BPK 342 Lecture Notes - Lecture 10: Nutrient, Weight Loss, Individual Psychological Assessment
5 Dec 2017
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Body mass index (bmi): measures height-for-weight, not body composition. Good for tracking population obesity trends cheap, majority of high-bmi north americans have excess adipose tissue. Not good for individual assessment: high muscle mass also yields high bmi; very lean and linear physique yields very low bmi (marathon runners or anorexic) Waist circumference: fat storage location is important use waist-to-hip ratio and waist circumference. Very good indicators of health risk: w:h ratio >0. 9 higher risk for men, >0. 8 for women. Waist circumference > 90cm (35. 5in) for men, >80cm (31. 5in) for women health risk increase. May be the best indicator of individuals and multiple cvd risk factors. Do(cid:374)"t (cid:373)easure body composition, but very few have large waists and little visceral adipose: much more dangerous to have higher visceral adipose than higher waist circumference. Using bmi + waist circumference + additional fitness assessments = simple, efficient, cheap, excellent. Ex/ client with slight-high bmi a(cid:374)d (cid:862)e(cid:454)(cid:272)elle(cid:374)t(cid:863) o(cid:374) (cid:271)e(cid:374)(cid:272)h- and leg-press tests = probably okay.
