Butterfly sit-ups, V-sits, weighted sit-ups ... Here’s a sit-up variation that will blast your abs and work muscles across your entire body. Below, I cover what happened when I totaled 350 ...

get into a V-sit position. To do this, start by sitting on your exercise mat, and lean your torso backward until you feel your abs engage. Either leave your heels pressed into your exercise mat or ...

Known as “core compression” moves, the exercises pop up often on social media: L-sits, V-sits, single-leg raises, and others that target your abdominal muscles and hip flexors. They involve ...