Obesity can be documentes by examining the relationship between __ and __ (BMI) or evaluating %BF.
height and weight
BMI requires simple measurements and for majority of adults it correlates well to ___ ___.
body fatness
What is the clinically preferred method of assessing obesity?
BMI
What BMI classifys you as obesity?
BMI of 30 kg m2or higher
OBESITY CLASSIFICATIONS
Class 1 BMI is
30-34.9 kg˙m2
OBESITY CLASSIFICATIONS
Class 2 BMI is
35-39.9 kg˙m2
OBESITY CLASSIFICATIONS
Class 3 BMI is
BMI > 40kg˙m2
What contributes to obesity?
Lifestyle and genetic factors
How much did the US obesity prevalence rise from 1960 to 2000?
From 13.4% to 30.9%
What fraction of American adults are either overweight or obese?
2/3
What is the culprit in etiology of obesity?
Consuming excess calories in relation of daily caloric need
What are biological factors of obesity?
Genetic predisposition leading to lower metabolic rate
What are psychological factors of obesity?
Poor body image
What huge range percentage do GENETIC factors contribute to obesity?
25-70%
study this
How many children and teens today in the US are overweight and how many are at risk of overweight?
12 MILLION and 12 MILLION
What fraction of children are at overweigh or at risk?
1 out of 6
Childrens obesity could lead to what kind of early health problems?
high BP
type 2 Diabetes (1/3 of kids born in 2000 will develop this)
high blood cholesterol
Overweight children have a ___% chance of becoming overweight adults.
70%
Epidemic of childhood obesity, how much did the rate of kids 6-19 increase in the past 25 yrs?
TRIPLED
Rapid increase in obesity in the US over the last 4 decades supports the contention that LIFESTYLE CHOICES NOT ___ are primarily responsible for the increasing prevalence of obesity.
GENETICS
COMIRBIDITIES of Obesity: (11)
CHD
CHF
Stoke
Type 2 Diabetes
Hypertension
Dyslipidemia
Gallbladder disease
Osteoarthritis
Some Cancers
Sleep Apnea
Menstrual Irregularities
Estimate how many deaths in the US each year attribute to the complication of obesity?
300,000
What is the total economic cost of obesity in 2000.
$117 BILLION
The rapid Increase in obesity apprers to be linked to low physical activity OR excessive energy intake.
BOTH
True/False
Once weight has been gained, exercise alone can result in modest weight loss.
True
Caloric restriction combined with Aerobic exercise seems to be the MOST useful in __ and __.
weight loss and weight maintenance
It is important to screen for Comorbid conditions prior to exercise testing.
Yea, like type 2 diabetes and hypertension
True/False
Standard exercise testing protocols can be used, but the choice of protocol must take into consideration the potential for severe deconditioning.
True
XENICAL is also called
Orlistat
XENICAL What does it do?
Blocks absorption of Fat in the GI
Decreases weight and blood lipids
XENICAL side effects
hypertension
MERIDIA What brain neurotransmitters does it affect?
Serotonin and Norepinephrine
MERIDIA What does it do?
Increase BMR
Decrease Hunger Pains
Evevates Energy Levels
MERIDIA side effects
increase HR and BP
Over the counter medications with what were banned due to reported Tachycardia?
meds with EPHEDRINE ALKALOIDS (EPHEDRA)
When is Bariatric Surgery used ?
For individuals with extreme obesity (BMI> 40kg˙m2 )Who have been unsuccessful in previous weight loss attempts and have serious comorbid conditions.
How does Bariatric surgeries modify the GI system response to food?
they restrict food intake
What is the recommeded exercise prescription?
Frequency days/week
5-7 days /week
What is the recommeded exercise prescription?
Intensity
Moderate (40-60 % HRR)
PROGRESSING to higher intensity (50-75%HRR)
What is the recommeded exercise prescription?
Duration?
start low and progress to 45-60 min/day
ACSM suggests 150 min/week and 200-300 min/week for more effective long term weight control
what kind of exercise helps maintain lean tissue?
resistance exercise
what is an appropriate weight loss goal?
.5 to 1 kg˙wk
what kind of fat is the bad fat?
saturated fat
Author
cici_acuna
ID
79469
Card Set
Ch 19 Exercise and Obesity
Description
classification of obesity, effects of obesity, medications and prescription for obesity