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Can’t afford a deep-tissue massage? Use a foam roller after your workouts to increase circulation and ease knots in all your muscles.

Ever wondered about those foam logs you see people rolling around on at the gym? They’re called foam rollers, and they’re an effective — and inexpensive — addition to your workout. Used as part of a warm-up, rolling improves circulation and gets the body ready for movement. It also helps with recovery after your workout. Learn more.