What is the prognosis for knee pain ?

The outlook for an individual with knee pain depends on the particular cause of the pain. For examples, knee pain caused by degenerative cartilage can be chronic, while knee pain from injury sometimes resolves completely with appropriate treatment.

 Can knee pain be prevented?

Knee pain can be prevented only to the extent that injuries can sometimes be avoided can knee pain be prevented.
he following tips generally help prevent or reduce pain. Check with you physician for specific recommendations for your situation: 

1. Increase Training Gradually : Doing too much too soon, is one of the major causes of sports injury Knee pain is particularly common in runners who increase training mileage quickly. The best way to avoid this is to follow the 10 percent rule. This simply means that you should limit your training increases to a maximum of 10 percent each week. That cane be time, load, mileage or any other parameter.
2. Strengthening Exercises :  Muscle weakness or imbalance is one of the first things physical therapists check for when evaluating knee pain. Such an imbalance can be the source of pain. In addition to specific muscle strengthening of the muscles that support the knee (quads, hamstrings, calf), building core strength improves overall stability which may reduce the risk of injury
3.  Skills Training : oordination drills and proprioceptive training have also been found to be helpful in protecting the knee from injuries
4. Appropriate Footwear : using the correct footwear is helpful to control excess ankle motion