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. 2022 Feb 7;14:807151. doi: 10.3389/fnagi.2022.807151

TABLE 4.

Single walking and timed up and go performance after different tDCS interventions.

Group M1 group (n = 9) DLPFC group (n = 9) Cerebellum group (n = 9) Sham group (n = 9) Time
 Group
 Time × group
p-value, F-value p-value, F-value p-value, F-value, η2
Single walking
Speed (cm/sec) <0.001,
F(3,32) = 15.272		 0.056,
F(3,32) = 2.800		 0.197,
F(3,32) = 1.653, 0.134
 Pre 113.94 ± 22.1 101.14 ± 21.4 87.19 ± 21.8 101.17 ± 18.9
 Post 121.59 ± 26.6 114.30 ± 19.3# 92.18 ± 22.7 103.50 ± 19.4
Cadence (step/min) 0.012,
F(3,32) = 7.176		 0.117,
F(3,32) = 2.119		 0.058,
F(3,32) = 2.764, 0.206
 Pre 120.09 ± 8.4 116.86 ± 12.0 107.78 ± 11.9 120.26 ± 8.4
 Post 121.41 ± 12.0 124.44 ± 12.5# 112.16 ± 13.3 119.93 ± 10.0
ST (sec) 0.792,
F(3,32) = 0.070		 0.102,
F(3,32) = 2.250		 0.052,
F(3,32) = 2.858, 0.211
 Pre 1.01 ± 0.1 1.04 ± 0.1 1.12 ± 0.1 0.88 ± 0.3
 Post 1.01 ± 0.1 0.97 ± 0.1 1.09 ± 0.2 1.01 ± 0.1
SL (cm) <0.001,
F(3,32) = 16.406		 0.067,
F(3,32) = 2.623		 0.130,
F(3,32) = 2.023, 0.159
 Pre 113.55 ± 18.8 103.31 ± 14.9 96.41 ± 16.4 100.68 ± 14.6
 Post 120.33 ± 19.7# 110.27 ± 11.0 97.59 ± 17.7 102.92 ± 14.0
ST variability (%) 0.049,
F(3,32) = 4.190		 0.298,
F(3,32) = 1.278		 0.589,
F(3,32) = 0.650, 0.057
 Pre 3.07 ± 1.4 3.08 ± 1.6 6.06 ± 5.5 6.07 ± 9.2
 Post 1.89 ± 0.9 2.90 ± 0.8 3.38 ± 1.2 2.58 ± 1.7
SL variability (%) 0.134,
F(3,32) = 2.369		 0.743,
F(3,32) = 0.415		 0.496,
F(3,32) = 0.813, 0.071
 Pre 4.10 ± 2.9 3.86 ± 3.1 4.86 ± 3.2 3.68 ± 1.8
 Post 3.56 ± 2.8 4.25 ± 2.9 6.25 ± 3.4 2.53 ± 1.0
Timed up and go (sec) 0.939,
F(3,32) = 0.006		 0.832,
F(3,32) = 0.289		 0.335,
F(3,32) = 1.174, 0.099
 Pre 9.59 ± 1.9 10.92 ± 2.1 13.56 ± 2.9 11.83 ± 4.0
 Post 9.92 ± 1.9 10.58 ± 1.4 13.26 ± 2.2 12.18 ± 3.3

Data are presented as the mean ± SD (the Shapiro–Wilk test was used to determine the values are normally distributed).

ST, stride time; SL, stride length.

#P < 0.05 for intragroup comparison (analyzed using paired t-test).