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Unformatted text preview: Nutrition Lifetime Fitness Lesson 6, Chapters 7 and 8 I. Why do you need to know about nutrition? II. Basic Principles of Nutrition i) 3 Essential nutrients (1) Three major roles (a) Growth (b) Regulation (c) Supply energy (2) Carbohydrates (3) Fats (4) Protein ii) Regulator (Micronutrients) nutrients: (1) Minerals (2) Vitamins (3) Water iii) Over-nutrition (1) Eating too much of a specific food or nutrient (2) Common problem in the United States (3) Can lead to obesity iv) Energy value of food is measured in calories (a) Carbohydrates = 4 calories per gram (b) Fat = 9 calories per gram (c) Protein = 4 calories per gram (d) Alcohol = 7 calories per gram III. Carbohydrates (CHO) A. 55% of total intake should by accounted for by CHO B. Provide body with energy C. Types of Carbohydrates i) Simple carbohydrates (1) Types (a) Glucose (b) Fructose (c) Lactose (d) Sucrose (2) Empty calories (3) Replaces other nutritious foods ii) Complex carbohydrates (long glucose chains) (1) Starches (2) Found in cereal grains, potatoes, and beans iii) Fiber (1) Not digested in small intestine (2) Low fiber diets are blamed for intestinal problems...
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- Spring '08