If you can’t do crunches or sit-ups (because they will probably hurt
your back), then what should you be doing?
Watch my latest free video to find out…
It’s called, the “Evolution of Abs”. (But there’s no dancing, sorry!)

Do the right abs exercises to get rid of low back pain,
Craig Ballantyne, CSCS, MS
“With Craig Ballantyne’s Revolutionary Turbulence Training [...]