what causes knee pain by patella
There are many diseases and conditions that can cause knee pain, but the leading causes are typically related to physical activity, such as overuse, injury, and age-related wear and tear on the muscles, cartilage, tendons and ligaments of the knee.rauma-and injury-related causes of knee pain. Knee pain may be caused by injuries and trauma-related problems including: Bleeding within the joint space (hemarthrosis). Bone fracture (broken bone) or knee dislocation, especially of the patella (kneecap).