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CC www.TheNounProject.com Not only the lack of exercise
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Sedentary Behavior and Inactivity Physiology Killing you softly and gently
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A distinct class of behaviors (e.g., sitting, watching TV, driving) characterized by little physical movement and low energy expenditure ( Less/equal to 1.5 METs) Appl. Physiol. Nutr. Metab. 35: 725–740 (2010)
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This is the result of the “active day”
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Total Energy Expenditure For The Day 0 Kcal/day 2000 Kcal/day 1000 Kcal/day Basal Metabolic Rate Activity Thermogenesis Thermal effect of food
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More detailed! 0 Kcal/day 2000 Kcal/day 1000 Kcal/day Non Exercise Activity Thermogenesis (NEAT) Exercise
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Circulation. 2007;116:1081-1093
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Arterioscler Thromb Vasc Biol 2006;26;729-736
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Am J Clin Nutr 1995;62:722-9.
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Non Exercise Activity Thermogenesis (NEAT) Exercise Non Exercise Activity Thermogenesis (NEAT) Exercise What we thought would happen
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Non Exercise Activity Thermogenesis (NEAT) Exercise Non Exercise Activity Thermogenesis (NEAT) Exercise What really happened
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PLoS Med 3(12): e488. doi:10.1371/journal.pmed.0030488 Cross sectional study of 1921 children, 9-10 yold and 15-16 yolds Accelerometer based activity Self reported TV viewing Metabolic risk score TV viewing was NOT correlated with PA (r=0.013, p=0.58)
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Obes Res. 2005;13:608–614
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Med. Sci. Sports Exerc., Vol. 41, No. 5, pp. 998–1005, 2009
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Active Couch Potato Exerc. Sport Sci. Rev., Vol. 38, No. 3, pp. 105Y113, 2010 Appl. Physiol. Nutr. Metab. 35: 725–740 (2010 )
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Evidence for the 4 th tenet Different effects of sedentary behavior compared to “exercise” Metabolic and Mortality effects seen Through age groups Through ethnic groups Newer objective data seems to support larger self reported data
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Unpublished Data GlucoseInsulin Breaking news: New data All are statistically significative!
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IDLE Breaks Study Baker IDI Heart & Diabetes Institute Effects of acute bout of sitting time in post prandial Glc/Tg With and Without Breaks
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