I have chondromalacia patella, 1 & half years bfr doc hv done arthroscopy, my leg twisted aftr 2 month ,worst pain started again, standing more than 5 min is painful, I can't walk properly nw, during walking m giving pressure on another leg, so another knee also paining nw, bcoz of continuous bed rest from 10 months lower back pain started, doing physio everyday for knee, bcoz of diet my wt is 55 height 5.2,still I hv prob to live normal life.