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http://dx.doi.org/10.22156/CS4SMB.2020.10.02.184

The Usefulness of a Wearable Smart Insole for Gait and Balance Analyses After Surgery for Adult Degenerative Scoliosis: Immediate and Delayed Effects  

Seo, Min Seok (School of Medicine, Pusan National University)
Shin, Myung Jun (Department of Rehabilitation, Medical Research Institute, Pusan National University Hospital)
Kwon, Ae Ran (College of Herbal Bio-Industry, Daegu Haany University)
Park, Tae Sung (Biomedical Research Institude, Pusan National University Hospital)
Nam, Kyoung Hyup (Department of Neurosurgery, Medical Research Institute, Pusan National University Hospital)
Publication Information
Journal of Convergence for Information Technology / v.10, no.2, 2020 , pp. 184-192 More about this Journal
Abstract
This study presents a gait analysis method (including time series analysis) using a smart insole as an objective and quantitative evaluating method after lumbar scoliosis surgery. The participant is a degenerative lumbar scoliosis patient. She took 3-min-gait-test four times(before and 8, 16, and 204-days after surgery) and 6-min-gait-test once(204-days after surgery) with smart-insoles in her shoes. Each insole has 8-pressure sensors, an accelerometer, and a gyroscope. The measured values were used to compare the characteristics of gait before and after surgery. The analysis showed that all of the patient's gait parameters improved after surgery. And after 6 months, the gait was more stable. However, after long walk, the swing duration of one leg was slightly shorter than that of the other again. It was a preclinical problem that could not be found in the visual examination by the practitioner. With this analysis method we could evaluate the improvement of patient quantitatively and objectively. And we could find a preclinical problem. This analysis method will lead to the studies that define and distinguish gait patterns of certain diseases, helping to determine appropriate treatments.
Keywords
Gait; Accelerometry; Postural balance; Scoliosis; Medical informatics;
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