All these workouts you can do at home with no extra equipment. Each of these instructors have dozens of videos to help you get fit.
Very simple way to get going...even when you do not feel like it.
Great workout in 20 minutes.
More demanding workout.
Great for beginners....but also a demanding workout
When you do not have much time...or you can two or three in a row.
Another short, sweet and demanding workout.
Two studies suggest the sweet spot for longevity lies around 7,000 to 8,000 daily steps or about 30 to 45 minutes of exercise most days. Read more here.