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http://dx.doi.org/10.7736/KSPE.2013.30.4.450

Development of Weight Shifting Training System using Biofeedback for Post-stroke Hemiplegic Patients with Step Length Asymmetry  

Kim, Seeun (School of Mechanical Engineering, Yonsei Univ.)
Kim, Deog Young (Department and Research Institute of Rehabilitation Medicine, Yonsei Univ. College of Medicine)
Kim, Jung Hoon (School of Civil and Environmental Engineering, Yonsei Univ.)
Choi, Jong Hyun (School of Mechanical Engineering, Yonsei Univ.)
Joo, So Young (Department and Research Institute of Rehabilitation Medicine, Yonsei Univ. College of Medicine)
Kang, Na Kyung (Department and Research Institute of Rehabilitation Medicine, Yonsei Univ. College of Medicine)
Baek, Yoon Su (School of Mechanical Engineering, Yonsei Univ.)
Publication Information
Abstract
The aim of this study was to develop and verify gait training system for post-stroke hemiplegia patients with step length asymmetry. Most post-stroke hemiplegic patients show gait asymmetry and weight shifting training has been suggested as a useful method for improving the walking ability. However, verbal cue by physical therapist may be not effective. Therefore, our weight shift training system was designed to give a feedback to patients through precise plantar pressure and center of pressure (COP) measurement. This weight shifting biofeedback training system is composed of F-Scan plantar pressure measurement system and software development kit (SDK) for Windows operating system. Two post-stroke patients with step length asymmetry were enrolled in this study. After training for six weeks, the weight shift score and step length ratio of two all patients were improved and approached to them of non-disabled. This system developed in this study may improve the step length asymmetry, and therefore this system is also expected to improve a walking ability in hemiplegic patients.
Keywords
Stroke Rehabilitation; Hemiplegia; Center of Pressure; Step Length Asymmetry; Weight Shift;
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