Manipulation of body weight, though, puts the athletes at safety risk and has been linked to the death of several collegiate wrestlers. To control the manipulation, high school and collegiate wrestlers are now required to undergo hydration assessment and, once determined to be normally hydrated, are tested body composition for the prediction of a minimal and safe weight class for competition. The methods used to predict body composition in wrestlers need to be accurate, reliable and efficient with little or no bias incorporated by the tester. The purpose of this study is to validate new versions of bioelectrical impedance assessment determining its accuracy and reliability against a gold standard that consists of measuring body density (BodPod), total body water (deuterium dilution) and bone mineral content (DEXA).
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