The effects of different frequencies of rhythmic acoustic stimulation on gait stability in healthy elderly individuals: a pilot study
Abstract The efficacy of rhythmic acoustic stimulation (RAS) to improve gait and balance in healthy elderly individuals is controversial. Our aim was to investigate, through 3D gait analysis, the effect of different types of RAS (fixed frequency and based on subject-specific cadence), using conventi...
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2021
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oai:doaj.org-article:fc5c808087a7443ca15394e085bcdf5f2021-12-02T17:17:40ZThe effects of different frequencies of rhythmic acoustic stimulation on gait stability in healthy elderly individuals: a pilot study10.1038/s41598-021-98953-22045-2322https://doaj.org/article/fc5c808087a7443ca15394e085bcdf5f2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-98953-2https://doaj.org/toc/2045-2322Abstract The efficacy of rhythmic acoustic stimulation (RAS) to improve gait and balance in healthy elderly individuals is controversial. Our aim was to investigate, through 3D gait analysis, the effect of different types of RAS (fixed frequency and based on subject-specific cadence), using conventional gait parameters and the trunk displacement as readouts. Walking at a fixed frequency of 80 bpm, the subjects showed extended duration of gait cycle and increased gait variability while the same individuals, walking at a fixed frequency of 120 bpm, showed reduced trunk sway and gait cycle duration. With regard to the RAS at subject-specific frequencies, walking at 90% of the subject-specific average cadence did not significantly modify the gait parameters, except for the speed, which was reduced. In contrast, walking at 100% and 110% of the mean cadence caused increased stride length and a slight reduction of temporal parameters and trunk sway. In conclusion, this pilot study shows that using RAS at fixed frequencies might be an inappropriate strategy, as it is not adjusted to individual gait characteristics. On the other hand, RAS frequencies equal to or slightly higher than each subject's natural cadence seem to be beneficial for gait and stability.Roberta MininoEmahnuel Troisi LopezPierpaolo SorrentinoRosaria RuccoAnna LardoneMatteo PesoliDomenico TafuriLaura MandolesiGiuseppe SorrentinoMarianna LiparotiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021) |
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Medicine R Science Q Roberta Minino Emahnuel Troisi Lopez Pierpaolo Sorrentino Rosaria Rucco Anna Lardone Matteo Pesoli Domenico Tafuri Laura Mandolesi Giuseppe Sorrentino Marianna Liparoti The effects of different frequencies of rhythmic acoustic stimulation on gait stability in healthy elderly individuals: a pilot study |
| description |
Abstract The efficacy of rhythmic acoustic stimulation (RAS) to improve gait and balance in healthy elderly individuals is controversial. Our aim was to investigate, through 3D gait analysis, the effect of different types of RAS (fixed frequency and based on subject-specific cadence), using conventional gait parameters and the trunk displacement as readouts. Walking at a fixed frequency of 80 bpm, the subjects showed extended duration of gait cycle and increased gait variability while the same individuals, walking at a fixed frequency of 120 bpm, showed reduced trunk sway and gait cycle duration. With regard to the RAS at subject-specific frequencies, walking at 90% of the subject-specific average cadence did not significantly modify the gait parameters, except for the speed, which was reduced. In contrast, walking at 100% and 110% of the mean cadence caused increased stride length and a slight reduction of temporal parameters and trunk sway. In conclusion, this pilot study shows that using RAS at fixed frequencies might be an inappropriate strategy, as it is not adjusted to individual gait characteristics. On the other hand, RAS frequencies equal to or slightly higher than each subject's natural cadence seem to be beneficial for gait and stability. |
| format |
article |
| author |
Roberta Minino Emahnuel Troisi Lopez Pierpaolo Sorrentino Rosaria Rucco Anna Lardone Matteo Pesoli Domenico Tafuri Laura Mandolesi Giuseppe Sorrentino Marianna Liparoti |
| author_facet |
Roberta Minino Emahnuel Troisi Lopez Pierpaolo Sorrentino Rosaria Rucco Anna Lardone Matteo Pesoli Domenico Tafuri Laura Mandolesi Giuseppe Sorrentino Marianna Liparoti |
| author_sort |
Roberta Minino |
| title |
The effects of different frequencies of rhythmic acoustic stimulation on gait stability in healthy elderly individuals: a pilot study |
| title_short |
The effects of different frequencies of rhythmic acoustic stimulation on gait stability in healthy elderly individuals: a pilot study |
| title_full |
The effects of different frequencies of rhythmic acoustic stimulation on gait stability in healthy elderly individuals: a pilot study |
| title_fullStr |
The effects of different frequencies of rhythmic acoustic stimulation on gait stability in healthy elderly individuals: a pilot study |
| title_full_unstemmed |
The effects of different frequencies of rhythmic acoustic stimulation on gait stability in healthy elderly individuals: a pilot study |
| title_sort |
effects of different frequencies of rhythmic acoustic stimulation on gait stability in healthy elderly individuals: a pilot study |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/fc5c808087a7443ca15394e085bcdf5f |
| work_keys_str_mv |
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