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Title: Mediolateral sway in single-leg stance is the best discriminator of balance performance for Tai-Chi practitioners
Authors: Mak, MKY 
Ng, PL
Keywords: Balance
Tai Chi
Issue Date: 2003
Publisher: W.B. Saunders
Source: Archives of physical medicine and rehabilitation, 2003, v. 84, no. 5, p. 683-686 How to cite?
Journal: Archives of physical medicine and rehabilitation 
Abstract: Objectives: To identify a balance measure that can best distinguish Tai-Chi from non-Tai-Chi practitioners and to examine whether longer Tai-Chi practice results in better balance control.
Design: Cross-sectional comparative study.
Setting: Community.
Participants: Nineteen Tai-Chi practitioners (who practiced Tai Chi for 30–45min at least 3/wk for >1y) and 19 healthy subjects with regular exercise habits (who practiced Tai Chi for 30–45min at least 3/wk for >1y).
Interventions: Not applicable.
Main Outcome Measures: Scores on 2 clinical tests (functional reach, gait) and 1 laboratory test (postural sway).
Results: Tai-Chi practitioners had better clinical test scores for functional reach, gait speed, stride length, and sway parameters during single-leg stance (P<.05). Sway in mediolateral direction during single-leg stance was the balance performance variable that best discriminated the Tai-Chi group from non-Tai-Chi group. More experience practicing Tai Chi was associated with better balance performance.
Conclusions: Tai-Chi practitioners performed better both in clinical and laboratory tests when compared with subjects who did not practice Tai Chi. More Tai-Chi experience was associated with better postural control.
ISSN: 0003-9993
EISSN: 1532-821X
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