Title |
A gait abnormality measure based on root mean square of trunk acceleration
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Published in |
Journal of NeuroEngineering and Rehabilitation, December 2013
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DOI | 10.1186/1743-0003-10-118 |
Pubmed ID | |
Authors |
Masaki Sekine, Toshiyo Tamura, Masaki Yoshida, Yuki Suda, Yuichi Kimura, Hiroaki Miyoshi, Yoshifumi Kijima, Yuji Higashi, Toshiro Fujimoto |
Abstract |
Root mean square (RMS) of trunk acceleration is seen frequently in gait analysis research. However, many studies have reported that the RMS value was related to walking speed. Therefore, the relationship between the RMS value and walking speed should be considered when the RMS value is used to assess gait abnormality. We hypothesized that the RMS values in three sensing axes exhibit common proportions for healthy people if they walk at their own preferred speed and that the RMS proportions in abnormal gait deviate from the common proportions. In this study, we proposed the RMS ratio (RMSR) as a gait abnormality measure and verified its ability to discriminate abnormal gait. |
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