Physiology of Obesity
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This 1 page Reader was uploaded by Caitlin Gibson on Saturday April 5, 2014. The Reader belongs to a course at University of Oregon taught by a professor in Fall. Since its upload, it has received 152 views.
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Date Created: 04/05/14
HPHY 410 Obesity 41 Myth unsupported and evidence against it Presumption Not proven no disproven Fact proven by randomized controlled study cause and effect Basal Metabolic Rate main component is muscle mass Words to know Obesity BMlgt or equal to 30 excess adipose tissue that has a negative effect on overall health Measure BMI WHA2 Body fat Skinfold measurements Underwater weight density BodPod DEXA scan bone mineral density and fatfree mass bioelectro impedence Waist circumference or waisttohip ratio multisite circumference test CT scan MRI Incidence Myth Adipose tissue Body Composition Presumption Subcutaneous Fat undemeath skin NHANES Fat adipose tissue where lipids are stored Hypothesis Visceral fat neararound organs BMI Good in the middle and not so good at the ends of the spectrum Not good at how weight is distributed age limitation not good measurement for body composition or adiposity fails in some populations Hormones in different types of fat insulin sensitivity SC fat cortisol caticolamines leptin production SC fat angiotensin 11 production apoptosis SC fat Triglyceride free fatty acid and glycerol Insulin suppresses glycolysis different between African American and Caucasian Gluteal and Abdominal African Americans are less insulin sensitive so they will need more insulin to produce the same response that a Caucasian would need for glycolysis if the two individuals are at the same adiposity level cellular level Higher insulin levels is related to prediabetes Fewer macrophages in SC fat across all weight levels compared to visceral fat SCsubcutaneous
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