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Variable
Group
Pre-intervention
Post-intervention
Follow-up
Within-group
Between-group
F
P
F 2, 31
P
Modified star excursion balance test (%)
Posteromedial
WBV-S
90.77 (11.68)
96.88 (13.96)
103.79 (15.39)
F 2, 62 = 19.42
< 0.001 †
0.20
0.81
WBV
87.14 (13.90)
97.90 (18.21)
97.58 (14.64)
CON
90.10 (17.53)
96.04 (14.74)
94.91 (13.38)
Peak torque (nm/kg)
Concentric evertor
WBV-S
23.41 (7.12)
26.26 (8.01)
NA
F 1, 31 = 0.47
0.49
2.61
0.08
WBV
20.15 (5.31)
15.70 (6.12)
NA
CON
24.75 (17.29)
22.65 (9.15)
NA
Eccentric evertor
WBV-S
33.55 (9.08)
32.96 (8.79)
NA
F 1, 31 = 0.03
0.85
0.56
0.57
WBV
28.88 (9.33)
30.49 (8.85)
NA
CON
33.45 (13.21)
33.16 (11.92)
NA
Concentric invertor
WBV-S
32.07 (7.32)
31.75 (9.96)
NA
F 1, 31 = 0.02
0.87
1.04
0.36
WBV
24.66 (10.33)
26.70 (10.44)
NA
CON
31.69 (16.34)
29.70 (14.65)
NA
Eccentric invertor
WBV-S
31.96 (7.89)
32.13 (9.65)
NA
F 1, 31 = 0.38
0.53
2.00
0.15
WBV
28.50 (9.83)
24.03 (3.73)
NA
CON
31.45 (16.35)
32.03 (18.03)
NA
Joint position sense error (degrees)
Active 5°
WBV-S
2.85 (1.46)
4.11 (2.15)
NA
F 1, 31 = 3.47
0.06
0.96
0.39
WBV
3.53 (1.53)
4.61 (2.40)
NA
CON
3.34 (1.61)
3.22 (1.19)
NA
Active 15°
WBV-S
4.54 (2.13)
3.45 (2.50)
NA
F 1, 31 = 1.08
0.30
2.34
0.11
WBV
4.36 (1.39)
3.92 (1.81)
NA
CON
2.26 (1.13)
3.07 (1.31)
NA
Passive 5°
WBV-S
3.68 (1.27)
2.61 (2.08)
NA
F 1, 31 = 9.71
< 0.001 †
0.13
0.87
WBV
3.65 (1.30)
2.62 (0.92)
NA
CON
3.80 (1.47)
2.91 (1.07)
NA
Passive 15°
WBV-S
4.82 (1.58)
2.99 (2.49)
NA
F 1, 31 = 4.29
0.05
0.17
0.84
WBV
4.34 (2.38)
3.33 (1.41)
NA
CON
3.31 (2.28)
3.70 (1.78)
NA
Note: Values are means and (Standard Deviation). Significant post hoc difference between: † pre- and post-intervention
Abbreviations : WBV Whole body vibration group, WBV-S Whole body vibration with shoe with an unstable surface group, CON Control group, NA Not applicable
