How can I use my staircase at home for working out?

"A set of stairs can be an excellent workout tool. Some athletes get in shape by running stairs in stadiums, but a household staircase can be just as effective."

Read the full article: http://www.theglobeandmail.com/life/health/ask-a-health-expert/ask-a-trainer/how-can-i-use-my-staircase-at-home-for-working-out/article1947908/