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Validation of a Skinfold Prediction Equation Based on Dual-Energy X-Ray Absorptiometry to Estimate Body Fat Percentage in Women
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Barnas, Jillian; Ball, Stephen D. – Measurement in Physical Education and Exercise Science, 2020
The purpose of this study was to validate an alternative skinfold equation for women created from dual-energy x-ray absorptiometry (DXA). Anthropometrics and a whole-body DXA scan were completed on 77 women (mean age: 28.0 ± 10.2 years). Four Jackson-Pollack (JP) skinfold prediction equations and the DXA criterion (DC) equation were compared to…
Descriptors: Females, Measurement Techniques, Body Composition, Body Weight
Designing Health-Referenced Standards for the Plank Test of Core Muscular Endurance
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Laurson, Kelly R.; Baptista, Fátima; Mahar, Matthew T.; Welk, Greg J.; Janz, Kathleen F. – Measurement in Physical Education and Exercise Science, 2022
We developed plank test standards, based on trunk lean mass-to-fat mass (LM/FM) ratio, in a sample of healthy Portuguese 10--18 year olds (n = 474, 46.4% female). Height and weight were measured and muscular endurance was assessed using the prone plank test. Trunk LM/FM ratio was determined using dual-energy x-ray absorptiometry. Plank standards…
Descriptors: Test Construction, Muscular Strength, Foreign Countries, Preadolescents
Validation of a New Skinfold Prediction Equation Based on Dual-Energy X-Ray Absorptiometry
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Ball, Stephen; Cowan, Celsi; Thyfault, John; LaFontaine, Tom – Measurement in Physical Education and Exercise Science, 2014
Skinfold prediction equations recommended by the American College of Sports Medicine underestimate body fat percentage. The purpose of this research was to validate an alternative equation for men created from dual energy x-ray absorptiometry. Two hundred ninety-seven males, aged 18-65, completed a skinfold assessment and dual energy x-ray…
Descriptors: Equations (Mathematics), Human Body, Body Composition, Diagnostic Tests
The Validity of Relative Fat Mass and Body Adiposity Index as Measures of Body Composition in Healthy Adults
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Fedewa, Michael V.; Nickerson, Brett S.; Esco, Michael R. – Measurement in Physical Education and Exercise Science, 2020
Higher relative adiposity is independently associated with adverse health consequences. As such, accurate estimates of body composition in field settings are of utmost importance. The aim of this study was to examine the validity of the Body Adiposity Index (BAI) and Relative Fat Mass (RFM) as measures of total body adiposity. BAI and RFM were…
Descriptors: Body Composition, Body Weight, Body Height, Obesity
Classification of Obesity Varies between Body Mass Index and Direct Measures of Body Fat in Boys and Girls of Asian and European Ancestry
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McConnell-Nzunga, J.; Naylor, P. J.; Macdonald, H.; Rhodes, R. E.; Hofer, S. M.; McKay, H. – Measurement in Physical Education and Exercise Science, 2018
Body mass index is a common proxy for proportion of body fat. However, body mass index may not classify youth similarly across ages and ethnicities. We used sex- and ethnic-specific receiver operating characteristic curves to determine how obesity classifications compared between body mass index and dual energy x-ray absorptiometry-based body fat…
Descriptors: Classification, Obesity, Ethnicity, Body Composition