What are the dietary energy needs of elderly adults?

S. B. Roberts, V. R. Young, P. Fuss, M. B. Heyman, M. Fiatarone, G. E. Dallal, Joaquin Cortiella, W. J. Evans

Research output: Contribution to journalArticle

78 Citations (Scopus)

Abstract

The energy requirements of healthy elderly men were investigated by measuring total energy expenditure (TEE), body composition and resting energy expenditure (REE), using 2H2 18O techniques and indirect calorimetry during ten days when a weight maintaining diet was consumed. Values for TEE/REE (1.75 ± 0.05, s.e.) were significantly higher than the recommended dietary allowances (RDAs) for energy in this age group, as were previously reported values for TEE/REE in a group of young men in the same experimental protocol. There was a significant negative association between TEE/REE (a physical activity indicator) and body fat mass. Combining data from the elderly men in this study and the young men studied previously, age and TEE/REE together accounted for 73% of the variation in body fat mass between individuals. These results lend additional weight to the suggestion that the current RDAs for energy may significantly under-estimate usual energy requirements. They also indicate that the low levels of energy expenditure suggested by the RDAs may favour unnecessarily high levels of body fat mass and that increased levels of energy expenditure are desirable.

Original languageEnglish (US)
Pages (from-to)969-976
Number of pages8
JournalInternational Journal of Obesity
Volume16
Issue number12
StatePublished - 1992
Externally publishedYes

Fingerprint

energy expenditure
Energy Metabolism
resting energy expenditure
energy
Recommended Dietary Allowances
body fat
energy requirements
Adipose Tissue
calorimetry
physical activity
body composition
Weights and Measures
Indirect Calorimetry
Body Composition
diet
Age Groups
Exercise
Diet

Keywords

  • Body composition
  • Elderly
  • Energy metabolism
  • Obesity

ASJC Scopus subject areas

  • Food Science
  • Endocrinology
  • Medicine (miscellaneous)
  • Endocrinology, Diabetes and Metabolism
  • Public Health, Environmental and Occupational Health

Cite this

Roberts, S. B., Young, V. R., Fuss, P., Heyman, M. B., Fiatarone, M., Dallal, G. E., ... Evans, W. J. (1992). What are the dietary energy needs of elderly adults? International Journal of Obesity, 16(12), 969-976.

What are the dietary energy needs of elderly adults? / Roberts, S. B.; Young, V. R.; Fuss, P.; Heyman, M. B.; Fiatarone, M.; Dallal, G. E.; Cortiella, Joaquin; Evans, W. J.

In: International Journal of Obesity, Vol. 16, No. 12, 1992, p. 969-976.

Research output: Contribution to journalArticle

Roberts, SB, Young, VR, Fuss, P, Heyman, MB, Fiatarone, M, Dallal, GE, Cortiella, J & Evans, WJ 1992, 'What are the dietary energy needs of elderly adults?', International Journal of Obesity, vol. 16, no. 12, pp. 969-976.
Roberts SB, Young VR, Fuss P, Heyman MB, Fiatarone M, Dallal GE et al. What are the dietary energy needs of elderly adults? International Journal of Obesity. 1992;16(12):969-976.
Roberts, S. B. ; Young, V. R. ; Fuss, P. ; Heyman, M. B. ; Fiatarone, M. ; Dallal, G. E. ; Cortiella, Joaquin ; Evans, W. J. / What are the dietary energy needs of elderly adults?. In: International Journal of Obesity. 1992 ; Vol. 16, No. 12. pp. 969-976.
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