It is not uncommon to have sore knees, and it is not usually a sign that you are experiencing something serious. There may be a variety of causes. These could include muscle strain, tendonitis or some type of arthritis. Sometimes, it is impossible to determine the cause.
Knee pain can be treated at-home and should improve within a few days.
As you get older, your chances of getting knee pain increase. If you're overweight, your chances of experiencing knee pain are higher. Sometimes, knee pain could be the result of an injury or sports accident.