Skip to main content

Table 1 Maximal handgrip strength measurement of each participant throughout the experimental sessions

From: Effect of high-frequency alternating current transcutaneous stimulation over muscle strength: a controlled pilot study

  10 kHz
(Newtons)
5 kHz
(Newtons)
Sham Stimulation
(Newtons)
0 min 15 min 20 min 30 min 0 min 15 min 20 min 30 min 0 min 15 min 20 min 30 min
Participant 1 48.7 43.3 49.5 49.5 54.8 45.1 52.2 50.7 53.9 54.4 51.5 51.1
Participant 2 30.6 25.8 24.7 27.9 27.5 29.3 29.0 29.3 31.8 31.2 31.4 32.3
Participant 3 41.0 35.7 38.1 39.3 39.3 38.9 36.1 40.2 39.4 36.7 39.8 41.9
Participant 4 43.7 35.4 37.0 39.6 45.5 37.1 40.7 41.5 42.0 45.3 42.1 41.4
Participant 5 25.6 18.8 25.2 23.1 24.1 22.9 24.0 24.0 26.6 27.8 25.7 25.3
Participant 6 33.8 32.6 31.2 33.8 34.5 36.4 33.3 30.0 33.4 35.0 35.3 33.5
Participant 7 14.9 15.1 16.2 15.9 16.0 16.5 17.4 17.5 14.7 17.7 14.3 15.4
Participant 8 29.3 25.6 24.8 27.4 28.1 28.9 28.1 30.1 29.6 27.6 26.8 27.9
Participant 9 55.3 52.1 49.5 50.8 50.3 52.6 51.4 52.2 52.2 53.7 50.8 50.4
Participant 10 19.1 14.3 16.4 19.2 17.2 16.9 19.3 18.1 20.6 19.3 17.3 18.1
Participant 11 17.2 10.0 17.3 19.2 21.5 16.9 21.0 22.3 20.3 21.3 19.5 18.9
Mean 32.7 28.1 30.0 31.4 32.6 31.0 32.0 32.4 33.1 33.6 32.2 32.4
SD 13.3 13.1 12.2 12.2 13.3 12.1 12.1 12.2 12.8 12.9 12.9 12.6
SEM 4.0 4.0 3.7 3.7 4.0 3.7 3.6 3.7 3.9 3.9 3.9 3.8
  1. Data are expressed in Newtons. SD Standard deviation, SEM standard error of the mean