Thought you had time to workout, but now you're trying to figure out Plan B? Here are a bunch of great ideas for 10 or 20 minute workouts that will work you hard, but not waste your time.

Why am I promoting this workout? It's simple to understand, easy to implement, and it will work if you work.

If you conduct a variety of large-scale interval-type exercise sessions (group exercise and boot camp-style) you need to be organized and have a pre-set plan.

Let's look at the origins of Tabata workouts, why and how they worked, and how other intervals may work for you too.

Aside from the physical and mental stress of your job, your schedule can make it hard to stick with a fitness routine. Here are workouts I use and suggest for a high payoff in a short time.