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SC115 Principles of Nutrition

SC115 Principles of Nutrition. Unit 5 Abbe Breiter MS, RD, LD/N abreiter@kaplan.edu. Unit 5 Responsibilities. Read Chapter 6 Discussion Board – A Vegetarian Diet Multiple questions, read through directions Seminar – Should Liz or Larry Follow a High Protein Diet. What Are Proteins.

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SC115 Principles of Nutrition

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  1. SC115Principles of Nutrition Unit 5 Abbe Breiter MS, RD, LD/N abreiter@kaplan.edu

  2. Unit 5 Responsibilities • Read Chapter 6 • Discussion Board – A Vegetarian Diet • Multiple questions, read through directions • Seminar – Should Liz or Larry Follow a High Protein Diet

  3. What Are Proteins

  4. Functions of Protein Structural Working

  5. Amino AcidsEssential amino acids • Histidine • Isoleucine • Leucine • Lysine • Methionine • Phenylalanine • Threonine • Tryptophan • Valine

  6. Misconceptions About Protein

  7. Think Fitness: Can Eating Extra Protein Make Muscles Grow Larger? No • Hard work, not excess dietary protein, is the trigger for the genes to build more muscle tissue • Exercise generates cellular messages that stimulate DNA to begin the process of building up muscle fibers • A snack rich in both protein and carbohydrate eaten directly after exercise may help in this regard

  8. Another false claim • Predigested proteins (amino acid supplements) are “easy to digest” and can therefore protect the digestive system from “overworking” • The healthy digestive system handles whole proteins better than predigested ones

  9. Should Liz Follow a High Protein Diet? • Liz is a 20-year-old who is 5 feet 2 inches tall and weighs 103 pounds. She is following her dream of becoming a professional dancer, which means she has a "very active" activity level. • She knows she is not overweight by health charts; but she can't help comparing herself to the other dancers, who all seem leaner. • Her friend Silvie has been successful in losing weight and gaining muscle while following a high-protein diet. Liz decides to try it.

  10. Should Larry Follow a High Protein Diet? • Larry is a 30 year old who is 5’10” tall and weighs 185 pounds. He is a stock trader by day and a competitive body builder by night. • He recently had his body fat tested and the results showed 8% body fat. His coach would like him to lower his body fat to 5%. • He has read in muscle magazines that if he wants to build more muscle and cut his body fat he should eat a high protein diet.

  11. Discussion • Give Liz and Larry your opinion on whether they should follow this diet. You must justify your answer. • Liz and Larry are beginning to understand how this type of diet does not meet their needs as athletes. Identify recommended carbohydrate and protein needs for an athlete such as Liz and Larry, and then calculate their needs based on age, gender, and body weight

  12. Questions? Image credit: Microsoft Clip Art

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