Effectiveness and Limitations of Unsupervised Home-Based Balance Rehabilitation with Nintendo Wii in People with Multiple Sclerosis
Table 2
Variation of postural sway parameters before and after the Wii training for bipedal stance in eyes-open and eyes-closed conditions.
Eyes open
Eyes closed
Time effect value
Vision effect value
Time vision interaction value
Pre-Wii
Post-Wii
Pre-post change
Pre-Wii
Post-Wii
Pre-post change
Sway area (mm2)
340.68 ± 197.82
275.85 ± 195.73
−64.83 ± 75.62
502.08 ± 337.78
389.44 ± 339.54
−97.96 ± 199.44
0.004†
0.002†
0.482
COP path length (mm)
469.85 ± 142.91
463.52 ± 163.92
−6.33 ± 84.54
700.95 ± 308.83
668.12 ± 330.90
−26.52 ± 159.63
0.502
<0.001†
0.521
COP max disp. ML (mm)
25.12 ± 9.54
22.36 ± 9.00
−2.76 ± 5.43
31.82 ± 13.66
25.98 ± 11.15
−5.13 ± 6.67
0.003†
0.003†
0.131
COP max disp. AP (mm)
29.38 ± 6.68
29.18 ± 10.08
−0.21 ± 6.66
39.02 ± 9.67
37.26 ± 13.98
−1.30 ± 11.47
0.629
<0.001†
0.704
COP velocity ML (mm s−1)
8.94 ± 2.89
8.07 ± 3.20
−0.86 ± 1.83
12.29 ± 5.60
11.09 ± 5.78
−0.96 ± 2.72
0.041†
<0.001†
0.932
COP velocity AP (mm s−1)
10.78 ± 3.86
8.11 ± 3.20
−2.16 ± 5.19
17.02 ± 7.87
16.72 ± 8.77
−0.25 ± 4.77
0.892
<0.001†
0.507
All values are expressed as mean ± SD. Pre-Wii: baseline values, Post-Wii: after 5 weeks of balance training with Nintendo Wii. The symbol †denotes statistical significance ().
