The elbow-to-knee cross crunch works the abdominal muscles. It’s part of Hip Hop Abs, a high-energy workout that combines cardio hip hop dancing with targeted sculpting moves for your midsection. The ...

Certain core muscles can be difficult to target with normal planks and crunches. This lower ab and oblique workout hits them all. If your harder-to-hit core muscles had a campaign slogan, it would be ...

Bicycle crunches are a great exercise for building core strength in runners – and they are a fair bit harder than they look. Now, we don’t have to remind you of the importance of doing strength ...

While everyone likes the look of a sculpted midriff, strong abs are also about supporting your spine, improving posture, and protecting your lower back. The key isn’t endless crunches, but ...

Add Yahoo as a preferred source to see more of our stories on Google. Unlike regular crunches, which require lifting the upper body off the ground, reverse crunches involve lifting the hips and legs ...