Table 2. AEMG values in each quadriceps femoris muscle (VL= vastus lateralis, VM = vastus medialis, RF = rectus femoris) measured before and after 20min of vibration and that of relative change after vibration in both study groups. Data are means (±SD).
Muscles |
Type of contraction |
Pre-Vibration (mV) |
Post-Vibration (mV) |
|
F value |
P value |
VL |
Concentric |
.071 (.032) |
.062 (.190) |
Pre vs. Post |
7.279 |
.0308 |
|
Eccentric |
.126 (.067) |
.105 (.057) |
Con vs. Ecc |
7.188 |
.0315 |
|
|
|
|
Interaction |
.951 |
.3619 |
VM |
Concentric |
.074 (.015) |
.070 (.160) |
Pre vs. Post |
9.556 |
.0175 |
|
Eccentric |
.130 (.050) |
.105 (.040) |
Con vs. Ecc |
12.403 |
.0097 |
|
|
|
|
Interaction |
7.037 |
.0328 |
RF |
Concentric |
.158 (.069) |
.149 (.072) |
Pre vs. Post |
.411 |
.5416 |
|
Eccentric |
.194 (.102) |
.161 (.085) |
Con vs. Ecc |
4.176 |
.0803 |
|
|
|
|
Interaction |
4.232 |
.0787 |