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Table 4 Comparisons of the changes of average COP AP speed1 among 3 groups before and after training (mm/s)

From: The effect of Tai Chi lower extremity exercise on the balance control of older adults in assistant living communities

 

Group

Variable

TC LEE (n = 40)

8-form TC (n = 31)

Stretching (n = 31)

P-value

Change Score

7.4 ± 2.3a

7.1 ± 2.7a

3.9 ± 3.6

0.001

  1. mm/s: millimeter/s
  2. 1Center of pressure speed in anterior–posterior direction
  3. aThe average COP AP (center of pressure in anterior–posterior direction) speed change is significantly different compared with the control group