Cracking my back?

Question

i sit in science and we have these really horrable stolls and it starts to hurt my back after a while i feel if i crack my back it will help how would i do it with out the teacher noticeing
ty

Answer 1

Simple answer, do not crack your back! Reason I was able to do this for many year and gained excellent relief. Now the Disc has prolapsed and it hitting the nerve roots, not nice, pain extreme.