Journal article
Methodology Review: Using Dual-Energy X-ray Absorptiometry (DXA) for the Assessment of Body Composition in Athletes and Active People
International Journal of Sport Nutrition and Exercise Metabolism, Vol.25(2), pp.198-215
2015
PMID: 25029265
Abstract
Dual energy X-ray absorptiometry (DXA) is rapidly becoming more accessible and popular as a technique to monitor body composition, especially in athletic populations. Although studies in sedentary populations have investigated the validity of DXA assessment of body composition, few studies have examined the issues of reliability in athletic populations and most studies which involve DXA measurements of body composition provide little information on their scanning protocols. This review presents a summary of the sources of error and variability in the measurement of body composition by DXA, and develops a theoretical model of best practice to standardise the conduct and analysis of a DXA scan. Components of this protocol include standardisation of subject presentation (subjects rested, overnight-fasted and in minimal clothing) and positioning on the scanning bed (centrally aligned in a standard position using custom-made positioning aids) as well as manipulation of the automatic segmentation of regional areas of the scan results. Body composition assessment implemented with such protocol ensures a high level of precision, whilst still being practical in an athletic setting. This ensures that any small changes in body composition are confidently detected and correctly interpreted. The reporting requirements for studies involving DXA scans of body composition include details of the DXA machine and software, subject presentation and positioning protocols, and analysis protocols.
Details
- Title
- Methodology Review: Using Dual-Energy X-ray Absorptiometry (DXA) for the Assessment of Body Composition in Athletes and Active People
- Authors
- Alisa Nana (Author) - RMIT UniversityGary J Slater (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and EngineeringArthur D Stewart (Author) - Robert Gordon University, United KingdomLouise M Burke (Author) - RMIT University
- Publication details
- International Journal of Sport Nutrition and Exercise Metabolism, Vol.25(2), pp.198-215
- Publisher
- Human Kinetics
- Date published
- 2015
- DOI
- 10.1123/ijsnem.2013-0228
- ISSN
- 1526-484X
- PMID
- 25029265
- Copyright note
- Copyright © 2014 Human Kinetics. Reproduced here in accordance with the publisher's copyright policy.
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Health - Nutrition & Dietetics; School of Health and Sport Sciences - Legacy; School of Health and Behavioural Sciences - Legacy
- Language
- English
- Record Identifier
- 99449600302621
- Output Type
- Journal article
Metrics
5320 File views/ downloads
3449 Record Views
InCites Highlights
These are selected metrics from InCites Benchmarking & Analytics tool, related to this output
- Collaboration types
- Domestic collaboration
- International collaboration
- Web Of Science research areas
- Nutrition & Dietetics
- Sport Sciences
UN Sustainable Development Goals (SDGs)
This output has contributed to the advancement of the following goals:
Source: InCites