This info may well give you an idea of exactly what the lead to might be. But tend not to self-diagnose – see a GP if you're anxious. Bursitis: Inflammation with the bursae close to the kneecap may result from repetitive action or prolonged kneeling. Neither glucosamine nor chondroitin, by https://www.theorthopaedicandpainpractice.com/understanding-and-treating-elderly-knee-pain/