Sit-ups are an obvious exercise to jump into ... Another bonus is this workout requires no equipment, just yourself and your ...

You don’t crunches, sit-ups and planks to increase your core strength and definition, just take this 12-move standing ...

Whether you have mobility issues and need an alternative, or you’re looking for a quick ab workout that you can do at your desk (just make sure you turn your camera off), this 10-minute chair ...

We’ve said it before and we’ll say it again — when it comes to building a rock-solid core, endless sit-ups and planks ... but let’s start with the basics. Here’s how to do a simple ...