Knee pain is a common ailment that can range from mild discomfort to debilitating pain. This can be caused by a variety of factors. Common causes include injury, arthritis, bursitis, tendonitis, and osteoarthritis. https://mariamyxwa203418.onzeblog.com/35489498/knee-pain-causes-symptoms-and-treatment-symptoms-and-causes-causes-and-treatments-causes-symptoms-treatment