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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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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
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Company, Joe; Ball, Stephen – Measurement in Physical Education and Exercise Science, 2010
The primary purpose of this study was to investigate the accuracy of the DF50 (ImpediMed Ltd, Eight Mile Plains, Queensland, Australia) bioelectrical impedance analysis device using dual-energy x-ray absorptiometry as the criterion in two groups: endurance athletes and power athletes. The secondary purpose was to develop accurate body fat…
Descriptors: Body Composition, Adults, Athletes, Males
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Ball, Stephen; Swan, Pamela D.; Altena, Thomas S. – Measurement in Physical Education and Exercise Science, 2006
Although not perfect, skinfolds (SK), or the measurement of fat under the skin, remains the most popular and practical method available to assess body composition on a large scale (Kuczmarski, Flegal, Campbell, & Johnson, 1994). Even for practitioners who have been using SK for years and are highly proficient at locating the correct anatomical…
Descriptors: Body Composition, Health Personnel, Equations (Mathematics), Measurement Techniques