Want to tone the lower abs? Replace crunches with this 1 exercise
The reverse crunch is a simple core exercise that targets those hard-to-hit lower abs — without straining your neck and back.
Crunches can help you get abs – but they do more than that.
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," ...
I tried the ‘hardest’ abs workout on YouTube — here’s what happened
Abs workouts do not need to be long to be very hard, but even so when a video popped up on my YouTube feed claiming to be the "hardest abs workout ever" and it was only 10 minutes long, I was suitably ...