Table 2. Within-session variability (CV%; mean ± SD) of the normalized average rectified EMG signal across 10 excitation bursts during running, cycling and squatting exercise for traditional surface and textile EMG electrodes.
Traditional surface EMG electrodes
Textile EMG electrodes
Run
Gluteals
16.5 (6.5)
14.4 (4.6)
Vasti
20.3 (7.7)
16.5 (5.8)
Hamstrings
13.4 (4.2)
12.6 (5.5)
Cycle
Gluteals
17.4 (6.8)
16.7 (5.7)
Vasti
13.7 (5.4)
15.1 (5.9)
Hamstrings
13.2 (4.1)
17.4 (6.8) *
Squat
Gluteals
13.7 (5.2)
12.5 (5.5)
Vasti
9.8 (4.4)
8.3 (3.3)
Hamstrings
8.8 (4.7)
10.4 (4.6)
* denotes higher variability in the textile vs. traditional surface EMG electrodes