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Short-term balance training and acute effects on postural sway in balance-deficient older adults: a randomized controlled trial

Permanent link
https://hdl.handle.net/10037/21533
DOI
https://doi.org/10.1186/s13102-021-00251-x
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Date
2021-03-09
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Author
Sörlén, Niklas; Hult, Andreas; Nordström, Peter; Nordström, Anna; Johansson, Jonas
Abstract

Background: We aimed to determine the effectiveness of 4 weeks of balance exercise compared with no intervention on objectively measured postural sway.

Methods: This was a single-center parallel randomized controlled, open label, trial. A six-sided dice was used for allocation at a 1:1-ratio between exercise and control. The trial was performed at a university hospital clinic in Sweden and recruited community-dwelling older adults with documented postural instability. The intervention consisted of progressively challenging balance exercise three times per week, during 4 weeks, with follow-up at week five. Main outcome measures were objective postural sway length during eyes open and eyes closed conditions.

Results: Sixty-five participants aged 70 years (balance exercise n = 32; no intervention n = 33) were randomized. 14 participants were excluded from analysis because of early dropout before follow-up at week five, leaving 51 (n = 22; n = 29) participants for analysis. No significant differences were detected between the groups in any of the postural sway outcomes. Within-group analyses showed significant improvements in hand grip strength for the intervention group, while Timed Up & Go improvements were comparable between groups but only statistically significant in the control group.

Conclusions: Performing balance exercise over a four-week intervention period did not acutely improve postural sway in balance-deficient older adults. The lower limit in duration and frequency to achieve positive effects remains unclear.

Publisher
Springer Nature
Citation
Sörlén N, Hult A, Nordström P, Nordström A, Johansson J. Short-term balance training and acute effects on postural sway in balance-deficient older adults: a randomized controlled trial. BMC sports science, medicine and rehabilitation. 2021;13(23)
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