BPK 140 Chapter Notes - Chapter 8: Caucasian Race, Celery, Binge Eating

• School: Simon Fraser University
• Department: Biomedical Physio & Kines
• Course: BPK 140
• Professor: Stephen Brown

Document Summary

All the definitions derive from the concept of an ideal weight. Obesity: a gross excess (often 20% or 30% excess) of body weight or body fat. Tables that show ideal weight for males and females for various heights and frame sizes: created by life insurance companies. Interested in assessing statistical risk so that the company can determine how much to charge for life insurance premiums. Determined that longevity is related to body weight. Measure while wearing shoes (or add one inch) and clothes. Problems with height-weight tables: doesn"t consider differences in body composition i. e. , they don"t look at body fat, just body weight. Body mass index: a simple ratio of weight for height, equals (body mass in kg)/(height in metres ) Often used in research cause its based on data that are easy to obtain (height and weight: usually self-reported, so its often inaccurate. Bmi classifications for ideal weight are generally based on epidemiological data (observational studies of populations)