KIN 405 Lecture 1 and 2

obesityitselfisaproblemandcancauseimpairmentto

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Unformatted text preview: e%func:oning%of%many%important%organs%and%body%systems% and%can%lead%to%mul:ple%health%problems,%even%death.”% % • %Obesity%itself%is%a%problem%and%can%cause%impairment%to% various%organs% • Also%increases%risk%of%cardiovascular%disease,%diabetes,%and% development%of%certain%cancers% % Obesity% Obesity%Canada% (derived using skinfolds) •  Recommended%BF%content%:%15X18%%(M);%20X25%%(F).%% •  Obesity:% %%%%%BF%of%total%body%weight%(M),% % >25% •  Fat%%%↑%with%↑%age,%reaching%% 30-40% >30% %(F)% %of%total%body%weight.% NIH%&%WHO% •  BMI%=%body%weight%(kg)%divided%by%height%(m2)%gives%BMI%in% kg/m2.% >= 30 >25 •  Obesity%defined%as%a%BMI%%%%%%%%%%kg/m2,%overweight%%%%%%%%%%kg/m2% •  BMI%of% risks.% 20-25 % %kg/m2%%is%associated%with%lowest%health% Prevalence%in%Canada% •  Prevalence%of%overweight%and%obese%Canadian% Adults%(%)% 2001% 2003% 2004% Total% 47.4% 48.5% 58.8 Men% 55.6% 58.1% 65.2 Women% 39.0% 38.6% 52.4 •  Prevalence%of%obese%Canadian%Adults%(%)% 2001% 2003% 2004% Total% 14.9% 15.4% 23.4 Men% 16.0% 16.6% 23.7 Women% 13.8% 14.1% 23.2 Sta:s:cs%Canada,%Community%Health%Survey%2000X2001,%2003%and%Canadian% Community%Health%Survey,%2004.%Based%on%selfXreported%values.%% Contribu:ng%Factors%of%Obesity% •  Activity Levels – impact on systems controlling food storage and energy use. •  Diet – over consumption of foods rich in calories and fat •  Genetic predisposition more likely to store energy as fat, more vulnerable to negative effects of poor diet and limited exercise •  Metabolism – age, disease •  Endocrine dysfunction – relatively uncommon •  Environment - cultural eating habits, availability of healthy food •  Social - social eating habits •  Economic – affordability of healthy food, education •  Psychological and behavioral - emotional response to food Energy)Balance) Energy%in% = Food, Drink = Energy%out% ==> Work, Leisure, ADL (activities of daily living) Weight% Maintenance% ==> Weight Maintenance Energy)Imbalances) Energy%in% > Energy%out% % ==> Storage of excess energ...
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This document was uploaded on 03/28/2014 for the course KIN 405 at Waterloo.

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