If you have problems with your back and cannot do the basic crunch, then the Roman chair reverse crunch is for you. This type of crunch does not exert much pressure on the back. This is an ab exercise ...

Gyms are a treasure trove of machines, and one day, you may just happen to realize that you haven't touched a good majority of the equipment at your own. When you stick with a routine that's worked ...

What it's supposed to do: Train abdominals and hip flexors. What it actually does: The crunching motion can put undue stress on the lower back when it is in a vulnerable rounded position. A better ...