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1 month ago |
health.harvard.edu | Sarah Klein |Lauren Elson
March 21, 2025 By Sarah Klein, Health Writer Reviewed by Lauren Elson, MD, Contributor; Editorial Advisory Board Member, Harvard Health Publishing You've probably noticed people at the gym rolling their calves, glutes, and other body parts on small cylinders. These popular tools are called foam rollers. They can help you stay flexible and limber and reduce muscle tension and soreness. What is a foam roller? A foam roller is a cylinder made of foam.
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