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Imaging Method: Dual-Energy X-Ray Absorptiometry
Book chapter   Peer reviewed

Imaging Method: Dual-Energy X-Ray Absorptiometry

Gary J Slater, Alisa Nana and Ava Kerr
Best Practice Protocols for Physique Assessment in Sport, pp.153-167
Springer Singapore
2017
DOI: https://doi.org/10.1007/978-981-10-5418-1_13
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https://doi.org/10.1007/978-981-10-5418-1_13View
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Abstract

dual energy X-ray absorptiometry physique traits x-Rays radiation training standardisation euhydrated glycogen replete overnight fasted clothing positioning scanning bed positioning aid segmentation clinical densitometry clinical practice guidelines acquisition analysis
Dual energy X-ray absorptiometry is used for the assessment of physique traits of athletes. Given the use of X-rays and thus exposure to radiation, specific training by a suitably accredited national organisation is required before dual energy X-ray absorptiometry can be operated, and consideration of the cumulative X-ray dose for athletes needs to be considered. Standardisation of subject presentation (euhydrated and glycogen replete, overnight fasted and in minimal clothing) and positioning on the scanning bed (centrally aligned in a standard position using custom-made positioning aids) and manipulation of the automatic segmentation of regional areas of the scan results are necessary. The International Society for Clinical Densitometry has established good clinical practice guidelines relating to the acquisition and analysis of dual energy X-ray absorptiometry data.

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