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 ...

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 ...

This exercise only targets the abdominal muscles, so it’s not a functional core workout. Crunches can be hard on your back and neck, and may not be safe for everyone. Share on Pinterest The crunch is ...

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I'm not a huge fan of crunches. The move is easy to perform incorrectly and doing so puts a lot of strain on the neck. Another reason I don't love them is that if you're short on time, they aren't the ...