Skip to main content

Crunches



About this topic

The crunch is an exercise that strengthens the muscles in the belly. Crunches are different than sit-ups. With crunches, your lower back stays touching the ground. The belly muscles d...

Subscribe to Access Full Content

Sign Up for a 10-Day Free Trial

Sign up for a 10-day FREE Trial now and receive full access to all content.

 
×
×