Presentation on theme: "Physical Fitness For Life Chapter 4"— Presentation transcript:
1 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
2 Benefits of Physical Activity Cardiovascular systemRespiratory systemNervous systemMuscular and Skeletal systemMental/EmotionalReduce stress MoodsDecrease Depression Self-confidenceDecrease Mental FatigueSocialSocial situations RelationshipsInteraction/cooperation
3 Effects of Exercise on the Brain Dr. John Ratey = clinical professor of Harvard UniversityExercise 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”.
4 Negative Effects of Sedentary Lifestyle Unhealthy weight gain, linked toCardiovascular DiseaseType II DiabetesCertain CancersOsteoporosisInability to handle stressDecrease in social skills
5 Elements of FitnessCardiovascular 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
6 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.
7 The workout F = frequency: How often? I = Intensity: How hard? T = Time/duration: how long?T = Type of activityTarget Heart Rate = number of times a heart should beat in one minute during a strenuous workout to benefits.