six pack

You'll need to do more than sit-ups for the ab definition you're looking for.
Danny Kavadlo has a mean-looking six-pack, and he wants to help you get one, too.
Instead of relying on crunches and other popular core routines, I’d like to introduce a few exercises that’ll not only get you ripped, but also increase performance and functionality.
How do we train to have a six-pack while avoiding potential spine damage? I take one of my favorite Tim Ferriss concepts and pair it with Pavel Tsatsouline to create a killer abdominal workout.
Training the abdominal muscles for a purely aesthetic goal is common in athletic training today, but is it actually useful?