Nutrition Assessment & Healthy Diet Planning

Notes

Nutrition Assessment Anthropometric• Biochemical• Clinical• Dietary• These must look together, not independently• Anthropometric Measurements Height, weight, BMI - used in practice BMI - body mass index○ Downsized - doesn't directly measure body fat, cannot tell whether weight come from fat, muscle, bone, or water ○ • Percent body fat• Waist circumference - half or more than height, risk of developing obesity• Head circumference• Growth charts - WHO (weight-for-age)• compare person's measurement with standard specific for sex and age or previous measure of the same individual the measurement indicate trend in person's overall nutrition status, measurement out of line with expectation may reveal problems such as growth failure in children, wasting of body tissues in adult and obesity (excess or deficiency of nutrient) ○ • Biochemical Analyses Blood, urine sample• Can determine nutrient or enzyme levels, and DNA characteristics PKU (phenylketonuria) - inborn error of metabolism, condition which body cannot breakdown phenylalanine (A PAH-gene change causes low activity of an enzyme needed to break down phenylalanine. It mainly affects nutrient metabolism, not absorption) ○ • Not looki...