How Much Better Is a Fancy Sit-Up Bench Than the Plain Old Floor?

The floor is certainly much cheaper, but are you just getting what you pay for?

What’s the Magic Number of Crunches for Dreamboat Abs?

If it could be between 8 and 12, that would be perfect

The Shocking Origin Story of the Relaxacisor, the Fitness Device That Electrified Your Abs

Eschewing sit-ups for electrical impulses, the suitcase-like contraption vowed that it could deliver a tighter set of abs without you ever having to break a sweat

How the Switch from the Sit-Up to the Crunch Created the Ab-Scam Industry

In the 1990s, the prevailing wisdom around the sit-up changed and the crunch became en vogue, primarily for spinal health reasons. It also made the exercise easier — both to perform and for grifters to capitalize upon