ThermalPak - Heating Pad for Pain Relief, Workout Recovery, & Rehabilitation Heat therapy helps reduce joint & muscle pain from exercise, minor injury, & acute or chronic pain Foster increased circulatory & lymphatic activity through the application of localized heat For health care providers, ThermalPaks are a terrific addition to your pain management toolset ThermalPaks can also be placed in the freezer for a deep cooling sensation to treat migraines Effectively alleviate pain associated with arthritis & menstruation