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Data set of healthy old people assessed for three walking conditions using accelerometric and opto-electronic methods

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Abstract

Background

Gait patterns of healthy aging are needed to allow a comparison with pathological situations. However, little data is available.

Objective

To present gait pattern of healthy older specially selected to be “healthy walkers”.

Method

Fifty-seven older people benefited from a geriatric assessment including clinical and functional evaluations to include only those without gait disorders. Gait data were simultaneously recorded using a tri-axial accelerometer placed on the waist and four 3D position markers placed on the feet at the level of the heel and the toe. Volunteers walked at comfortable self-selected speed (CW), fast self-selected speed (FW), and finally in dual task walking condition (DTW). The extracted gait parameters were: gait speed, stride length, stride frequency, regularity and symmetry, swing, stance and double support time and ratio and minimum toe clearance. Gait speed and stride length were normalized to the right leg length.

Results

Fifty-seven older people with a mean age of 69.7 ± 4.2 years old (range from 65 to 82 years) were included. Data were analyzed according to the gender and according to the age (<70 or ≥70 years old). After normalization to leg length, the main significant differences were shown for stride length and minimum toe clearance in CW, FW and in DTW that were shorter in women. The regularity in FW was significantly lower among older volunteers.

Conclusions

This work provides a data set considering 14 gait parameters obtained from 57 healthy old people strictly selected and assessed for three walking conditions and shows that GS, SL and MTC have to be related to the gender. The age-related impact on gait performances appears reduced in this cohort.

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Abbreviations

CW:

Comfortable walking condition

FW:

Fast walking condition

GS:

Gait speed

DSR:

Double support ratio

DST:

Double support time

DTW:

Dual task walking condition

MTC:

Minimum toe clearance

NGS:

Normalised GS

NSL:

Normalised SL

REG:

Regularity

StR:

Stance ratio

SwR:

Swing ratio

StT:

Stance time

SwT:

Swing time

SF:

Stride frequency

SL:

Stride length

SYM:

Symmetry

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Acknowledgements

The authors would like to thank the Dr. Sophie Christelbach and Ms Vinciane Wojtasik for helping with the volunteers recruitment and the Drs. Claire Geurten and Xavier Schmitz for helping with data acquisition. This study was supported by a Grant from the Belgian fund for scientific research (F.N.R.S.).

Author contribution statement

SG: concept and design of the study, data acquisition, presentation and discussion of the results, writing. MB: data extraction, statistical analysis, discussion of the results, writing. ND: statistical analysis, writing. CS: data acquisition, data extraction, discussion of the results, writing. MD: data acquisition, data extraction, discussion of the results, writing. CG: data acquisition, writing. FD: data acquisition, writing, corrections as native speaker. ES: concept and design of the study, methodological advice, writing. GG: concept and design of the study, methodological advice, writing. OB: concept and design of the study, methodological advice, writing. OB: concept and design of the study, methodological advice, writing. JLC: concept and design of the study, methodological advice, writing. JP: concept and design of the study, methodological advice, writing.

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Correspondence to S. Gillain.

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All authors disclose any financial and personal relationships with other people or organization that could inappropriately influence their work.

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The medical ethical committee of the University hospital of Liège (CHU Liège, Belgium) approved the protocol.

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Gillain, S., Boutaayamou, M., Dardenne, N. et al. Data set of healthy old people assessed for three walking conditions using accelerometric and opto-electronic methods. Aging Clin Exp Res 29, 1201–1209 (2017). https://doi.org/10.1007/s40520-017-0730-y

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  • DOI: https://doi.org/10.1007/s40520-017-0730-y

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