I have been sorting through old recipe books, copying down the recipes that my family and I could afford and would actually make and eat. In one of the recipe books I came across this little tidbit:

I decided to give one a shot… stair climbing sounded like a nice place to start. Challenging, yet easy enough.

Yes… easy instructionally, but 15 minutes feels much longer when you are waiting to hear your timer ring and end your torment.  By the time my timer announced the end of 15 minutes, I was sweating! I was still moving, but had slowed down. Talk about a short, but effective cardio workout. Wow!