Table 4. The effects of 12-week whole body vibration training on muscle strength and endurance. All values were presented as mean (± SD). |
|
ANOVA |
|
VT |
CON |
unpaired-t test (baseline) |
Group |
Time |
Group-by- Time |
|
n = 10 |
n = 8 |
df |
t |
p |
F |
p |
F |
p |
F |
p |
Maximal isometric lumbar extension strength (SI/kg) |
|
pre |
149.6 (54.6) |
135.0 (45.3) |
1,16 |
-.61 |
.55 |
.13 |
.72 |
18.29 |
.001 |
.79 |
.39 |
|
post |
169.8 (68.7) |
165.8 (46.3) |
Maximal isokinetic knee extension-con- (Nm/kg) |
|
pre |
1.92 (.48) |
1.53 (.80) |
1,16 |
1.28 |
.22 |
1.95 |
.18 |
2.53 |
.13 |
.15 |
.70 |
|
post |
2.13 (.50) |
1.66 (.96) |
Maximal isokinetic knee extension-ecc- (Nm/kg) |
|
pre |
2.34 (.79) |
2.05 (.86) |
1,16 |
.75 |
.46 |
.82 |
.38 |
2.65 |
.12 |
.37 |
.55 |
|
post |
2.59 (.85) |
2.17 (1.00) |
Maximal isokinetic knee flexion - con- (Nm/kg) |
|
pre |
1.00 (.25) |
.78 (.38) |
1,16 |
1.54 |
.14 |
2.49 |
.13 |
16.85 |
.001 |
.04 |
.84 |
|
post |
1.22 (.31) |
.97 (.40) |
Maximal isokinetic knee flexion- ecc- (Nm/kg) |
|
pre |
1.29 (.22) |
1.02 (.34) |
1,16 |
2.02 |
.06 |
4.61 |
.05 |
3.56 |
.08 |
.09 |
.77 |
|
post |
1.43 (.31) |
1.12 (.38) |
Number of sit-ups (time) |
|
pre |
18.1 (4.5) |
17.6 (4.3) |
1,16 |
-.23 |
.82 |
.18 |
.67 |
39.56 |
.001 |
1.80 |
.20 |
|
post |
20.8 (5.2) |
19.4 (4.7) |
|
CON, control group; VT, Vibration training group; con: concentric contraction; ecc: eccentric contraction; SI: strength index. |
|