Credit: I’ve been practicing Pilates for the past decade and credit it with keeping me injury-free as I’ve trained for six marathons and rebuilding my core and pelvic floor postpartum. Pilates ...

Both work your abs, but in different ways ...

Say goodbye to sit-ups and crunches, do this instead.

If you’re looking to tone your core, the bicycle crunch is a good addition to your workout. It has the benefits of the standard crunch, but it engages additional core muscles — working your internal ...

Common ab exercises like situps, crunches and leg raises are great foundational moves. But after performing them consistently for a while, they can start to become stale. That’s why I like to switch ...

Core strength testing has come a long way from the straight-legged, twisting sit-ups used before World War II. We've moved on to bent-knee sit-ups, to crunches and now to the plank pose or hanging ...

MLB legend Alex Rodriguez’s girlfriend, Jaclyn Cordeiro, shared a detailed clip of her functional core workout on Instagram ...