Comparison of Measured and Predictive Values of Basal Metabolic Rate in Brazilian Paralympic Track and Field Athletes
Juzwiak, Claudia Ridel [UNIFESP]
Winckler, Ciro [UNIFESP]
Joaquim, Daniel Paduan
Silva, Andressa da
Mello, Marco Tulio de
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To compare basal metabolic rate (BMR) predicted by different equations with measured BMR of the Brazilian paralympic track & field team aiming to verify which of these equations is best suited for use in this group. Method: 19 male and 11 female athletes grouped according to functional classification (vision impairment-VI, limb deficiency-LD, and cerebral palsy-CP) had their BMR measured by indirect calorimetry and compared with values predicted by different equations: Cunningham, Owen, Harris-Benedict, FAO/OMS, Dietary Reference Intakes, and Mifflin. Body composition data were obtained by skinfold measurements. Results were reported as mean and standard deviation and analyzed using the Wilcoxon test and Pearson's Correlation Coefficient. The Root Mean Squared Prediction Error (RMSPE) was calculated to identify the similarity between the estimated and predicted BMR. Results: Mean measured BMR was 25 +/- 4.2, 26 +/- 2.4, and 26 +/- 2.7 kcal/kg of fat free mass/day for VI, LD, and CP, respectively. Owen's equation had the best predictive performance in comparison with measured BMR for LD and CP athletes, within 104 and 125 kcal/day, while Mifflin's equation predicted within 146 kcal/day for VI athletes. Conclusion: for this specific group of athletes the Owen and Mifflin equations provided the best predictions of BMR.
CitationInternational Journal Of Sport Nutrition And Exercise Metabolism. Champaign, v. 26, n. 4, p. 330-337, 2016.
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