Say goodbye to basic crunches and hello to three muscle-torching crunch variations to build core strength. For this workout, you just need one of the best yoga mats and a resistance band or loop ...

Of all the abdominal exercises, the basic crunch is one of the most effective. The key is to keep the movement slow and to focus on good technique. Lie on your back with your knees bent ...

Want a no-equipment abs exercise that can be done anywhere—but *so over* basic crunches? Enter: the V-up. Also known as a jackknife, the bodyweight move recruits the entire core and provides a ...

Get ready to trade in old-school crunches for some serious core-sculpting power moves. Basic crunches primarily target the upper abdominal muscles, often neglecting the deeper core muscles and ...