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, ...

Stand with your feet hip-width apart and your core engaged. Place your hands lightly on your temples — remember, they should be resting, not pulling your neck during the exercise. Raise one foot off ...

You don't need a reformer to benefit from a Pilates workout; just try these six bodyweight exercises for core strength.