Body fat percentage comparisons between four methods in young football players: are they comparable?
Introduction: Dual X-ray absorptiometry (DXA), air displacement plethysmography (ADP), bioelectrical impedance analysis (BIA) and anthropometry are four body composition methods that have been frequently used for the assessment of body fat percentage (%BF) in athletes. However, the agreement between these methods has not been studied yet in adolescent football players. Objectives: The aim of this study was to compare %BF calculated by DXA, ADP, BIA and anthropometry in 92 participants. Methods: Sixty-four males (13.4 ± 0.6 years of age) and 28 females (13.4 ± 0.6 years) participated in this study. %BF was measured with four methods: DXA, ADP, BIA, and anthropometry. ADP %BF was calculated by using Siri's equation. The equation proposed by Slaughter et al. was used to calculate %BF by anthropometry. Paired t-test was used to compare %BF means. The heteroscedasticity was calculated by Bland-Altman analyses. Results and conclusions: Both in males and females, DXA, ADP, BIA and Slaughter et al. equation demonstrated significant %BF differences when compared to each other (p < 0.05); 95% limits of agreements ranged from 5.13 to 15.09% points. Only BIA showed heteroscedasticity compared to the other methods in both genders (p < 0.05). Although DXA, ADP, BIA, and anthropometry have been used in the scientific literature in order to assess %BF in adolescent football players, these results demonstrate that these body composition methods are not interchangeable in this population.
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oai:scielo:S0212-161120170005000152018-04-12Body fat percentage comparisons between four methods in young football players: are they comparable?Lozano Berges,GabrielMatute Llorente,ÁngelGómez Bruton,AlejandroGonzález Agüero,AlejandroVicente Rodrígue,GermanCasajús,José Antonio Soccer Body composition Absorptiometry Photon Skinfold thickness Introduction: Dual X-ray absorptiometry (DXA), air displacement plethysmography (ADP), bioelectrical impedance analysis (BIA) and anthropometry are four body composition methods that have been frequently used for the assessment of body fat percentage (%BF) in athletes. However, the agreement between these methods has not been studied yet in adolescent football players. Objectives: The aim of this study was to compare %BF calculated by DXA, ADP, BIA and anthropometry in 92 participants. Methods: Sixty-four males (13.4 ± 0.6 years of age) and 28 females (13.4 ± 0.6 years) participated in this study. %BF was measured with four methods: DXA, ADP, BIA, and anthropometry. ADP %BF was calculated by using Siri's equation. The equation proposed by Slaughter et al. was used to calculate %BF by anthropometry. Paired t-test was used to compare %BF means. The heteroscedasticity was calculated by Bland-Altman analyses. Results and conclusions: Both in males and females, DXA, ADP, BIA and Slaughter et al. equation demonstrated significant %BF differences when compared to each other (p < 0.05); 95% limits of agreements ranged from 5.13 to 15.09% points. Only BIA showed heteroscedasticity compared to the other methods in both genders (p < 0.05). Although DXA, ADP, BIA, and anthropometry have been used in the scientific literature in order to assess %BF in adolescent football players, these results demonstrate that these body composition methods are not interchangeable in this population.Grupo AránNutrición Hospitalaria v.34 n.5 20172017-10-01journal articletext/htmlhttp://scielo.isciii.es/scielo.php?script=sci_arttext&pid=S0212-16112017000500015en |
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Lozano Berges,Gabriel Matute Llorente,Ángel Gómez Bruton,Alejandro González Agüero,Alejandro Vicente Rodrígue,German Casajús,José Antonio |
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Lozano Berges,Gabriel Matute Llorente,Ángel Gómez Bruton,Alejandro González Agüero,Alejandro Vicente Rodrígue,German Casajús,José Antonio Body fat percentage comparisons between four methods in young football players: are they comparable? |
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Lozano Berges,Gabriel Matute Llorente,Ángel Gómez Bruton,Alejandro González Agüero,Alejandro Vicente Rodrígue,German Casajús,José Antonio |
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Lozano Berges,Gabriel |
title |
Body fat percentage comparisons between four methods in young football players: are they comparable? |
title_short |
Body fat percentage comparisons between four methods in young football players: are they comparable? |
title_full |
Body fat percentage comparisons between four methods in young football players: are they comparable? |
title_fullStr |
Body fat percentage comparisons between four methods in young football players: are they comparable? |
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Body fat percentage comparisons between four methods in young football players: are they comparable? |
title_sort |
body fat percentage comparisons between four methods in young football players: are they comparable? |
description |
Introduction: Dual X-ray absorptiometry (DXA), air displacement plethysmography (ADP), bioelectrical impedance analysis (BIA) and anthropometry are four body composition methods that have been frequently used for the assessment of body fat percentage (%BF) in athletes. However, the agreement between these methods has not been studied yet in adolescent football players. Objectives: The aim of this study was to compare %BF calculated by DXA, ADP, BIA and anthropometry in 92 participants. Methods: Sixty-four males (13.4 ± 0.6 years of age) and 28 females (13.4 ± 0.6 years) participated in this study. %BF was measured with four methods: DXA, ADP, BIA, and anthropometry. ADP %BF was calculated by using Siri's equation. The equation proposed by Slaughter et al. was used to calculate %BF by anthropometry. Paired t-test was used to compare %BF means. The heteroscedasticity was calculated by Bland-Altman analyses. Results and conclusions: Both in males and females, DXA, ADP, BIA and Slaughter et al. equation demonstrated significant %BF differences when compared to each other (p < 0.05); 95% limits of agreements ranged from 5.13 to 15.09% points. Only BIA showed heteroscedasticity compared to the other methods in both genders (p < 0.05). Although DXA, ADP, BIA, and anthropometry have been used in the scientific literature in order to assess %BF in adolescent football players, these results demonstrate that these body composition methods are not interchangeable in this population. |
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2017 |
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http://scielo.isciii.es/scielo.php?script=sci_arttext&pid=S0212-16112017000500015 |
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