Effects of exercise training added to ongoing hormone replacement therapy on bone mineral density in frail elderly women

Dennis T. Villareal, Ellen F. Binder, Kevin E. Yarasheski, Daniel B. Williams, Marybeth Brown, David R. Sinacore, Wendy M. Kohrt

Research output: Contribution to journalArticle

61 Scopus citations

Abstract

OBJECTIVES: To determine whether exercise training added to ongoing hormone replacement therapy (HRT) increases bone mineral density (BMD) in physically frail elderly women. DESIGN: Prospective controlled trial. SETTING: University-based research center. PARTICIPANTS: Twenty-eight women on HRT, aged 75 and older with physical frailty. INTERVENTIONS: Participants were assigned to 9 months of supervised (EXER) or home (HOME) exercise. The EXER program started with physical therapy and gradually incorporated resistance and endurance training. The HOME program consisted of flexibility exercises. MEASUREMENTS: Changes in BMD and body composition. RESULTS: There were larger increases in lumbar spine BMD in response to EXER than with HOME (3.5% vs 1.5%, P = .048), with a trend for larger increases in total body BMD (1.5% vs 0.2%, P = .058). There were no significant between-group differences in hip BMD. The EXER group had decreases in weight (-2.2 ± 0.3 kg, P = .010) and fat mass (-2.7 ± 0.4 kg, P = .018) and increases in muscle strength (9-30%, P < .05). CONCLUSION: In physically frail elderly women on HRT, relatively vigorous exercise training significantly increased lumbar spine BMD. The improved BMD and strength in response to exercise could reduce fracture risk in frail women already on HRT.

Original languageEnglish
Pages (from-to)985-990
Number of pages6
JournalJournal of the American Geriatrics Society
Volume51
Issue number7
DOIs
StatePublished - Jul 1 2003

Keywords

  • Elderly women
  • Exercise
  • Frailty
  • Hormone replacement therapy

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