Chapter_7_Notes_Part_3_Obesity

Chapter_7_Notes_Part_3_Obesity - Click to edit Master...

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Unformatted text preview: Click to edit Master subtitle style Physiological Changes: Health Related Physical Fitness Chapter 7 Part 3 Obesity Body Composition ~ Obesity Body composition Amount of lean body tissue vs. fat tissue Defining obesity Three Popular Definitions : : Many define obesity based upon appearance alone or the number of pounds one is overweight : Based on estimates established from normative studies of population : Based on criteria tied to rates of Mortality Classifications Weight Status BMI Waist Circumference Underweight <18.5 kg/m2 Normal 18.5-25.9 kg/m2 Overweight 25.9-29.9 kg/m2 Obese >30 kg/m2 >100cm Body Composition ~ Obesity Growth trends in adipose tissue Birth ~ 11% fat in boys and 14% in girls Fat at birth is stored in ~5 billion adipocytes The number of fat cells continues to increase in childhood Body fat declines at the onset of walking Body Composition ~ Obesity Two growth spurts in fat tissue 1st yr: fat increase in boys ~26%; in girls ~28% Puberty for boys; prepuberty and puberty for girls Greater fat mass in girls during the second growth spurt...
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This note was uploaded on 04/12/2010 for the course KIN 4512 taught by Professor Reeve during the Spring '09 term at LSU.

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Chapter_7_Notes_Part_3_Obesity - Click to edit Master...

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