1) Medical treatment 2) Soreness treatment 
A heating pad is a pad used for warming of parts of the body in order to manage pain. Localized application of heat causes the blood vessels in that area to dilate, enhancing perfusion to the targeted tissue. Types of heating pads include electrical, chemical and hot water bottles. ==Types== ===Electrical=== Electric pads usually operate from hous...
[n] - heater consisting of electrical heating elements contained in a flexible pad
noun heater consisting of electrical heating elements contained in a flexible pad