Knee bending pain may be caused by synovitis, meniscus injury, ligament injury, trauma, various arthritis and so on.
1. Synovitis: patients with knee pain may be caused by synovitis, resulting in symptoms of joint swelling, so that there is a significant increase in joint fluid, so that the knee in the process of bending, causing pain in the joint.
2. Meniscus injury: If the knee joint is rotated in the state of bending, the meniscus will move backward and turn inside out, and the meniscus will be close to the femoral condyle with the movement, which will lead to tearing and damage of the meniscus if it exceeds the tensile force that the meniscus can withstand.
3. Ligament injury: due to improper exertion, overwork, and prolonged large amount of exercise, it may lead to the phenomenon of bending pain in the knee joint, accompanied by symptoms of joint swelling.
4. Trauma: when the patient’s knee joint has fracture, dislocation or patellofemoral joint injury, it will lead to swelling of the knee joint and limitation of activities, and bending of the knee joint will cause localized severe pain.
5. Various kinds of arthritis: if the patient suffers from rheumatoid arthritis, rheumatoid arthritis, infectious arthritis, gouty arthritis, osteoarthritis and so on, it will cause the patient to have knee bending pain.
There are many reasons for this symptom, if it is difficult to relieve, it is recommended that the patient go to the hospital in time, with the help of the doctor, according to the patient’s condition, active treatment.