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Dual-energy x-ray absorptiometry for total-body and regional bone-mineral and soft-tissue composition
Open accessAbstract
Bone mineral density (BMD) and soft-tissue composition of the total body and major subregions were measured with dual-energy x-ray absorptiometry (DEXA). Total body scans were made in 12 young adults (6 male, 6 female) on five occasions at both a medium speed (20 min) and a fast speed (10 min). There were no significant differences in mean results or in precision errors between the two speeds. The precision errors (1 SD) for total body BMD, percent fat in soft tissue (% Fat), fat mass, and lean tissue mass were less than 0.01 g/cm2, 1.4%, 1.0 kg, and 0.8 kg, respectively. These results corresponded to a relative error of 0.8% for total body BMD and 1.5% for lean body mass. Regional BMD and soft-tissue values (arms, legs, trunk) were determined with slightly higher precision errors. Skeletal mineral was 5.8 +/- 0.5% of lean tissue mass (r = 0.96, p less than 0.001). DEXA provides precise composition analysis with a low radiation exposure (less than 0.1 microGy).
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Goodpaster, B. H., Park, S. W., Harris, T. B., Kritchevsky, S. B., Nevitt, M., Schwartz, A. V., Simonsick, E. M., Tylavsky, F. A., Visser, M., Newman, A. B., et al. (2006) · The Journals of Gerontology Series A: Biological Sciences and Medical Sciences · doi:10.1093/gerona/61.10.1059 · Cited by 3,083
Healthy percentage body fat ranges: an approach for developing guidelines based on body mass index
Gallagher, D., Heymsfield, S. B., Heo, M., Jebb, S. A., Murgatroyd, P. R., & Sakamoto, Y. (2000) · The American Journal of Clinical Nutrition · doi:10.1093/ajcn/72.3.694 · Cited by 2,139
Heymsfield, S. B., Greenberg, A. S., Fujioka, K., Dixon, R. M., Kushner, R., Hunt, T., Lubina, J. A., Patane, J., Self, B., Hunt, P., et al. (1999) · JAMA · doi:10.1001/jama.282.16.1568 · Cited by 1,422
Sarcopenic obesity: A new category of obesity in the elderly
Zamboni, M., Mazzali, G., Fantin, F., Rossi, A., & Di Francesco, V. (2008) · Nutrition, Metabolism and Cardiovascular Diseases · doi:10.1016/j.numecd.2007.10.002 · Cited by 953
Predictors of skeletal muscle mass in elderly men and women
Baumgartner, R. N., Waters, D. L., Gallagher, D., Morley, J. E., & Garry, P. J. (1999) · Mechanisms of Ageing and Development · doi:10.1016/s0047-6374(98)00130-4 · Cited by 809
Metadata
- Authors
- Mazess, R., Barden, H., Bisek, J., & Hanson, J.
- Venue
- The American Journal of Clinical Nutrition
- Publisher
- Elsevier BV
- Published
- 1990-06
- Volume
- 51
- Issue
- 6
- Pages
- 1106-1112
- ISSN
- 0002-9165 (ISSN-L)
- OpenAlex
- W2148688487
- Cited by
- 1,476
- References
- 0
- FWCI
- 23.51
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Mazess, R., Barden, H., Bisek, J., & Hanson, J. (1990). Dual-energy x-ray absorptiometry for total-body and regional bone-mineral and soft-tissue composition. The American Journal of Clinical Nutrition. https://doi.org/10.1093/ajcn/51.6.1106
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