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- W2092347689 abstract "BACKGROUND: Few data exist for objectively measured changes in physical activity (PA) for older adults. PURPOSE: To measure changes in PA by accelerometry over 12 months and determine the influence of a 12-month exercise intervention (twice weekly exercise programme of strength, aerobic, balance and flexibility work) on physical activity in adults aged 70 years or more. METHODS: Fifty males (aged 75.7 ±3.9 years) and 64 females (aged 76.0 ± 4.0 years) were recruited from either control (n=36) or intervention (n=78) groups in the Better Ageing study. Participants were asked to wear an MTI actigraph (model 7164), programmed to record data in one minute epochs, during all the waking hours for seven days at baseline and again at follow-up. Participants kept a log to record when the actigraph was worn. Only data with at least 5 days of data and at least 10 hours of data were included in analysis. Data were reduced using Caloric. exe software and a bespoke Microsoft Access macro, and analysed using SPSS v 14. RESULTS: Mean time to follow-up was 14.2 ±1.8 months. There were no significant differences between control and intervention groups for changes between baseline and follow-up. However, there were significant (p<0.05) reductions at follow up for: PA energy expenditure (317.5 ± 151.1 vs. 282.5 ± 128.8 kcal-d-1), minutes of moderate (>1951 counts per minute) PA (22.8 ± 17.3 vs. 17.9 ± 14.8), 10-minute bouts of moderate PA-d-1 (0.40 ± 0.55 vs. 0.28 ± 0.50). CONCLUSIONS: While it is possible that participants' initial enthusiasm for PA research at baseline may have accounted for some of these changes, the results suggest that PA continues to decline in older adults and exercise interventions may not be sufficient to prevent decline in overall movement." @default.
- W2092347689 created "2016-06-24" @default.
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- W2092347689 date "2007-05-01" @default.
- W2092347689 modified "2023-09-27" @default.
- W2092347689 title "Impact of an Exercise Intervention on Changes in Objectively Measured Physical Activity in Older Adults" @default.
- W2092347689 doi "https://doi.org/10.1249/01.mss.0000274656.29484.30" @default.
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