Fig. 2From: Effects of electrode size and placement on comfort and efficiency during low-intensity neuromuscular electrical stimulation of quadriceps, hamstrings and gluteal musclesComfort according to the Numeric Rating Scale for pain (NRS) and intensity needed for muscle contraction for different placements of the electrodes on quadriceps (A, B), hamstrings (C, D) and glutues (E, F). P values calculated with Wilcoxon signed rank test, significant values are boldBack to article page