Health Section 13.1: The Importance of Physical Activity – Flashcards
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Any movement that requires your large muscle groups to work
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physical activity
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How long should teens spend a day performing some kind of physical activity?
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60 minutes
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What are the changes that occur due to physical activity are beneficial to?
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your body, your mind, and your social interactions
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Your heart and blood vessels receive the most benefits from regular physical activity.
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Cardiovascular System
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Staying at a healthy weight can reduce your risk for developing diseases such as diabetes, heart disease, and certain cancers.
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Weight Maintenance
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Your physical activities make your bones stronger and denser.
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Bone Strength
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Physical activity improves your balance and coordination, which may, in turn, improve your athletic ability.
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Balance and Coordination
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chemicals that block pain messages from reaching your brain cells
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endorphins
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During continuous exercise, what does your brain release?
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endorphins
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People who exercise regularly are likely to be more ______ and _______, and have _________.
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1. self-confident 2. focused 3. reduced stress levels
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_______ is also an opportunity to have fun.
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Exercise
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can be a way to bond with family and friends or build new relationships.
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Physical activity
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have the energy and strength to participate in a variety of activities
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physical fitness
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List the five components of fitness.
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• cardiorespiratory endurance • muscular strength • muscular endurance • flexibility • body composition
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means that your heart, blood vessels, and lungs are able to distribute nutrients and oxygen and remove wastes efficiently during prolonged exercise.
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Cardiorespiratory endurance
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As the ________ become stronger, more blood is pumped with each beat.
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heart muscles
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The _____ become more efficient at delivering oxygen to the blood and removing carbon dioxide.
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lungs
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The capacity of a muscle or a group of muscles to produce force is called _______.
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muscular strength
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The amount of ______ you can lift is one measure of your muscular strength.
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weight
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_________ is the ability of your muscles to work for an extended time
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Muscular endurance
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requires repeated actions over an extended period of time
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Developing muscular endurance
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The ability to move a joint through its entire range of motion
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flexibility
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if done correctly, can increase flexibility and may reduce the risk of injury during exercise
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stretching exercises
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is the amount of fat tissue in your body compared to the amount of lean tissue, such as muscles and bones
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body composition
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Physical activities can be classified as:
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aerobic exercise or anaerobic exercise
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Strengthening and endurance activities can be further classified as (3):
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isometric exercise, isotonic exercise, or isokinetic exercise
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Ongoing physical activity that raises your breathing rate and heart rate
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aerobic exercise
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increase the amount of oxygen that your body takes in and uses
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aerobic exercise
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Intense physical activity that lasts for a few seconds to a few minutes is:
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anaerobic exercise
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Most anaerobic exercises develop:
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muscular strength, muscular endurance, or flexibility
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is an exercise in which muscles contract but very little body movement takes place
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Isometric exercise
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f you do ______ exercises on a regular basis, the muscles you use will become stronger
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isometric
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involves contracting and relaxing your muscles through the full range of a joint's motion
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Isotonic exercise
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you can develop muscular strength and endurance
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isotonic
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muscles contract at a constant rate
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isokinetic
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often used as therapy to rebuild muscle strength after an injury
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isokinetic
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Exercise performed with machines that ensure muscles contract at a constant rate.
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isokinetic exercise
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Intense physical activity that lasts for a few seconds to a few minutes.
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anaerobic exercise
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Exercise in which muscles contract but very little body movement occurs.
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isometric exercise
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Exercise that involves contracting and relaxing muscles through the full range of their joint's motion.
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isotonic exercise
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often used as therapy to rebuild muscle strength after an injury
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isokinetic exercise
