Body Composition<br />
Aim<br /><ul><li>   Develop an understanding of body composition </li></li></ul><li>Objectives<br /><ul><li>  To define bo...
  List the ways we assess body composition
  Calculate our energy requirements (BMR/METs)
  Discuss what is meant by a balanced diet and why    it is important</li></li></ul><li>Definition<br />IN PAIRS<br /><ul>...
Assessing Body Composition<br /><ul><li>Hydrostatic Weighing
Bioelectrical Impedance Spectroscopy
Skinfold Measures</li></li></ul><li>Play Your Cards Right ...Higher or Lower?<br /><ul><li> Next I will show you different...
 You have to guess whether the percentage of fat mass in their body is higher or lower than the person before and write it...
Energy Expenditure<br /><ul><li> Calories (Kcal)it takes 1000 cal or 1Kcal of energy to heat 1˚C
 Basal Metabolic Rate (BMR)lowest rate of energy needed for body to function at rest
 Energy Measurement (METs)ratio of a performers working metabolic rate to RMR</li></li></ul><li>Energy Expenditure<br />Ho...
Balanced Diet – Energy from Food<br /><ul><li>Write down what you had for breakfast today
Draw your food plate
Repeat for lunch and dinner
Is your diet balanced??</li></li></ul><li>Balanced Diet – Energy from Food<br />
Positive vs. Negative Energy Balance<br />Group Task <br /><ul><li> Positive Energy Balance leads to ...
 Negative Energy Balance leads to ...
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Body Composition

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A-Level Exercise Physiology

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Body Composition

  1. 1. Body Composition<br />
  2. 2. Aim<br /><ul><li> Develop an understanding of body composition </li></li></ul><li>Objectives<br /><ul><li> To define body composition
  3. 3. List the ways we assess body composition
  4. 4. Calculate our energy requirements (BMR/METs)
  5. 5. Discuss what is meant by a balanced diet and why it is important</li></li></ul><li>Definition<br />IN PAIRS<br /><ul><li> On your whiteboards: what is body composition?</li></ul>Body composition refers to the chemical make-up of the body and is split into two components:<br />- Fat Mass adipose tissue<br />- Lean Body Mass bone, muscle, organs, connective tissue<br />
  6. 6. Assessing Body Composition<br /><ul><li>Hydrostatic Weighing
  7. 7. Bioelectrical Impedance Spectroscopy
  8. 8. Skinfold Measures</li></li></ul><li>Play Your Cards Right ...Higher or Lower?<br /><ul><li> Next I will show you different sports
  9. 9. You have to guess whether the percentage of fat mass in their body is higher or lower than the person before and write it on your whiteboard</li></li></ul><li>Beth Tweddle - Gymnastics <br /><ul><li>Females 10-16%</li></li></ul><li>LOWER <br /><ul><li>Males5-12%</li></li></ul><li>HIGHER <br /><ul><li>Females 14-24%</li></li></ul><li>LOWER <br /><ul><li>Males 9-19% </li></li></ul><li>LOWER <br /><ul><li>Females 8-15%</li></li></ul><li>LOWER <br /><ul><li>Males5-8% </li></li></ul><li>Body Mass Index<br />TASK: Calculate your own body mass index<br />Weight (kg) ÷ Height x Height (m) <br />If you don’t know your weight or height use this example: <br />An eighteen year old female who weighs 55kg and is 168cm<br />
  10. 10. Energy Expenditure<br /><ul><li> Calories (Kcal)it takes 1000 cal or 1Kcal of energy to heat 1˚C
  11. 11. Basal Metabolic Rate (BMR)lowest rate of energy needed for body to function at rest
  12. 12. Energy Measurement (METs)ratio of a performers working metabolic rate to RMR</li></li></ul><li>Energy Expenditure<br />How to calculate energy used for your sport METs x 3.5 x your weight in kg ÷ 200 x duration in minutes<br />8.0 x 3.5 x 60kg ÷ 200 x 70 <br />1680 ÷ 200<br />8.4 x 70 <br /> = 588 kcal/hour<br />
  13. 13. Balanced Diet – Energy from Food<br /><ul><li>Write down what you had for breakfast today
  14. 14. Draw your food plate
  15. 15. Repeat for lunch and dinner
  16. 16. Is your diet balanced??</li></li></ul><li>Balanced Diet – Energy from Food<br />
  17. 17. Positive vs. Negative Energy Balance<br />Group Task <br /><ul><li> Positive Energy Balance leads to ...
  18. 18. Negative Energy Balance leads to ...
  19. 19. What are the implications?
  20. 20. Health?
  21. 21. Sport?</li>
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