1. Healthy Weight for Teens Body Mass Index (BMI) & Basal Metabolic Rate (BMR)

2. Health Trends  In 1990, 10.0% of teens were overweight  Today, 22.0% of teens are overweight Why? *Sedentary lifestyle *Technology *Increase in convenience foods *Increase in meals eaten out *Portion sizes have increased *What else??

3. Body Weight  Determined by: *height, heredity, gender, level of activity, energy intake and body composition  Healthy weight is the weight that does not present any health risks.

4. Activity Level & Body Composition  Energy balance…calories in must equal calories out or else weight is gained or lost  One pound of fat = 3500 calories  Body composition…lean body mass vs. body fat  Lean body mass consists of muscle, bones, and organs  Measured using calipers and underwater testing

7. Calculating your own BMI  Body weight x 703_____  Step 1 result divided by Height (in.) _____  Step 2 result divided by Height (in.) _____  Your own BMI ______ Normal/Over/Under/At-risk/ ???

8. Does this number absolutely mean I’m over/underweight??  Not necessarily…other factors that are not taken into consideration when calculating BMI are: *Body Fat % *Frame Size…sm/med/lg frame *Growth rates

9. Overweight & Obese  Overweight: weighing more than recommended for one’s height  Obese: BMI of 30 or higher with an excess of body fat  Health risks: –Type 2 diabetes –High blood pressure –High cholesterol –Heart disease –Stroke –Depression

10. Basal Metabolic Rate  Men: BMR = 66 + (13.7 X wt in kg) + (5 X ht in cm) - (6.8 X age in years)  Women: BMR = 655 + (9.6 X wt in kg) + (1.8 X ht in cm) - (4.7 X age in years)  Note: 1 inch = 2.54 cm. 1 kilogram = 2.2 lbs.

11. Calculating your own BMR  Men: 66 + (13.7 X wt in kg) + (5 X ht in cm) - (6.8 X age in years)  1 inch = 2.54 cm. 1 kilogram = 2.2 lbs.  Height in inches x 2.54= _____ cm  Weight in lbs divided by 2.2=____kg  66 + (13.7 X _____) + (5 X ____) - (6.8 X ____)  Your own BMR ______ calories/day

12. Calculating your own BMR  Women: BMR = 655 + (9.6 X wt in kg) + (1.8 X ht in cm) - (4.7 X age in years)  1 inch = 2.54 cm. 1 kilogram = 2.2 lbs.  Height in inches x 2.54= _____ cm  Weight in lbs divided by 2.2=____kg  655 + (9.6 x ___) +(1.8 x ___) – (4.7 x ___)  Your own BMR is _______ calories/day