|
Dependent variable
|
Group
|
Pre vibration
|
Post vibration
|
Change (%)
|
|---|
|
Quadriceps PT*
|
OA
|
128 ± 49
|
124 ± 44
|
-2.4
|
| |
Control
|
170 ± 59
|
156 ± 55
|
-8.2**
|
|
Vastus medialis RMS*
|
OA
|
0.13 ± 0.06
|
0.13 ± 0.06
|
1.4
|
| |
Control
|
0.27 ± 0.19
|
0.24 ± 0.18
|
-13.3**
|
|
Vastus lateralis RMS*
|
OA
|
0.13 ± 0.06
|
0.13 ± 0.06
|
3.9
|
| |
Control
|
0.22 ± 0.13
|
0.19 ± 0.13
|
-14.1**
|
|
Hamstrings PT
|
OA
|
48 ± 18
|
49 ± 16
|
1.7
|
| |
Control
|
56 ± 19
|
55 ± 19
|
-0.4
|
|
Semitendinosus RMS
|
OA
|
0.17 ± 0.09
|
0.18 ± 0.10
|
7.1
|
| |
Control
|
0.22 ± 0.12
|
0.23 ± 0.15
|
3.8
|
|
Biceps femoris RMS
|
OA
|
0.12 ± 0.10
|
0.10 ± 0.08
|
-2.5
|
| |
Control
|
0.16 ± 0.07
|
0.16 ± 0.07
|
2.6
|
- Data presented as mean ± standard deviation. OA, osteoarthritis; PT, peak torque (Nm); RMS, root mean square of electromyographic signals. *Significant difference between groups (P < 0.05). **Significant change from zero (P < 0.05).
