Stability Limits, Single-Leg Jump, and Body Awareness in Older Tai Chi Practitioners

Amanda L. Gyllensten, Christina W Y Hui-Chan, Wai Nam Tsang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

46 Citations (Scopus)


Gyllensten AL, Hui-Chan CWY, Tsang WWN. Stability limits, single-leg jump, and body awareness in older Tai Chi practitioners. Objective: To compare stability limits, single-leg jumping, and body awareness in older Tai Chi practitioners and healthy older controls and to determine possible interrelationships among these variables. Design: Cross-sectional study. Setting: University-based rehabilitation center. Participants: Tai Chi practitioners (n=24; age±SD, 68.5±6.6y) and control subjects (n=20; age, 71.3±6.7y) were recruited. Interventions: Not applicable. Main Outcome Measures: Measures included the following: (1) subjects' intentional weight shifting to 8 different spatial positions within their base of support using the limits of stability test, (2) the ability to leave the floor in single-leg jumping and to maintain balance on landing using force platform measurements, and (3) body awareness and movement behaviors using the Body Awareness Scale-Health (BAS-H). Results: The findings showed that Tai Chi practitioners had a significantly better ability to lean further without losing stability and better directional control (P<0.01). They had a better ability to jump off the floor (P<0.05) and to maintain a longer single-leg stance after landing (P<.05) and better overall body awareness (P<.001). The single-leg jumps also correlated significantly with limits of stability measures of movement velocity, endpoint excursions, and maximum excursions but not with directional control. The BAS-H scores correlated significantly with the limits of stability measures except directional control. They also correlated significantly with the ability to jump off the floor and maintain stability after landing. Conclusions: When compared with healthy controls, Tai Chi practitioners had better stability limits, increased ability to perform a single-leg jump, and more stability in landing on 1 leg as well as better body awareness. Significant correlations among limits of stability measures, single-leg jumping tests, and the BAS-H scores indicate the importance of body awareness in limits of stability, single-leg jumping, and landing.
Original languageEnglish
Pages (from-to)215-220
Number of pages6
JournalArchives of Physical Medicine and Rehabilitation
Issue number2
Publication statusPublished - 1 Feb 2010


  • Accidental falls
  • Aging
  • Exercise
  • Rehabilitation

ASJC Scopus subject areas

  • Rehabilitation
  • Physical Therapy, Sports Therapy and Rehabilitation


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