Power Drill

Jog slowly up the stairs, using the handrail for balance if necessary.How to do it Jog slowly up the stairs, using the handrail for balance if necessary. Next, run, rather than jog, and ascend two steps at a time. Repeat, and continue for 2 to 8 minutes, depending on how much time you have left for your workout.

What it does This exercise works almost all the lower extremity muscles. It improves coordination, balance and overall stamina.