Rightly said @sameer777 that the knee joint's are the main part of the body, their main function is to bend and straighten for moving the body. The knee is more than just a simple hinge. It also twists and rotates. In order to perform all of these actions and to support the entire body while doing so, the knee relies on a number of structures, including bones, ligaments, tendons, and cartilage.

My father has a knee pain and these natural tips will definitely help him to cure.

Keep sharing @sameer777, such articles are helpful for the people suffering from such diseases.