Knee exercises can relieve pain, but also prevent it. You absolutely must use at least some of our recommended knee exercises if you put a lot of strain on your knees, or if you frequently participate in sports or running.
To get you started we recommend reading out 7 Easy Knee Pain Relief Exercises article. Anyone can do these regardless of age or experience. This is literally what every doctor will order.
Another helpful guide we wholeheartedly recommend is our Workout Tips for Bad Knees. If you already suffer from knee pain and having a hard time exercising, these tips will show you how to quickly and painlessly improve your condition.