PEDEvidence

SOURCE-LINKED STUDY SUMMARY

The accuracy and precision of DXA for assessing body composition in team sport athletes.

Journal of sports sciences ·

Human

Abstract summarizedQuality not appraised
What was studied
This validation study tested how precisely pencil-beam and fan-beam DXA estimate fat, fat-free soft tissue and bone mineral measurements.
Who / model studied
Thirty-six professional Australian Football players were split across fan-beam (22) and pencil-beam (25) scan groups; a known-value whole-body phantom was also tested.
Studied dose & schedule
Players underwent two consecutive DXA scans. The phantom was scanned 20 times on each device; there was no drug exposure or treatment comparator.
What the study found
Fat-free soft tissue precision was strong (%CV 0.3% fan; 0.5% pencil), but percent-fat reliability was weaker (%CV 2.5% and 5.7%). Fat-mass correlations with the phantom were only moderate.
Limitations & context
This was a lean, male professional-sport sample. Repeatability does not prove perfect accuracy, and fat mass differed moderately from criterion values.

Read summary source ↗ · Prepared 10/6/2026 · AI-assisted, source-based summary

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Summary prepared: . Source scope: abstract. This is an AI-assisted source summary, not an independent clinician sign-off.

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Research findings apply to the population and conditions studied. This educational summary is not a treatment recommendation or a formal assessment of study quality.

Original publication ↗ · DOI: 10.1080/02640414.2014.926380

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