No matter which variations you follow, crunches have the advantage over sit-ups of being able to better target abdominal muscles. "Because the movement is smaller, you can control momentum more," ...

Leg raises are another great exercise to target those troublesome lower abs, which are tough to isolate otherwise. You don't ...

Crunches are great for strengthening and toning your core muscles, specifically the rectus abdominis (AKA your six-pack) and ...

With 7.6 million views on YouTube and the claim it’s the hardest abs workout ever in the title, I had to give this 9-minute ...

Keep your entire upper body on the ground ... It’s a variation on the standard crunch and will work your abs, but it’s much less likely that it will cause injury. In a reverse crunch, you ...

Place your hands by your temples, with your elbows pointing out to the side. Lift your left knee, and at the same time, bend ...

There’s a reason we think it’s a good idea to practise ab exercises and ab workouts ... lift your backside off the floor and lift your arms over your head as you perform a crunch and repeat. Lie with ...

This exercise works the ab and oblique muscles. A toe tap crunch adds an extra level to the traditional crunch by targeting the upper and lower abs. Lie flat on your back. Lift your arms and legs ...

The seated ab crunch provides a safer alternative for targeting ... bringing the knees as far toward the upper body as possible. The greater the bend at the knees, the easier.

These should be performed for 20–30 reps or until failure. The third exercise consists of weighted crunches targeting the upper abs. Options include stability ball crunches or weighted cable ...