The reverse crunch is JLo's go-to ab exercise. Here's why. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you've already nailed ...

Targeting both your inner and outer core muscles simultaneously, the reverse crunch is a golden move for runners – here's how to do them and why they should be a regular part of your workout regime ...

The reverse crunch is a simple core exercise that can strengthen your abdominals. It may be easier on your back than traditional crunches and sit-ups because your spine doesn’t flex as much.

Bonus: the reverse crunch is also a great mobility exercise, says Charlotte Frazier, trainer and studio manager at F45 Croydon.

Personal trainer Jeremy Ethier has a six pack, and in a video on his YouTube channel he says that there are two exercises he used to create it; the reverse crunch to target his lower abs, and ...