Table 2. Peak EMG of maximum voluntary isometric contractions for each timepoint.
EMG
Parameters |
Intervention |
Baseline |
2s |
4min |
8min |
12min |
ANOVA
Time
(p-Value) |
| Mean |
SD |
Mean |
SD |
Mean |
SD |
Mean |
SD |
Mean |
SD |
| Peak
EMG [mV] |
RF |
PAPEV |
1.55 |
1.37 |
1.46 |
1.16 |
1.35 |
1.23 |
1.35 |
1.13 |
1.36 |
1.16 |
0.108 |
| PAPEE |
1.50 |
1.10 |
2.90 |
1.64 |
1.39 |
1.00 |
1.50 |
1.10 |
1.58 |
1.00 |
0.001 |
| VM |
PAPEV |
1.44 |
1.24 |
1.47 |
1.24 |
1.41 |
1.25 |
1.38 |
1.25 |
1.45 |
1.25 |
0.519 |
| PAPEE |
1.52 |
0.91 |
2.94 |
1.41 |
1.42 |
0.85 |
1.55 |
0.92 |
1.52 |
0.81 |
0.006 |
| VL |
PAPEV |
1.29 |
1.26 |
1.36 |
1.28 |
1.22 |
1.20 |
1.28 |
1.27 |
1.27 |
1.21 |
0.115 |
| PAPEE |
1.28 |
0.76 |
2.99 |
1.20 |
1.17 |
0.72 |
1.90 |
0.78 |
1.21 |
0.70 |
0.002 |
| net-EMG |
PAPEV |
1.05 |
0.95 |
1.06 |
0.92 |
0.98 |
0.90 |
0.99 |
0.92 |
1.01 |
0.89 |
0.203 |
| PAPEE |
1.18 |
0.62 |
2.37 |
0.88 |
1.03 |
0.59 |
1.13 |
0.64 |
1.08 |
0.55 |
0.002 |
p-Value < 0.05 indicated by bold values, RF: Rectus femoris, VM: Vastus medialis, VL: Vastus lateralis, net-EMG: overall activation of the quadriceps muscle, PAPEE: Post-activation performance enhancement (electrical CC), PAPEV: Post-activation performance enhancement (voluntary CC).
