The key to preventing runners knee is to strengthen your hip and core musculature BEFORE you are noticing the symptoms of runners knee.
The best exercises are simple, require no equipment, and should be done regularly (2-3 times per week) in order to prevent a flare up of runners knee.
If you missed the earlier videos in this series, make sure you check out the first video where I define runners knee. And in the second video, I go over some of the more effective ways of dealing with the symptoms of runners knee.
Do You to Steps Aimed at Preventing Runners Knee? What Things Do You Do on a Regular Basis to Stay Pain Free?