Research Article

Therapeutic Effects of Tai Chi in Patients with Parkinson’s Disease

Table 4

Tests of physical function before and after 12 weeks of Tai Chi training or no exercise control condition in 20 participants with mild to moderate Parkinson’s disease.

Physical function
test
Treatment
group
Time =
BeforeAfter(a)*(b)(a × b)

One-leg standing
(seconds)
Tai Chi3.34 ± 3.015.91 ± 4.220.3780.2290.035
Control3.77 ± 2.432.66 ± 1.89

Reaction time
(seconds)
Tai Chi489.8 ± 140.2467.1 ± 102.10.0850.8190.016
Control432.1 ± 133.7554.4 ± 228.7

Timed up and go
(seconds)
Tai Chi7.39 ± 0.897.03 ± 0.900.2940.1730.066
Control8.06 ± 2.919.32 ± 4.16

Tandem gait
(seconds)
Tai Chi8.77 ± 2.158.55 ± 1.340.9850.1460.801
Control10.10 ± 5.0510.35 ± 2.88

Six-minute walk
(meters)
Tai Chi442.6 ± 71.7472.1 ± 58.60.2840.0790.241
Control369.9±139.7368.6±152.6

Note: table values are means standard deviations.
(a): main effects for time (pre- versus postintervention).
(b): main effects for intervention group (Tai Chi versus control).
(a × b): time × group interaction.