<s>[INST] bad back??Hello im writing to find out what may be causing my bad back problems.When i was younger i did alot of gymnastics..but at home by myself so i didnt really no what i was doing..and now i am currently 15..my back kills me!..everyday it hurts me and if i bend over it cracks like 10 times..its the only way to make it feel even slightly better..its my lower back that hurts..and i dont know what it could be?...also my hips are acting kinda odd..everytime i walked they pop..its both of them?..it kinda grosses me out..please let me know if u know what could be wrong!..thanks! [/INST] Dear friend, unsupervised gymnastics they is bending, stertching has played havoc in your musculoskeletal profile. Unnecessary stretching has caused vertebral bones and attached muscles, tendons to develop in a wrong fashion. The muscles which are attached with hip bones of both side has become weak causing that problem. While walking the both hip need a certain strength to carry our weight forward.in these cases the strength is lacking in both hip thus causing this odd feature. </s>