Cold therapy reduces pain by constricting blood vessels and reducing circulation. Getting rid of a cold dilates the veins and increases circulation. Heat therapy can be used to help with blood circulation and the influx of nutrients to heal injured tissues.
Cold and heat therapy is used to reduce swelling, as a transient pain relief, relax muscles, and eventually, increase range of motion and circulation.
Cryotherapy is another name for cold therapy. It functions by decreasing blood flow in particular locations, which can significantly lessen redness and swelling that cause pain, particularly close to joints or tendons. Both pain relief and brain activity reduction are both immediate effects.
Hot and cold therapy patches work by making the skin feel cool and then warm.
These sensations on the skin distract you from the pain deep in your muscles and joints.
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