You know all about crunches and situps and planks, the typical ways to train your abs. But what if you could hone your six-pack without ever doing a dedicated abs exercise at all? Get ready for the ab ...

The half-kneeling position is even better, because it's almost impossible to swing dumbbells or lean back to hoist a weight. For those often challenged with "cheating" during an upper body exercise, ...

As one moves to a kneeling position, balance will become a little more difficult — and even more so in a standing position. Another key consideration for postural position is the available equipment.