Dynamic stability and spatiotemporal parameters during turning in healthy young adults

Biomedical Engineering Online
Chuan HeDong Ming

Abstract

Turning while walking has a frequent occurrence in daily life. Evaluation of its dynamic stability will facilitate fall prevention and rehabilitation scheme. This knowledge is so limited that we set it as the first aim of this study. Another aim was to investigate spatiotemporal parameters during turning. Fifteen healthy young adults were instructed to perform straight walking, 45° step turn to the left and 45° spin turn to the right at natural speed. Dynamic stability was measured by margin of stability (MoS) in anterior, posterior, left and right direction at each data point where significant differences were detected using 95% bootstrap confidence band. Common spatiotemporal parameters were computed in each condition subdivided into approach, turn and depart phases. Results showed that minimum anterior MoS appeared at middle of swing while minimum lateral MoS at contralateral heel strike in all conditions. Posterior MoS decreased before middle of turn phase in spin whereas after middle of turn phase in step. Lateral MoS and stride width declined in turn phase of spin while in depart of step. Spin had a long step and stride length. Long swing phases were observed in turns. These data help explain that people are most likely t...Continue Reading

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Citations

Sep 25, 2019·Sensors·Michelangelo GuaitoliniAngelo Maria Sabatini
Nov 10, 2020·Journal of Biomechanics·Huifen ZhengDewei Mao

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Software Mentioned

MoS
SPSS
Biomechanical ToolKit
MATLAB

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