Patterned electrical neuromuscular stimulation electrode setup. Channel 1: 1a, gluteus medius; 1b, vastus medialis oblique. Channel 2: 2a, hamstrings muscle group; 2b, adductor muscle group. A, Posterolateral view. B, Anteromedial view. Reprinted with permission. Glaviano NR, Saliba SA. Immediate effect of patterned electrical neuromuscular stimulation on pain and muscle activation in individuals with patellofemoral pain. J Athl Train. 2016;51(2):118–128.