hi ive had a similar problem for the past few years, i have terrible posture and i believe thats the common factor among us, so maybe good posture over a long period of time is our sollution! im relieved to see im not the only one with such an issue. im unable to reply on the same topic but if anyone searches this topic and finds this i would suggest searching the topic my sterum is cracking!!! and see the various messages from people affected with this.