“…Since obtaining approval from the United States Food and Drug Administration in 1979, pulsed electromagnetic therapy (PEMT) has been widely used to counteract pain resulting from various conditions such as arthritis of the knee joint, 1 -3 ligament and muscle injuries, 1,4,5 delayed union fracture, 6 whiplash injury, 7 chronic pelvic pain, 8 headache, 9 complex regional pain syndrome type I 10 and multiple sclerosis. 11 In addition, PEMT has also been used to prevent osteoporosis 12,13 and enhance scar healing. 14,15 However, its efficacy and the optimal modes of magnetic field administration remain intensely controversial.…”