When you take an ice bath, the cold temperature narrows your blood vessels. This decreases blood flow to your muscles, which may reduce inflammation and swelling portable ice bath. And research suggests that the cold-therapy technique lowers post-exercise inflammation better than other methods like compression socks. Stepping into a cold bath might help relieve sore muscles. Scientists aren't sure exactly how it works. But less inflammation and slower nerve signalling could mean less pain. Cold water could also lower your perception of pain or how much soreness you feel.
