The plank, that trusty isometric exercise that's been a staple in countless ab routines, has long been the undisputed queen ...

Your core muscles wrap around your mid-body and support your spine, so strengthening them can sometimes alleviate back pain.

Join Hammer and Bionic on Blue Peter to help you be as strong as a Gladiator. Exercise powers up your muscles, boosts your energy, sharpens your brain, and gets you ready to tackle any challenge like ...