NSD 225 Lecture Notes - Lecture 10: Specific Dynamic Action, Bariatric Surgery, Lean Body Mass
21 Feb 2017
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Metabolism = chemical reactions where there is oxidation (burning) of fuel nutrients. Energy is produced and heat is given off. Energy comes from: carbs, proteins, and fat (4,4,9) Basal metabolism: amount of energy needed at rest to do your bodily functions. ***you use more energy in the cold without enough clothing. Caffeine increases the thermogenic effect of a meal. Bmi measuring height and weight, not body composition. Balancing calories to manage weight: prevent obesity through improved eating and physical activity. Adjust calories for each stage of life. Treatment strategies: dietary therapy - controlling/reducing energy intake, physical activity - increasing energy expenditure, behavior modification, weight loss drugs, weight loss surgery. Most successful in long-term studies: no diet has a (cid:862)(cid:373)eta(cid:271)oli(cid:272) ad(cid:448)a(cid:374)tage(cid:863, track food intake. 3500 kcals = 1 lb of body fat: to lose 1 pound per week, you need to have a deficit of 500 kcals per day, regular physical activity, promotes steady weight loss, boosts self-esteem, add strength training.
