Localized cryotherapy is a flow of -30° C air applied to a select body part. Influenced by the cold, the blood vessels under the skin constrict and temporarily reduce blood flow in the cooled area, then dilate, resulting in freshly oxygenated blood to perfuse the tissue. Cooling reduces pain sensitivity, inflammation, and swelling and is great for injuries, muscle spasms, acute pain, and joint pain. The session is up to 15 min long. Localized cryotherapy can: