Knee always crunching can be caused by knee osteoarthritis, synovitis, meniscus disease and other factors.
1. Osteoarthritis of the knee joint: common in the old age group, there can be hyperplasia and degeneration of the knee joint, when the knee joint activities, hyperplasia and deformation of the bone can happen to each other and friction, and then appeared in the performance of the knee crunching.
2. Synovitis: when synovitis occurs in the knee joint, the synovial tissue can be hypertrophied and hyperplasia, and the hyperplasia can be stimulated during the activities and the crunching occurs.
3. Meniscus disease: including trauma-induced meniscus injury or meniscus degeneration, in the knee joint activities, the meniscus can be stuck in the joint, and then the symptoms of rattling.
When the knee always rattles, you should seek early medical treatment, and under the guidance of specialists, actively carry out appropriate treatment, which will help to alleviate the uncomfortable symptoms as soon as possible.