I swapped sit-ups for this abs exercise, and it's made a huge difference

The three-legged plank to tiger curl strengthens your core, hips and shoulders.

Stop doing 100s of sit-ups to build strong, stable abs. McGill curl-ups are elite, and here's how to do them

McGill curl-ups, or modified curl-ups, are much friendlier for your lower back than moves like sit-ups, as your lower back is ...

Forget sit-ups and crunches — I added this three-legged plank and tiger curl combination to my ab workouts...

This move, as the name suggests, combines a three-legged plank (challenging enough on its own) with a tiger curl, which ...
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5 Chair Exercises That’ll Fire Up Your Abs

Most often, chairs are a tool for sedentary tasks, like working at a computer, eating dinner, or binging Netflix. But they can also be used to level up your core strength. Yes, really. In fact, doing ...

Stop doing 100s of sit-ups! Build strong, stable abs with McGill curl-ups

The modified McGill curl-up is a Pilates go-to for ultimate core control and strength.