Physical Activity for Life 7 Reasons why you should exercise

In this lesson you will learn Analyze how regular physical activity will enhance and maintain health Describe the effects of regular physical activity on body systems. Assess how regular physical activity aids in disease prevention Combine Physical activity into your daily life

physical activity Any form of movement that causes your body to use energy

physical fitness The ability to carry out daily tasks easily and have enough reserve energy to respond to unexpected demands

sedentary lifestyle A way of life that involves little physical activity.

osteoporosis A decrease in bone density, producing fragile bones

metabolism The process by which your body gets energy from food

Elements of Fitness

The ability of the heart, lungs and blood vessels to work efficiently during long periods of activity. cardio respiratory endurance.

A step test is a good way to measure cardio respiratory endurance.

Muscular Strength The ability to exert maximum force, such as lifting the heaviest weight you can budge, one time. It is possible to have muscular strength in one area, say your arms, while lacking strength in another area such as your legs.

Muscular Endurance The ability to hold a particular position for a sustained period of time or repeat a movement many times. This could be the capability required to hold a two- pound weight above your head for five minutes or the effort required to lift that weight 20 consecutive times.

Flexibility The ability to move a joint through its full range of motion; the elasticity of the muscle. This is how limber you are.

The sit and reach test Is a good way to determine your general level of flexibility.

Body composition is the ratio of body fat to lean body tissue.

The proportion of fat in your body compared to your bone and muscle. It does not refer to your weight in pounds or your "figure-type."

EXERCISE Is purposeful physical activity that is planned, structured, and repetitive and that improves or maintains personal fitness.

aerobic exercise Include running, cycling, swimming, and dancing

aerobic exercise

resistance exercises Include isometric exercise, isotonic exercise, and isokinetic exercise

Lifting free weights is a form of isotonic exercise.

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Side effects of anabolic steroid consumption sterility, hair loss, acne

It is illegal to use anabolic steroids without a prescription.

resting heart rate decreases when a person becomes physically fit.

frequency is a measure of how often you perform an activity.

workout is the portion of the exercise program when activity is at its peak.

warm-up Should be the first stage in any physical activity routine.

You should perform a cool down to prepare your muscles for a return to the resting state.

cross training a variety of exercise routines that work different body systems.

Safety tips for all sports and training have a health screening, obey rules and restrictions

muscle cramp A minor injury that might result from physical activity.

A sprain is an injury to a ligament

The R.I.C.E. procedure is useful for minor injuries

Symptoms of dehydration dizziness, fatigue, muscle cramps

Staying hydrated during physical activity is important in all types of weather.

Safety tips for water sports avoid drugs and alcohol, learn to swim

You should never swim alone.

Whitening of the skin and lack of feeling are early warnings of frostbite.

Herbal supplements cannot substitute for healthy eating.

Sleep On average, teens need eight to ten hours of sleep every night to function at their best

sleep restful state in which there is no conscious thought Your heart slows down ten to 15 beats per minute during sleep

Side effects of getting too little rest slowed reaction time, forgetfulness, irritability

TEST Check out Study Guide at: On the Angel Page.