Table 3: Frequency of EMG gaps (periods per minute below 0.5% EMGmax) for m. trapezius and m. splenius, median (interquartile range).

Training Control

Trapezius
 Before daily training sessionWeek 08.5 (4.4–11.6)4.2 (1.9–11.5)
Week 108.2 (6.3–15.3)3.7 (1.1–13.2)
 After daily training sessionWeek 07.4 (5.4–11.7)3.0 (2.0–12.2)
Week 107.6 (4.4–15.2)2.2 (1.2–6.4)
Splenius
 Before daily training sessionWeek 03.1 (1.4–10.9)5.0 (1.6–10.9)
Week 1012.3 (4.8–15.2)b1.1 (0.5–5.8)
 After daily training sessionWeek 05.0 (2.7–7.8)3.1 (1.3–11.7)
Week 108.0 (3.5–14.5)d1.3 (0.5–6.5)

significant change from baseline to follow-up in the training group compared with the control group. significant change from before to after the daily training session.