Impact of Electromagnetic Field Therapy on Pain and Function in Patients With Mechanical Back Pain

Lower back pain, or LBP, is a major global health issue that affects functioning, social participation, and personal financial prosperity on a variety of biophysical, psychological, and social levels. In today's industrial society, it impacts roughly 50-80% of people who are of working age. Mechanical back pain patients suffer from myofascial trigger points (MTrPs), which are classified as either active or latent. Activated MTrPs cause either sudden onset of pain or in response to movement, stretching, or compression. Latent MTrPs are typically symptom-free, but when squeezed, they can re-create pain or irritation. Muscle weakness and limited ROM are other common signs of mechanical back pain, along with local as well as referred pain that affect patients functional activities. Recently, there has been a focus on non-pharmacotherapy for low back pain. One of them is electromagnetic field therapy (PEMF) which uses electromagnetic field pulses to stimulate tissue healing without causing heat damage to the tissue. The FDA has given electromagnetic field therapy devices approval for treating post-operative pain, swelling, and osteoarthritis. Furthermore, PEMF devices are frequently used to treat bone fractures, inflammation, arthritis, pain, swelling, and chronic wounds. Thus, the purpose of this study is to ascertain how electromagnetic field therapy affects the degree of pain and functional impairment in mechanical back pain patients suffering from myofascial trigger points.