Commercial heat packs (containing iron and water, or supersaturated sodium acetate) and cold packs (various ammonium salts) can be used to show exo- and endothermicity. Heat packs that contain iron ...

INTENDED USE: Adjustable elastic wrap conforms to all body parts to hold cold or hot packs in place HOT & COLD THERAPY: Includes one reusable 6" x 9" hot/cold pack, ideal for wrists, ankles ...

"Cold packs are appropriate for recent acute injuries ... noting that some people misinterpret heat as "hot" and end up ...

Try ice packs, a bag of frozen veggies, a bag of ice wrapped in a towel, or even an ice massage where you gently rub an ice cube directly on the painful joint. Both hot and cold therapy give ...