Agreement and validity of existing anthropometric calibration models to estimate whole body density in male professional football players

Mills, Claire D ORCID: 0000-0003-4156-4593, De Ste Croix, Mark B ORCID: 0000-0001-9911-4355, Cooper, Stephen-Mark and James, David V ORCID: 0000-0002-0805-7453 (2022) Agreement and validity of existing anthropometric calibration models to estimate whole body density in male professional football players. Sports and Exercise Medicine – Open Journal, 8 (1). pp. 1-9.

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Abstract

Introduction To date no calibration models exist to estimate whole body density (Db) of professional footballers, as such the development of practical anthropometric calibration models to make sound body composition judgements is imperative. The aim of this study was to investigate the agreement and validity of estimating Db from 15 existing calibration models through comparison to a criterion method of hydrostatic weighing (HW) in male professional footballers. Materials and Methods Data were gathered from a total of n=206 professional football participants (x±s; age=24.1±5.4-years, body mass=78.8±8.4 kg, stature=180.1±7.0 cm, Db 1.075±0.01 g.ml-1). Bland and Altman limits of agreement (LoA) approaches were used to determine bias and random variation derived from the calibration models. Results Bias and random errors for the published calibration models ranged from -0.005 to +0.015 g.ml-1 and 1.012 to 1.090 g.ml-1 respectively. A priori criterion (±3.8% p=<0.05 (g.ml-1)) was set as acceptable limits for the LoA method of which 13 calibration models found that (on average) estimated Db derived from HW was greater than Db derived from the models. Discussion A rank order of LoA identified the best model to use, however, LoA were not narrow enough for measurements to be of practical use and in most instances, selected models are not appropriate for estimating Db in male professional footballers.

Item Type: Article
Article Type: Article
Uncontrolled Keywords: Whole body density; Calibration models; Anthropometry; Professional football players; Agreement; Validity
Subjects: G Geography. Anthropology. Recreation > GV Recreation Leisure > GV557 Sports > GV861 Ball games: Baseball, football, golf, etc.
Q Science > QM Human anatomy
Divisions: Schools and Research Institutes > School of Sport and Exercise > Sports Leadership, Education & Society
Research Priority Areas: Health, Life Sciences, Sport and Wellbeing
Depositing User: Claire Mills
Date Deposited: 09 Mar 2022 10:41
Last Modified: 09 Mar 2022 11:00
URI: https://eprints.glos.ac.uk/id/eprint/10812

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