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Weight Management

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Weight Management Overview Height and weight Obesity Fat Metabolism Weight loss / gain Spot reduction Our country has a problem Overweight ... – PowerPoint PPT presentation

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Title: Weight Management


1
  • Weight Management

2
Overview
  • Height and weight
  • Obesity
  • Fat
  • Metabolism
  • Weight loss / gain
  • Spot reduction

3
Our country has a problem

4
Overweight
  • Body weight that exceeds the norm based on
    height and frame size
  • Standard weights were established in 1959! By
    who?
  • New standards in 1983 (not accepted . . .
    weights were too liberal)
  • What is wrong with these charts?

5
BMI CHART
6
Obesity
  • Condition of having an excess amount of body
    fat
  • Men gt ___ Women gt ___
  • 1960 ___ obese
  • 2000 ___ obese
  • 65 of U.S. either overweight or obese

7
Obesity and health
  • _________ deaths per year attributed to
    obesity
  • Hypertension _____ as common in the obese
  • Over _____ of the individuals
  • with diabetes are overweight

8
Contributors to obesity

9
Endocrine influence
  • I am heavy because I have a slow metabolism
  • Is an under active thyroid really the problem?
  • It is for about ___ of the obese population!

10
Obesity
  • Upper body obesity
  • Male pattern (android)
  • Apple shaped
  • Lower body obesity (gynoid)
  • Female pattern
  • Pear shaped

11
Weight gain per year
  • Average American gains ___ lb(s) a year after
    age 25

12
Review
  • 1. What are the two factors
  • used to determine BMI?
  • 2. List two or three of the main contributors to
    obesity
  • 3. Male pattern obesity is called?

13
Fat
  • Energy source at rest and during low intensity
    exercise
  • A well nourished adult meets 90 of resting
    energy needs from fat
  • Vital for normal bodily functions
  • Normal levels for males females
  • Essential levels for males females

14
Fat Cells
  • Overfatness can actually cause an increase in
    the of fat cells (in children)
  • Excessively large fat cells can cause dimples
    under the skin
  • - This is called _______________
  • Is this a special kind of fat?
  • How do you get rid of it?

15
Metabolism
  • Basal Metabolic Rate (BMR)
  • Amount of energy (kcal) your body burns per
    day
  • Estimate your BMR

16
Metabolism
  • Average adult BMR is about _____ kcal
  • Higher for males or females? Why?
  • Additional caloric requirements
  • - Sedentary lifestyle _____ kcal/day
  • - Hard physical labor _____ kcal/day

17
Fasting / crash dieting
  • Glycogen stored depleted
  • With every gram of carbohydrate used by the
    body 2.5 grams of water is lost
  • So large/fast initial weight loss is usually
    mostly water!
  • Depleting your current glycogen stores 5
    lb wt loss

18
Spot reduction
  • Is it possible?
  • Early research said yes
  • Subsequent research says no
  • Fat mobilization during exercise
  • - Those areas of highest
  • concentration?
  • - Equally from all areas?

19
How many meals per day?
  • Remember Dr. Mikats lecture
  • All depends on total _______?

20
Think about it!
  • Average caloric intake 2,500 kcals
  • 1,000,000 calories per year
  • Wt gain of lb/year an imbalance of only 3,500
    kcals
  • Body can balance caloric intake to within one
    potato chip per day of what is expended!!!!!

21
Energy expenditure
  • ___ Resting metabolic rate (RMR)
  • ___ Thermal effect of activity (TEA)
  • ___ Thermal effect of a meal (TEM)

22
Recent study
  • Examined perceived and
  • actual caloric intake
  • Subjects underestimated their calories consumed
    by _____!
  • Subjects overestimated energy expenditure by
    _____!
  • Probably the two main reasons we are obese!

23
What about gaining weight?
  • The few . . . the lucky . . . the few!!!!!
  • What is the equation you MUST follow?

?
24
Personal experience
  • Me . . . freshman year of college
  • Entered college August 1988 _at_ 185 lbs
  • April 1989 (8 months) weighed 235 lbs
  • What we did
  • Lifted heavy
  • Eat, eat, eat, eat, eat, eat, eat, eat, eat
  • What about supplements?

25
What about you?
  • Freshman gain on average _____ lbs?
  • Culprits
  • ?
  • ?
  • ?
  • ?
  • ?

26
Be diligent!
  • Thanksgiving break (one study reported)
  • Overweight students gained more than 2 lbs
  • Normal weight students gained less than .5lb
  • 2 months later
  • ? Overweight students hadnt lost the weight .
    . . normal weight students had

27
Review
  • 1. What is cellulite?
  • 2. How do we burn most of the calories that we
    burn on a daily basis?
  • 3. What is the secret to gaining weight?

28
Take home message
  • If your goal is to lose weight . . .
  • Stop thinking in terms of dieting or being on a
    diet . . .
  • And start thinking in terms of healthy
    lifestyle choices!

29
Any final questions?
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