A certified trainer shares 4 stair exercises that build leg power after 60, no gym machines needed, just a sturdy staircase.

These single-leg exercises can help you move more easily and avoid injury. These single-leg exercises can help you move more easily and avoid injury. Credit... Supported by By Jen Murphy Videos by ...

As blood flow increases to your body during exercise, your muscles enlarge to accommodate it. Although this helps power you through the task at hand, those swollen muscles can impinge on nerves and ...