate resistance.
- Grade 5 (Normal): Full ROM against gravity with maximal resistance.
Grading Order of Muscle Strength
- The progression of muscle grades from lowest to highest: Zero, Trace, Poor Minus, Poor, Poor Plus, Fair Minus, Fair, Fair Plus, Good, Normal.
Types of Muscle Testing
- Group MMT: Assesses the strength of a group of muscles simultaneously.
- Specific MMT: Evaluates the strength of an individual muscle at a time.
Types of Range of Motion (ROM)
- Active ROM: Movement performed by the patient using their own muscle strength.
- Passive ROM: Movement produced by an external force without effort from the patient.
MMT Positioning
- When performing MMT on a specific muscle, position the body part at approximately 50% of its full ROM for accurate assessment.
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Description
Explore key concepts and definitions related to manual muscle testing (MMT) grades. This quiz helps you understand the grading system used to assess muscle strength, from no contraction to partial movement. Perfect for students in physical therapy or related fields.
