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| Research article summary (published 22 Oct 2006): |
Comparison of once-weekly and twice-weekly strength training in older adults.
Full Abstract
BACKGROUND: Strength training has been shown to benefit the health and function of older adults. OBJECTIVE: To investigate whether one set of exercises performed once a week was as effective in increasing muscle strength as training twice a week. METHODS: 18 subjects (7 women and 11 men) aged 65-79 years were randomly assigned to two groups. Both groups performed one set of exercises to muscular fatigue; group 1 trained 1 day/week and group 2 trained 2 days/week on three lower and three upper body exercises for 9 weeks. The data were analysed using a mixed model 2 x 2 analysis of variance. RESULTS: A significant main effect of time (p<0.001), but not group, on one-repetition maximum scores was observed. No significant interaction was observed between time and group and therefore no difference in strength changes between training once a week versus twice a week after 9 weeks. CONCLUSIONS: One set of exercises performed once weekly to muscle fatigue improved strength as well as twice a week in the older adult. Our results provide information that will assist in designing strength-training programmes that are more time and cost efficient in producing health and fitness benefits for older adults.
Author information
Author/s: DiFrancisco-Donoghue, J (J); Werner, W (W); Douris, P C (PC);
Affiliation: Academic Health Care Center of The New York College of Osteopathic Medicine, Old Westbury, New York, USA.
Journal and publication information
Publication Type: Comparative Study; Journal Article; Randomized Controlled Trial
Journal: British journal of sports medicine (Br J Sports Med), published in England. (Language: eng)
Reference: 2007-Jan; vol 41 (issue 1) : pp 19-22
Dates: Created 2006/12/22; Completed 2007/03/19;
PMID: 17062657, status: MEDLINE (last retrieval date: 2/18/2009, IMS Date: )
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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