Running after an injury or extended period away requires a gradual progression that can be frustrating or discouraging. However, following these steps will have you feeling like your normal running self and even possibly running better than ever before.
Running causes irritation on the patella (kneecap) where it rests on the thighbone. The pain resulting from this irritation can be dull or sharp, and alignment persistent. The following is more detail to consider related to possible Runner's Knee.