Summer is right around the corner, and if you're looking for a challenge—and a six-pack—Jeff Cavaliere, C.S.C.S., of Athlean-X has you covered with an ab workout that’s built for all fitness levels.

If there’s one thing we’re collectively obsessed with, it’s getting abs. Even people who rarely hit the gym are constantly searching for the one exercise that’ll reveal a six-pack. We sip debloating ...