Between classes, before a meeting, at the airport. This newly frustrating interval of down time that, 10-odd years ago, I capitalized on with youthful fervor.

While the primary goal is to build strength through exercises like squats, lunges, and rows, the quick transitions between ...

The walking workout is suitable for all levels of fitness and can be done indoors or outside, if you have somewhere you’re comfortable walking on the spot for 30 minutes with a video playing.