Can cracking back everyday cause nerve damage and cause numbness in limbs and head?

Unlikely.: Cracking your back occasionally is perfectly safe. If done habitually however, you can have consequences. The problem is not with cracking itself, but with the pressure that you’re putting on the ligaments, tendons and soft tissues that make up your joints. These structures can wear out over time, producing pain and other potential problems within the spine. If you are having numbness, see a MD