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If your knees ache from time to time, you’re not alone: Knee pain leads to over a million U.S. emergency room visits each year.
There’s a long list of possible causes for knee pain, says Dennis Chang, MD, an orthopedic surgeon from Rose Medical Center in Denver, Colorado. These include:
- Injuries
- Arthritis
- Bursitis, or inflammation of the fluid-filled sacs around your knee
- Overuse or under use—both running and sitting for too long may cause front-of-the-knee pain
