My Favorite Cardio Workout: The 15/30/45

This one is simple, FAST, and effective. You'll burn significant amounts of calories before you even know it, you can do it on a bike, treadmill, outside, or ellipical, and it will never get boring. What could be better?

My Favorite.

my favorite cardioGive my favorite cardio workout a spin!

10 min. workout: The 15/30/45

2 min. warmup at any pace (it's a warm-up--don't go too fast--I usually do level 5 out of 20).

Now for a couple of definitions.

Sprint: Raise resistance and/or speed. For example, on a bike go up to level 15 and double the RPMS.

If you're crazy, go to 15 or even 20 minutes. But I don't suggest that :)

Don't do this workout if you are over age 50 and have not been cleared by a physican, or if you have a heart condition.

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