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Unformatted text preview: Chapter 7 Chapter 7 Body Weight and Composition Body Comp and Weight
Body Comp and Weight 1991 – 4 states reported a prevalence rate of obesity greater than 15 percent. No state reported greater than 20%.
2007 – Only Colorado reported a prevalence rate less than 20%. No sex, age, state, or racial group, or educational level is spared from the problem of overweight. However problem is worse for the young and the poor. What is a healthy Body Weight? What is a healthy Body Weight? What is overweight? What is obese? 3 Things to take into consideration:
Fat Distribution The absence of any medical conditions (such as diabetes or hypertension) that would suggest a need for weight loss. DEFINE
DEFINE BMI Body Fat Distribution – Obese Men tend to accumulate abdominal fat , whereas obese women tend to accumulate fat on the hips and thighs. Women shift where they store their weight after menopause to the ____________, which is why their risk of cardiovascular disease increases. Body Fat Distribution
Body Fat Distribution
Healthy Ranges: Men – 11 20% Women 17 – 30% Athlete: Men – 5 – 10% Women – 15 – 20% Below a certain BF% hormones can not be produced, depression, abnormal appetite, lack of menstruation, infertility… What factors influence your weight? What factors influence your weight? Individual and Environmental
Genetics Neither parent obese ____ chance
Both parents obese – _____ chance
** Adopted children also tend to be similar in weight to their biological parents. Twin Studies support a genetic tendency toward obesity. Genes associated with obesity? Continuation…
Continuation… Gender and Age
*Poor childhood eating habits are believed to be a major cause of the recent surge in overweight and obesity.
Important times in life when changes occur: College
Girls during puberty 12% 25% BF Body preparing them for childbearing
Store on the hips, thighs and butt. Boys during puberty – 12% 15% BF Geared more toward muscle development What factors influence your weight?
What factors influence your weight? AGE Married men weigh more than men who have never been married
As both genders enter their 50’s they have serious potential to gain some serious weight.
At the age of 60 and beyond, weight tends to decline. This loss can be attributed to: decreased caloric needs, less muscle tissue, and less body mass. Other Factors
Other Factors Food environments: food choices, eating out, larger portions
Lifestyle influences on weight
Dieting: fad diets
Prescription drugs Live Life
Live Life Size Acceptance Movement – Set Goals, Be Active, Manage behavior.
Promote healthy foods 1985 – 2000 the cost of fruits and veggies increased 117%. Soft drinks increased 20%. ...
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