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Firs quarter module in self testing activities
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What is Physical Fitness? Physical fitness is to the human body what fine tuning is to an engine. It enables us to perform up to our potential. Fitness can be described as a condition that helps us look, feel and do our best. Physical fitness involves the performance of the heart and lungs, and the muscles of the body. And, since what we do with our bodies also affects what we can do with our minds, fitness influences to some degree qualities such as mental alertness and emotional stability. Benefits of Exercise
Chemicals called neurotransmitters, produced in the brain, are stimulated during exercise. Since it’s believed that neurotransmitters mediate our moods and emotions, they can make us feel better and less stressed. (FIT FACTS, American Council of Exercise – 2006)
Research has shown that during moderate exercise, several positive changes occur in the immune system. Various immune cells circulate through the body more quickly, and are better able to kill bacteria and viruses. (Exercise immunology, Current Sports Medicine Reports – 2003) Exercise Can Improve your SEX Life! Men who exercise vigorously 20-30 minutes were about half as likely to have erection problems as inactive men. (Harvard School of Public Health, 2003 ) o Women’s sex lives can also benefit. In a recent study of women’s vaginal responses (blood flow to the genital tissue) was 169 percent greater after exercising. (University of Texas at Austin) o Doctors believe that exercise has the effect it does on increasing sexual potency because it strengthens the cardiovascular system and improves circulation. Good circulation is important for sexual function. (FIT FACTS, American Council of Exercise – 2006) KNOWING THE BASICS Physical fitness - is most easily understood by examining its components, or “parts.” z Aerobic Fitness or Cardiorespiratory Endurance – the ability to deliver oxygen and nutrients to tissues and to remove wastes, over sustained periods of time. Guidelines: 20-30 minutes of exercise to raise your heart rate most days.
There are five components of physical fitness:
(1) Walking briskly (about 3 miles per hour or faster but not race walking). (2) Water aerobics. (3) Bicycling, riding less than 10 mph. (4) Tennis (doubles). (5) Ballroom dancing. (6) General gardening.
b. Examples of vigorous-intensity physical activities.