Skinfolds
Subcutaneous fat represents approximately 50% of total body fat, which provides an accessible proxy
for assessment of body fatness. The 80th and 95th percentiles of skinfold readings are accepted
measures of overweight and obesity in children [6]. Caliper measurement of skinfold thickness
requires training and should only be administered by experienced staff. Skinfolds can be measured
at a variety of body sites and are used in formulas that predict percent body fat (Appendix A2.3) [6].
Waist Circumference
An additional method of assessing body composition is the measurement of girth of various body
sections. Waist circumference provides an indication of trunk or visceral obesity, which is highly
correlated in adults with diabetes and heart disease risk. Similar data are not available for the
pediatric population. A metal or fiberglass measuring tape with a metric scale is used to measure
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