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Total Body Composition Analysis “See What You’re Made Of” Who can benefit from using it? What does it mean? What do I do with my results?

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Presentation on theme: "Total Body Composition Analysis “See What You’re Made Of” Who can benefit from using it? What does it mean? What do I do with my results?"— Presentation transcript:

1 Total Body Composition Analysis “See What You’re Made Of” Who can benefit from using it? What does it mean? What do I do with my results?

2 Total Body Composition Analysis “See What You’re Made Of”  Who can benefit from using it?  Athletes  To guide and monitor fat loss and muscle gain  Overweight people  Lose fat and gain muscle  Estimate how many calories should be eaten per day to lose fat  How much additional exercise should be done to lose fat  People with declining physical function/muscle  Older people  People who have been ill  People who have taken steroids (prednisone)  Measures skeletal muscle  then can exercise to improve the result

3 Total Body Composition (Fat) Analysis  Most accurate clinical method to measure:  Total body fat  Total body lean body mass  Skeletal muscle  Resting metabolic rate

4 What do we use?  Dual-Energy x-ray absorptiometry  DEXA for short  The same technology used  By the TV show “The Biggest Loser”

5 How is a DEXA done?  Uses very low levels of radiation  Safe  Uses less radiation than flying round trip Washington DC to Los Angeles  Measures the density of body parts (such as fat and muscle)  Person lays on a padded bed on back under the scanner  Scanner takes a picture of the body  Scan is painless and fast

6 What will I learn from the test?  Lean Muscle Mass  Fat Amount  Android fat vs Gynoid fat  Android fat increases risk for heart attacks  Resting Metabolic Rate  Relative Skeletal Muscle Index  Amount of muscle that is on arms and legs

7 LEAN  Lean mass includes non-fat body parts  organs, muscle, bones, fluids  Higher the “Tissue %Lean”, the more muscular the body  GOAL: Increase muscle mass with exercise program

8 FAT  Shows your body fat %  Compares to your age group and gender  Tells you if you are “normal”, “overweight”, or “obese”

9 Example of body fat % chart comparing the result to other people of the same gender and age See next slide on how to interpret result

10 This 24 year woman’s fat % lies just below the dark middle line (the average) This person would be considered “average” and has a good body fat percentage However, an athlete may need to have a lower body fat % and can use this baseline to improve upon through diet and exercise If a person’s result shows “overweight” or “obese”… GOAL = lose weight through diet/exercise

11 ANDROIDvs GYNOID fat  Android (waist) fat is often associated with Apple-shaped body types.  Predicts risk for heart attacks  Android (waist) fat is often associated with Apple-shaped body types.  GOAL: Decrease amount of android fat with diet/exercise to decrease risk of heart attacks

12 RESTING METABOLIC RATE  Resting metabolic rate =  Resting energy expenditure  Basal metabolic rate  Estimates # of calories you burn if you do nothing but rest  Result = calories per day

13 RESTING METABOLIC RATE  Used to figure out:  How many calories a day to eat in diet +  How much calories should be burned a day through exercise to lose fat

14 RELATIVE SKELETAL MUSCLE INDEX  Relative amount of muscle in the arms and legs  GOAL FOR ATHLETES: Use exercise program to improve this value on subsequent results  Improves athletic performance

15 RELATIVE SKELETAL MUSCLE INDEX  Useful also for:  Older people who are losing muscle mass that causes falls and loss of physical function  People who have lost muscle mass due to steroids (prednisone)  People who have lost muscle due to illness  GOAL: Perform regular exercise to increase muscle mass. Can see this when test is repeated

16 Total Body Composition Analysis “See What You’re Made Of” How to use the results: - Obtain current values for fat, muscle, and calorie use - Use this to design an exercise and diet regimen - Repeat test at intervals to monitor your progress


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