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Br J Sports Med. 2007 Jan;41(1):19-22. Epub 2006 Oct 24.

Comparison of once-weekly and twice-weekly strength training in older adults.

Author information

1
Academic Health Care Center of The New York College of Osteopathic Medicine, Old Westbury, New York, USA.

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.

PMID:
17062657
PMCID:
PMC2465144
DOI:
10.1136/bjsm.2006.029330
[Indexed for MEDLINE]
Free PMC Article

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