When it comes to back pain, we have to start with a statistic that is, at the very least, sobering: 80% of adults have suffered, currently suffer, or will suffer from it at some stage in their lives.

Some people work on their core because they’re hoping for a 6-pack or a flat tummy. But having a sturdy core provides you with much more than a toned look. A strong core — which includes the back, ...