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Nutrition

Nutrition. Planning a diet. Estimating Caloric intake. A good way of looking for the amount of calories you would need in a day can be estimated with basal metabolic rates (BMR) A BMR measures the number of calories burned in a day through normal bodily activities (breathing, blinking, etc)

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Nutrition

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  1. Nutrition Planning a diet

  2. Estimating Caloric intake • A good way of looking for the amount of calories you would need in a day can be estimated with basal metabolic rates (BMR) • A BMR measures the number of calories burned in a day through normal bodily activities (breathing, blinking, etc) • An individual’s BMR varies based on age, sex, and size. Also effecting BMR can be a low calorie diet (decreases BMR) • Men: BMR = 66 + ( 6.23 x weight in pounds ) + ( 12.7 x height in inches ) - ( 6.8 x age in year ) • Women: BMR = 655 + ( 4.35 x weight in pounds ) + ( 4.7 x height in inches ) - ( 4.7 x age in years )

  3. Estimating Caloric Intake • Activity level is the next most important thing in determining our daily caloric needs • Larger athletes doing the same activities as smaller athletes would burn more calories • A good estimate of caloric needs could also include the Harris Benedict Formula that includes activity levels • Eg. A 5’10”, 180 lbs, 18 year old athlete has a BMR of almost 2000 Cal per day • If you are sedentary (little or no exercise) : Calorie-Calculation = BMR x 1.2 • If you are lightly active (light exercise/sports 1-3 days/week) : Calorie-Calculation = BMR x 1.375 • If you are moderatetely active (moderate exercise/sports 3-5 days/week) : Calorie-Calculation = BMR x 1.55 • If you are very active (hard exercise/sports 6-7 days a week) : Calorie-Calculation = BMR x 1.725 • If you are extra active (very hard exercise/sports & physical job or 2x training) : Calorie-Calculation = BMR x 1.9

  4. Estimating Caloric Intake • Using the above example, if this athlete only physical activity was Strength class, then he would multiply his BMR (2000 Cal)x1.55 for a total caloric need of 3100 Cal • If this athlete wants to lose weight, this number of calories should be decrease slightly to allow for calorie deficiency in the body, thereby burning fat (and possibly muscle) Aim for about maximum 1% loss per week to minimize muscle and nutrient loss. 3500 Cal is ~ 1 lb of fat loss, therefore a deficit of 500Cal/day will result in a 1lb reduction in body weight • Foods for this diet should be nutrient rich (apple not apple pie),with mostly low energy density foods (fruits and vegetables) that per volume contain less calories

  5. Gaining Weight • If an athlete wants to gain weight, they should increase the number of calories. About 2500 Cal increase adds 1lb of body weight, therefore, in a day add 350 – 700 Cal to add 1-2 lbs/week • In both gaining and losing weight, you should be eating at least 5 meals per day. This keeps the metabolism high and also allows for more opportunities to consume calories.

  6. Now that I know the # of calories • Once you have a caloric estimate for yourself for each day based on your weight gain/loss/maintenance, divide this by the number of meals you are going to eat in the day. Eg. 3500 Cal/5 meals per day = 700 Cal/Meal • Determine the percentage of protein/Carb/Fats you are going to be eating and use this as a measurement for each meal (or for the whole day) • Eg. 20% protein, 20% Fat, 60% Carbs diet = 140(700)Cal protein, 140(700) Cal Fat, 420(2100) Carbs = 35(175)g Protein, 15.5(78)g Fat, 105(525) g Carbs. Now use resources at your disposal to play around with mixing food to accommodate these numbers.

  7. Other Consideration • Be sure to include highly nutritious foods, sugary foods and drinks (including juice) may not be the best source of calories • Drink sufficient amounts of water. Sports drinks are also great but only really necessary when sweating a lot. • Plan meals carefully around exercise, taking in something before exercise so as to be comfortable, take in protein, maybe fat, and high glycemic carbs after workout

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