Skip to main content

Table 2 Comfort and intensity needed for muscle contraction for horizontal versus vertical placement of the 5 × 9 cm electrodes

From: Effects of electrode size and placement on comfort and efficiency during low-intensity neuromuscular electrical stimulation of quadriceps, hamstrings and gluteal muscles

  Quadriceps Hamstrings Gluteus
p valuea p valuea p valuea
NRS—vertical placement 0 (0–0.50) 0.91 0 (0–0.33) 0.53 0 (0–1.3) 0.58
NRS—horizontal placement 0 (0–0.38)   0.25 (0–0.50)   0 (0–0.44)  
Amplitude (mA)—vertical placement 20 (17–22) 0.39 24 (22–26) 0.57 29 (24–32) 0.21
Amplitude (mA)—horizontal placement 20 (17–22)   25 (22–26)   29 (23–37)  
  1. NRS, Numeric Rating Scale for pain; mA, milli ampere
  2. aP values calculated with Wilcoxon sign rank test. Data are expressed as median (inter-quartile range)