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Questions and Answers
What is a significant benefit of incorporating a 48-hour rest interval between strength training sessions?
What is a significant benefit of incorporating a 48-hour rest interval between strength training sessions?
Which of the following best describes the term 'mode of exercise'?
Which of the following best describes the term 'mode of exercise'?
Which type of muscle contraction involves the muscle shortening?
Which type of muscle contraction involves the muscle shortening?
What is the definition of open-chain exercises?
What is the definition of open-chain exercises?
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What does isokinetic contraction imply?
What does isokinetic contraction imply?
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Which factor is NOT typically considered when selecting modes of exercise for a resistance training program?
Which factor is NOT typically considered when selecting modes of exercise for a resistance training program?
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Dynamic resistance exercises may involve which types of muscle contractions?
Dynamic resistance exercises may involve which types of muscle contractions?
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In a rehabilitation program, which strategy is NOT recommended for initiating strength training?
In a rehabilitation program, which strategy is NOT recommended for initiating strength training?
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What does the acronym FITT stand for in relation to resistance training?
What does the acronym FITT stand for in relation to resistance training?
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What is the primary purpose of maintaining appropriate alignment during resistance exercises?
What is the primary purpose of maintaining appropriate alignment during resistance exercises?
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Which element is NOT considered a part of the dosage in resistance training?
Which element is NOT considered a part of the dosage in resistance training?
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What causes substitute motions during resistance exercise?
What causes substitute motions during resistance exercise?
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Which factor is NOT considered when designing a resistance exercise program?
Which factor is NOT considered when designing a resistance exercise program?
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Why is effective stabilization important in resistance exercise?
Why is effective stabilization important in resistance exercise?
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Which aspect of resistance training must be specific to a patient's functional goals according to the SAID principle?
Which aspect of resistance training must be specific to a patient's functional goals according to the SAID principle?
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What is the main goal of using proper alignment and stabilization during manual muscle testing?
What is the main goal of using proper alignment and stabilization during manual muscle testing?
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What is the primary consideration when applying overload in a rehabilitation program?
What is the primary consideration when applying overload in a rehabilitation program?
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Which principle suggests that exercise programs should be specific to the adaptation desired?
Which principle suggests that exercise programs should be specific to the adaptation desired?
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What is the focus of exercise specificity in training programs?
What is the focus of exercise specificity in training programs?
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Which exercise factor should be adjusted to improve muscular endurance?
Which exercise factor should be adjusted to improve muscular endurance?
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What should be considered when designing exercises for joint rehabilitation?
What should be considered when designing exercises for joint rehabilitation?
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How should exercises be progressed to meet functional activity demands?
How should exercises be progressed to meet functional activity demands?
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What is meant by the term 'substitute motions' in exercise design?
What is meant by the term 'substitute motions' in exercise design?
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To create specific training effects in rehabilitation, what is essential?
To create specific training effects in rehabilitation, what is essential?
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Study Notes
Muscle Performance
- Refers to a muscle's capacity to do work (force x distance)
- Influenced by various body systems (morphological, neurological, biochemical, biomechanical, metabolic, cardiovascular, respiratory, cognitive, and emotional)
- Key elements are strength, power, and endurance
- Limitations in muscle performance can lead to activity limitations and disability.
Resistance Exercise
- Any active exercise resisted by an outside force (manual or mechanical)
- Essential for rehabilitation and conditioning programs
- Aims to improve function, prevent future injury, and enhance physical performance.
- A comprehensive examination is crucial before prescribing a resistance exercise program.
Strength, Power, and Endurance
- Strength: Ability of contractile tissue to exert force during a maximal effort
- Power: Rate at which work is done (force x distance/time)
- Endurance: Ability to sustain muscular contraction over an extended period.
Principles of Resistance Exercise
- Overload Principle: The load must exceed the muscle's current capacity to improve performance.
- SAID Principle (Specific Adaptation to Imposed Demands): Training adaptations are specific to the type of exercise performed.
- Reversibility Principle: Gains in muscle performance will be lost if training is stopped.
Muscle Fatigue
- Muscle (local) fatigue: Progressive decline in muscle response to repeated stimuli.
- Cardiopulmonary fatigue: Decline in the body's overall response to prolonged physical activity, linked to decreased blood sugar, glycogen, or potassium levels.
- Factors affecting fatigue include intensity, frequency, and duration of exercise, as well as the person's age, condition, and more.
Factors Affecting Tension in Muscle
- Morphological factors (fiber type, size and arrangement)
- Biomechanical factors (muscle length-tension relationship)
- Neurological factors (neural recruitment)
- Metabolic factors (energy reserves & availability)
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