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The Energy Equation

The Energy Equation. Tuesday Dec 6 th. AALLLL  13579 AZ i i dark. Kar and Jay. The Energy Equation. Energy equation : the food (or energy) we take in should closely match the effort we put out Energy storage = Energy intake – Energy output. Basal and Resting Metabolic Rate.

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The Energy Equation

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  1. The Energy Equation Tuesday Dec 6th

  2. AALLLL  • 13579 AZ • i idark

  3. Kar and Jay

  4. The Energy Equation Energy equation: the food (or energy) we take in should closely match the effort we put out Energy storage = Energy intake – Energy output

  5. Basal and Resting Metabolic Rate Metabolic rate (MR) Measures energy that needs to be consumed in order to sustain essential bodily functions Affected by age, sex, weight, lean muscle mass, and general level of physical fitness Two measures are distinguished: Basal metabolic rate (BMR) Measures MR under rigorous conditions Resting metabolic rate (RMR) Measures MR under less rigorous conditions Most common measurement in practice Calculate the MR for a 130lbs woman. MR= 130 x 10 1300 calories/day Calculating MR M- Weight (lbs) x 11= MR F- Weight (lbs) x 10 = MR

  6. Estimating Daily Caloric Need from Metabolic Rate Activity Factors Sedentary= 1.4 Moderately Active= 1.6 Highly Active= 1.8 Estimate daily Caloric Need from MR M Weight (lbs) x 11 x activity factor= energy ouput F Weight (lbs) x 10 x activity factor= energy output Calculate the daily caloric needs for a highly active 125 lbs female athlete 125x10x1.8 =2250c/day

  7. Calculating Energy Balance Calculate the energy balance for a highly active 128 lbs woman who has a daily caloric intake of 2000 kcal/day Energy intake= 2000kcal/day Energy output =128x10x1.8 =2304 Therefore the individual may lose weight

  8. Harris-Benedict Equation Harris-Benedict Equation Used to calculate your RMR Separate calculations for males and females Males: RMR = 66.5 + (5H) + (13.7W) – (6.8A)* Females: RMR = 665 + (1.9H) = (9.5W) – (4.7A)* *H = height in centimetres W = weight in kilograms A = age in years Bob weighs 68kg, is 168 cm tall and is 22 years old. What is his RMR RMR= 66.5 + (5x168) + (13.7 x 68) – (6.8 x 22) =66.5+ 804+ 931.6+-149.6 =1,653 c/day

  9. BMI • Used to measure extent to which individuals are balancing the energy equation (over or underweight relative to height) • BMI correlates well with increased risk of disease, particularly cardiovascular, pancreatic and kidney • BMI- ration of a persons weight in KG to the square of his/her height in metres • BMI=weight/height2

  10. Nutrition Portfolio Requirements for Today • This period you need to • Submit your password and login on a piece of paper • Enter today’s food, physical activity, moods • By the end of today your profile should include: • Profile completed • Food and Physical activity for Monday and today • Moods for Monday and today • Weight • Weight goal • Yesterdays journal response

  11. Strains/Sprains Assignments • Overall well done • Edit work • Think beyond the article

  12. Taping Summative • Very well done! • Good quality tape jobs, minimal windows and wrinkles • All were functional • Answered questions well

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