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Changes of pelvis control with subacute stroke: A comparison of body-weight- support treadmill training coupled virtual reality system and over-ground training

Issue title: Papers from the 3rd International Conference on Biomedical Engineering and Technology (iCBEB 2014), 25–28 September 2014, Beijing, China

Subtitle:

Guest editors: Edward J. Ciaccio

Article type: Research Article

Authors: Mao, Yurong | Chen, Peiming | Li, Lifang | Li, Le* | Huang, Dongfeng*

Affiliations: Department of Rehabilitation Medicine, First Affiliated Hospital, Sun Yat-Sen University and Guangdong Provincial Research Center for Rehabilitation Medicine and Translational Technology, Guangzhou, Guangdong, China

Correspondence: [*] Corresponding author: Le Li and Dongfeng Huang, Department of Rehabilitation Medicine, First Affiliated Hospital, Sun Yat-Sen University and Guangdong Provincial Research Center for Rehabilitation Medicine and Translational Technology, Guangzhou, Guangdong 510080, China. Tel.: +86 020 87332200 8536; Fax: +86 020 87750632; E-mail:lile5@mail.sysu.edu.cn,huangdf@mail.sysu.edu.cn

Keywords: Body weight support, gait analysis, stroke, pelvic control, virtual reality

DOI: 10.3233/THC-150972

Journal: Technology and Health Care, vol. 23, no. s2, pp. S355-S364, 2015

Published: 2015
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Abstract

BACKGROUND: Gait recovery is very important to stroke survivors to regain their independence in activity of daily life.

OBJECTIVE: This study aimed to investigate the effects of virtual reality (VR) coupled body weight support treadmill training (BWSTT) on pelvic control at the early stage of stroke.

METHODS: Kinematic and kinetic changes of pelvic motion were evaluated by a 3D gait analysis system and were compared to the results from over-ground walking training. Twenty-four patients having unilateral hemiplegia with subacute stroke were recruited to a VR coupled BWSTT group (n= 12) and a conventional therapy (CT) group (n= 12). Both of the groups received training of 20-40 min/day, 5 days/week, for 3 weeks.

RESULTS: The results showed the tilt of pelvis in sagittal plane improved significantly (P= 0.038) after treatment in the BWSTT+VR group, in terms of decreased amplitude of anterior peak (mean, from 10.99° to 6.25°), while there were no significant differences in the control group.

CONCLUSION: The findings suggested that VR coupled BWSTT gait training could decrease anterior tilt of pelvis in early hemiparetic persons following a modest intervention dose, and the training may have advantages over conventional over-ground gait training and can assist the therapists in correcting abnormal gait pattern of stroke survivors.

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