If you’re over the same old sit-ups and crunches, why not invite a kettlebell into your core training? Here’s a simple ...

They’re often lumped together as “ab exercises,” but crunches and situps aren’t the same thing — and choosing the right one can impact your results (and your spine). So, if your goal is stronger abs, ...

Fifty crunches a day really is nothing in the scheme of things. Each day I spent no more than a solid minute in the crunch ...