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Physical Fitness For Life Chapter 4. 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. Benefits of Physical Activity. Physical
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Physical Fitness For LifeChapter 4 • 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
Benefits of Physical Activity • Physical • Cardiovascular system • Respiratory system • Nervous system • Muscular and Skeletal system • Mental/Emotional • Reduce stress Moods • Decrease Depression Self-confidence • Decrease Mental Fatigue • Social • Social situations Relationships • Interaction/cooperation
Effects of Exercise on the Brain • Dr. John Ratey = clinical professor of psychiatry @ Harvard University • Exercise increase production growth in BDNF (brain-derived neurotrophic factor) = Miracle-Gro for the brain. • Encourages creation of new nerve cells. • Anxiety, stress, depression, concentration • “A 12 minute walk is like taking a little bit of Ritalin and a little bit of Prozac”.
Negative Effects of Sedentary Lifestyle • Unhealthy weight gain, linked to • Cardiovascular Disease • Type II Diabetes • Certain Cancers • Osteoporosis • Inability to handle stress • Decrease in social skills
Elements of Fitness • Cardiovascular Endurance = heart, lungs and blood vessels send furl and oxygen to body tissues during long periods of moderate-vigorous activity. • Muscular Strength = amount of force a muscle can exert. • Muscular Endurance = muscles ability to perform tasks over a period of time without fatigue
Elements (cont.) • Flexibility = ability to move a body part through a full range of motion (ROM). • Body Composition = ratio of body fat to lean muscle tissue.
The workout • F = frequency: How often? • I = Intensity: How hard? • T = Time/duration: how long? • T = Type of activity • Target Heart Rate = number of times a heart should beat in one minute during a strenuous workout to benefits.