Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/20804
Title: Tai Chi improves standing balance control under reduced or conflicting sensory conditions
Authors: Tsang, WW 
Wong, VS
Fu, SN 
Hui-Chan, CW
Keywords: Balance
Rehabilitation
Tai Chi
Issue Date: 2004
Publisher: W.B. Saunders
Source: Archives of physical medicine and rehabilitation, 2004, v. 85, no. 1, p. 129-137 How to cite?
Journal: Archives of physical medicine and rehabilitation 
Abstract: Objective: To investigate the effects of long-term Tai Chi practice on balance control when healthy elderly Tai Chi practitioners stood under reduced or conflicting somatosensory, visual, and vestibular conditions, as compared with healthy elderly non-Tai Chi practitioners and young subjects. Design: Cross-sectional study. Setting: University-based rehabilitation center in Hong Kong. Participants: Twenty elderly Tai Chi practitioners (mean experience ± standard deviation, 7.2±7.2y) were compared with 20 elderly non-Tai Chi practitioners and 20 young, healthy university students. Interventions: Not applicable. Main Outcome Measures: The amplitude of anteroposterior body sway under different somatosensory, visual, and vestibular conditions was measured using computerized dynamic posturography, whereby subjects underwent 6 combinations of visual and support surface conditions. Results: The Tai Chi practitioners had significantly better balance control than the non-Tai Chi subjects in the visual and vestibular ratios, but not in the somatosensory ratio. Furthermore, there were no significant differences in any of these 3 sensory ratios when the Tai Chi practitioners were compared with those of the young, healthy subjects. Conclusions: Long-term Tai Chi practice improved balance control in the elderly population when there was an increased reliance on the visual and vestibular systems during stance. Of particular interest is that our elderly Tai Chi practitioners attained the same level of balance control performance as did young, healthy subjects when standing under reduced or conflicting somatosensory, visual, and vestibular conditions.
URI: http://hdl.handle.net/10397/20804
ISSN: 0003-9993
EISSN: 1532-821X
DOI: 10.1016/j.apmr.2003.02.002
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