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Questions and Answers
What is physical activity?
What is physical activity?
- High-intensity workouts
- A planned, structured exercise
- Any body movement that requires energy (correct)
- Only lifting weights
What is exercise?
What is exercise?
A subset of physical activity planned and structured to improve fitness.
Which of the following is a component of physical fitness?
Which of the following is a component of physical fitness?
- Overeating
- Muscular Strength (correct)
- Cardiovascular Disease
- Laziness
Regular physical activity can improve cardiorespiratory endurance.
Regular physical activity can improve cardiorespiratory endurance.
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To promote health, adults need a minimum of ____ minutes of moderate-intensity aerobic activity per week.
To promote health, adults need a minimum of ____ minutes of moderate-intensity aerobic activity per week.
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What does muscular endurance refer to?
What does muscular endurance refer to?
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Match the types of muscle fibers with their characteristics:
Match the types of muscle fibers with their characteristics:
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Which of the following improves flexibility?
Which of the following improves flexibility?
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Study Notes
Physical Activity and Exercise Concepts
- Physical Activity: Any movement by skeletal muscles that requires energy.
- Exercise: Planned, structured, and repetitive movement aiming to improve or maintain physical fitness.
- Physical Fitness: Set of attributes that enable the body to handle physical demands without excessive fatigue.
Importance of Physical Activity
- Provides numerous health benefits.
- Aids in weight management.
- Enhances physical fitness levels.
- Improves overall quality of life.
- Increases body control and energy.
Recommendations for Physical Activity
- Minimum of 30 minutes of moderate-intensity aerobic activity on 5 days a week or 20 minutes of vigorous-intensity on 3 days a week.
- Tailor activity goals based on current fitness level, health status, and objectives.
- Raise activity levels for weight management concerns.
- Seek opportunities for activity throughout the day.
Health-Related Components of Physical Fitness
- Comprised of Cardiovascular Endurance, Muscular Strength, Muscular Endurance, Flexibility, and Body Composition.
Cardiovascular Endurance
- Defined as the ability to perform dynamic exercise at moderate to high intensity for extended periods.
- Improved functions include a stronger heart, slower resting heart rate, increased blood volume, better tissue blood supply, enhanced bodily control, and decreased resting blood pressure.
- Activities to enhance endurance include walking, jogging, cycling, and aerobic dancing.
Muscular Strength
- Measured by lifting a set weight and comparing results to established norms.
- Consistent muscle training leads to strength gains.
- Any rigorous activity that strains muscles until fatigued promotes strength improvement.
Muscular Endurance
- Ability of muscles to exert force continuously without tiring.
- Strength training focuses on size, while endurance training emphasizes cardiovascular efficiency and oxygen delivery.
- Involves different muscle fibers:
- Fast Twitch Fibers: Contract quickly, tire quickly, useful in sprints.
- Slow Twitch Fibers: Better suited for endurance, less fatigue, rely on oxygenated blood.
Flexibility
- Describes the range of motion around a joint.
- Enhances smooth movement coordination and injury prevention.
- Specific to individual joints and influenced by ligament and tendon tightness.
- Can be improved through various stretching activities, which can be categorized into three common types.
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