Archives of Physical Medicine and Rehabilitation
Volume 87, Issue 6 , Pages 814-820 , June 2006

Plantar Pressure Distribution During Tai Chi Exercise

  • De Wei Mao, PhD

      Affiliations

    • Department of Sports Science and Physical Education, Chinese University of Hong Kong, Shatin, Hong Kong
    • Shandong Institute of Physical Education and Sports, Jinan, Shandong, China
  • ,
  • Jing Xian Li, PhD

      Affiliations

    • School of Human Kinetics, University of Ottawa, ON, Canada.
  • ,
  • Youlian Hong, PhD

      Affiliations

    • Department of Sports Science and Physical Education, Chinese University of Hong Kong, Shatin, Hong Kong
    • Corresponding Author InformationReprint requests to Youlian Hong, PhD, Dept of Sports Science and Physical Education, Chinese University of Hong Kong, Shatin, NT, Hong Kong

  • Image Result

    Foot movements during (A) forward, (B) backward, (C) sideways, (D) up-down, and (E) fixing Tai Chi movements.

    Foot movements during (A) forward, (B) backward, (C) sideways, (D) up-down, and (E) fixing Tai Chi movements.

  • Image Result

    Divided plantar regions of the left foot and the definition of the coordinate system based on this insole system. Abbreviations: 1st MTH, first metatarsal head; 2nd–3rd MTH, 2nd–3rd metatarsal heads;

    Divided plantar regions of the left foot and the definition of the coordinate system based on this insole system. Abbreviations: 1st MTH, first metatarsal head; 2nd–3rd MTH, 2nd–3rd metatarsal heads; 4th–5th MTH, 4th–5th metatarsal heads; GT, great toe; LH, lateral heel; LM, lateral midfoot; LT, lesser toes; MH, medial heel; MM, medial midfoot.

  • Image Result
    Comparison of PTI among 9 plantar regions during (A) Tai Chi (TC) movements and (B) normal walking. *Indicates the 2 largest regions significantly greater than the remaining regions (P<.05).

    Comparison of PTI among 9 plantar regions during (A) Tai Chi (TC) movements and (B) normal walking. *Indicates the 2 largest regions significantly greater than the remaining regions (P<.05).

  • Image Result
    Normalized (percentage of body weight) ground reaction forces (GRFs) against the time during the stance phase in the Tai Chi movements and normal walking. Legend: Thick lines ( ) indicate the (A) forw

    Normalized (percentage of body weight) ground reaction forces (GRFs) against the time during the stance phase in the Tai Chi movements and normal walking. Legend: Thick lines ( ) indicate the (A) forward; (B) backward; (C) sideways; (D) up-down; and (E) fixing Tai Chi movements; dotted lines () indicate 1 standard deviation (SD) from the mean of the Tai Chi movements; thin lines () indicate normal walking.

  • Image Result
    Comparisons of the x coordinates of the COP at initial and end contact with the ground and the displacements during contact in the Tai Chi movements and normal walking. NOTE. Values are mean ± SD. *Si

    Comparisons of the x coordinates of the COP at initial and end contact with the ground and the displacements during contact in the Tai Chi movements and normal walking. NOTE. Values are mean ± SD. *Significantly greater than normal walking (P<.05); significantly less than normal walking (P<.05), which were detected by 1-way ANOVA with repeated measures using a Bonferroni adjustment.

  • Image Result
    The comparisons of the y coordinates of the COP at initial and end contact with the ground and the displacements during contact in the Tai Chi movements and normal walking. NOTE. Values are mean ± SD.

    The comparisons of the y coordinates of the COP at initial and end contact with the ground and the displacements during contact in the Tai Chi movements and normal walking. NOTE. Values are mean ± SD. *Significantly greater than normal walking (P<.05); significantly less than normal walking (P<.05), which were detected by 1-way ANOVA with repeated measures using a Bonferroni adjustment.

 Supported by the Hong Kong Special Administrative Region (project no. CUHK4360/00H).

 No commercial party having a direct financial interest in the results of the research supporting this article has or will confer a benefit upon the authors or upon any organization with which the authors are associated.

PII: S0003-9993(06)00204-8

doi: 10.1016/j.apmr.2006.02.035

Archives of Physical Medicine and Rehabilitation
Volume 87, Issue 6 , Pages 814-820 , June 2006