If you experience knee pain after sitting with your legs bent, it may be caused by arthritis, tendonitis, bursitis, or patellofemoral pain. If your knees hurt when sitting, it may be from sitting ...

Medically reviewed by Stella Bard, MDMedically reviewed by Stella Bard, MD Knee pain at night is a common condition caused by injury, arthritis, bursitis, gout, and more. When it happens at ...

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