Health Sciences 1001A/B Chapter Notes - Chapter 4: Hypotension, Dysphonia, Bone Density
20 Apr 2018
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Chapter 4: obesity and weight management: 65% canadian adults overweight, including 15% who identify as obese. 20% and 20-30% respectively: obesity doubles mortality rates and can reduce life expectancy by 10-20 yrs. Gym: judgement: health care professionals not doing job to help this serious condition, attack problem, not ppl. Hydrostatic (underwater) weighing and bod pod: one of the most accurate techniques, lean ppl weigh more underwater and sink, bod pod uses air- a pressurized sensor determine the air displaced. Skinfold measurements: measures the thickness of fat under the skin, plugged into formulas to calculate body fat percentage. Electrical impedance analysis: electrodes attached to the body and a harmless electrical current is passed b/w electrodes, electrical current prefers fat free tissue, computer calculates body fat percentage from the info. Scanning procedures: highly accurate, but expensive equipment, ct, mri, dexa, futrex 1100, tobec machines.
