Massaging sore muscles, either with a professional massager or with a foam roller, increases blood flow to those muscles, much like light exercise. This helps the muscle to heal and reduce pain. It's also amazing. Acute inflammation is short-term inflammation. It happens when you have an acute injury, when your body encounters allergens, or when you get an acute infection. For example, if you twist your ankle while jogging, your ankle will swell, turn red, and hurt. If you have seasonal allergie