PHYSEDU 203 Lecture Notes - Lecture 17: Brown Adipose Tissue, Sympathetic Nervous System, Leptin
11 Dec 2016
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Document Summary
Underweight: having too little body fat to maintain health. Obesity: having an excess of body fat that adversely affects health. Morbid obesity: body weight exceeding 100% of normal, creating a very high risk for serious health complications. A persons actual weight is not the only factor to consider. Determining if a person"s body weight is healthful should include: determining the bmi, measuring body composition, assessing the pattern of fat distribution. Bmi/body mass index: expresses the ratio of a person"s weight to the square of his or her height, bmi=weight (kg)/height (m)2, bmi values below 18. 5 and over 25. Body composition: measurement of body fat and lean body mass, can be measured by. Fat distribution pattern: measured by waist-to-hip ratio and waist circumference, apple-shaped fat patterning: upper body. Increased risk for chronic diseases (type 2 diabetes, heart disease, hypertenstion: pear-shaped fat patterning: lower body. No significant increased risk for chronic diseases: body fat distribution apple.
