"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you're looking for an exercise that will amp up your abs routine, look no further. The Russian twist ...

This variation on the classic crunch adds more focus to the obliques through a twisting motion and challenges you to 'smash' ...

Incorporating a pull-up bar adds a new dimension to your ab routine. Hanging from the bar challenges your abs from a different angle while placing a bigger demand on your hands, shoulders, and lats. A ...

Bodybuilding legend Frank Zane explained why you should train core four times a week and revealed his top two exercises for ...

IF YOU ARE focused on building a strong, functional core, you need to know what muscles you're working so hard to sculpt. There are the six-pack muscles (the rectus abdominis) trained with spinal ...

Your core (that means both your back and abdominal muscles) is your source of power—seriously. It's also what helps stabilize your entire body, prevent low back pain, and impact your posture, helping ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

If I say ab workout, the chances are you’ll immediately think of crunches and sit-ups, yet research has shown time and time again that these exercises aren’t the best when it comes to sculpting a ...

This routine will rock you to your core. The director of an online boxing equipment retailer is sharing five exercises he claims will target belly fat and sculpt abs — planks with shoulder taps; dead ...

Core strength isn’t just about looking good at the beach – it’s the foundation of everyday movement and long-term health. For those spending hours at a desk, a strong midsection counteracts the ...

The bodyweight-based staple is a key foundation of the workouts celebrity trainer Jay Cardiello designs for clients 50 Cent and Kevin Love. The no-frills circuit isn't complicated, but you'll have to ...

One secret Taylor Momsen will tell is the one behind her rigorous fitness routine. As the Gossip Girl alum continues to make waves with her defined abs, she revealed the high intensity sport that’s ...