Hi doctor my name is Vedasto Brian from Tanzania I am student and social Utral runner I have been experienced with painfully from hip pain and knees joints pain  this happens when i run long run with high pace (speed workout) again I feel painfully from sides I mentioned,from this pain I have to pause from workout at least .one day to 2days when I resume to workout, there's no pain or I can little feel the pain but after running this again the pain return,but from currently before this I was frequently running every day morning to evening without painfully,so this what I have and like to do masturbation for sometimes I think this can cause the situation please I need help.