I'm 15 I Have It's Have Ischiofemoral Impingement Syndrome In

I'm 15 I have it's have ischiofemoral impingement syndrome in my left hip my knees have been getting worse as I get older and when it is cold outside or when I run it feels like there is a hole in the middle of my knee and my knee tends to buckle or get very weak when I jump at a certain point can you tell me what is wrong with my knees ?