Build Core Strength and Endurance Without Crunches

Crunch/core infomercial DVDs guarantee you will have the best abs of my life in less than 15 minutes for only $39.95 if you call in the next 30 minutes. These laughable ads feature fitness models who look amazing performing the crunch circuit, as the announcer says that you too could have this body. Do not buy into what they're selling. Here's what you should do instead.