Back of Knee Pain at the back of the knee can be caused by many issues including hamstring tendonitis, a baker's cyst, popliteal tendonitis, and other conditions causing swelling or inflammation. These conditions have many causes ranging from genetic to overuse. In any case, continuing to engage in extensive physical activity without rest or treatment would exacerbate the problem. Use this application to increase blood flow to the area and relieve the pressure. Increasing blood flow will help to
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