Fitness Essay

3919 Words16 Pages
Fitness: Physical Activity, Nutrients, and Body Adaptations I. Fitness Fitness involves physical activity or exercise. The components of fitness are cardiorespiratory endurance, flexibility, muscle strength, and muscle endurance. All of these characteristics describe a healthy body. Today’s world encourages sedentary lifestyles that foster the development of several chronic diseases. A. Benefits of Fitness 1. Restful sleep 2. Nutritional health 3. Optimal body composition 4. Optimal bone density 5. Resistance to colds and other infectious diseases 6. Low risks of some types of cancer 7. Strong circulation and lung function 8. Low risk of cardiovascular disease 9. Low risk of type 2 diabetes 10. Reduced risk of gallbladder disease in women 11. Low incidence and severity of anxiety and depression 12. Long life and high quality of life in the later years B. The 2005 Dietary Guidelines for Americans state that people need to participate in 30 minutes of physical activity most days of the week for health benefits and 60 minutes to maintain a healthy body weight. C. Developing Fitness 1. Guidelines for conditioning that are achieved through training. (getting F.I.T.) a. Cardiorespiratory Endurance 1. Frequency – 3-5 days per week 2. Intensity – 55-90% maximum heart rate 3. Time/Duration – 20-60 minutes b. Strength 1. Frequency – 2-3 days per week 2. Intensity – enough to enhance muscle strength, muscle endurance, and improve body composition 3. Time/Duration – 8 to 12 repetitions of 8 to 10 different exercises c. Flexibility 1. Frequency – 2-3 days per week 2. Intensity – enough to develop and maintain a full range of

More about Fitness Essay

Open Document