you can crack your back by bending your arms to your back from the sides, and in the middle of your back with your two fists push and it should crack
Because you have gas and other things. When you crack it it releases it. :)
Ask your doctor. It may indicate a problem in the early stages.
doshimata
Go to a chiropractor since you can hurt yourself like I did... between lower vertabrate I can't figure it out, if it doesn't heal I'll have to go to a doctor.i did not write the first part i am just...