Assessment of body composition in youths and relationship to sport

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Abstract

Body composition assessment techniques provide estimates of percent body fat (%BF), fat mass (FM), and fat-free mass (FFM) based on indirect assessment models and methods. Prediction equations for %BF developed using a two-component model based on adult body composition constants will overestimate %BF in youths, especially prepubescent youths. Body composition prediction equations that have been validated and cross-validated using multiple-component criterion models which include measurements of body density and the water and mineral components of FFM provide the most accurate means for assessment of body composition in youths. Use of appropriate prediction equations and proper measurement techniques, for either bioelectrical impedance or skinfolds, results in body composition estimates with standard errors of estimate (prediction errors) of 3 to 4% BF and 2.0 to 2.5 kg of FFM. Poor measurement technique and inappropriate prediction equations will result in much larger prediction errors.

Original languageEnglish (US)
Pages (from-to)146-164
Number of pages19
JournalInternational Journal of Sport Nutrition and Exercise Metabolism
Volume6
Issue number2
StatePublished - Jun 1996

Fingerprint

Body Composition
sports
body composition
Sports
Fats
prediction
lipids
Body Water
Electric Impedance
bioelectrical impedance
Minerals
Adipose Tissue
anthropometric measurements
methodology
body fat
minerals
water

Keywords

  • Adolescents
  • Athletes
  • Children
  • Fat-free mass
  • Percent body fat

ASJC Scopus subject areas

  • Food Science
  • Endocrinology
  • Medicine (miscellaneous)
  • Public Health, Environmental and Occupational Health

Cite this

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abstract = "Body composition assessment techniques provide estimates of percent body fat ({\%}BF), fat mass (FM), and fat-free mass (FFM) based on indirect assessment models and methods. Prediction equations for {\%}BF developed using a two-component model based on adult body composition constants will overestimate {\%}BF in youths, especially prepubescent youths. Body composition prediction equations that have been validated and cross-validated using multiple-component criterion models which include measurements of body density and the water and mineral components of FFM provide the most accurate means for assessment of body composition in youths. Use of appropriate prediction equations and proper measurement techniques, for either bioelectrical impedance or skinfolds, results in body composition estimates with standard errors of estimate (prediction errors) of 3 to 4{\%} BF and 2.0 to 2.5 kg of FFM. Poor measurement technique and inappropriate prediction equations will result in much larger prediction errors.",
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