Pmst Loop Pemf Magnetic Therapy System Body Pain Relief Physical Therapy Machine with matHow does PMST LOOP therapy work? PMST LOOP therapy sends magnetic energy into the body. These energy waves work with your bodys natural magnetic field to improve healing. The magnetic fields help you to increase electrolytes and ions. This naturally influences electrical changes on a cellular level and influences cellular metabolism. It works with your bodys own recovery processes to help relieve chronic pain. Best of all, its entirely safe.