[jonpress]

Wow, how did you manage to do the thoracic vertebrae? I have been trying to achieve that one for years! On the plus side, I was able to master repeated ankle cracking without refractory period - So I haven't exactly wasted my life.

[logfromblammo]

There are two reliable ways to do it. First, you cross your arms over your chest and put your hands on the opposite shoulders. A brawny accomplice then stands behind you and picks you up by your elbows. Your spine is stretched by your own body weight and your accomplice's chest. That is truly satisfying, but I haven't had it done in many years.

Second method, you put your back against a hard, flat surface and push yourself into it. This one may only pop one or two at a time. And you might break your furniture.