Heat therapy helps to increase blood flow to the affected area, iastm tools while cold therapy helps to reduces inflammation. Hot and shoulder pulley cold therapy units: These devices can be used to relieve pain and reduce swelling. It works by delivering electrical impulses to the affected area, which helps to relieve pain and improve muscle strength. Neurotrac TENS machine is a therapeutic device used for life size skeleton pain relief and songbird massage wax muscle stimulation. Tig...