20 Minute Workout is a Canadian-produced aerobics-based television program that ran from 1983 to 1984, in which "a bevy of beautiful girls" demonstrated exercise on a rotating platform.

This 20-minute low-impact workout is made up entirely of exercises you do on the floor, so it’s a great way to strengthen the whole body while going easy on your joints.

This 20-minute ‘lazy’ workout from fitness ... You don’t need any kit for this though, as this 15-minute full-body workout shows, since it’s done just using bodyweight exercises.

No equipment (and very little space) necessary. Beginner workout Start with a few warm-up exercises, listed below. Do each one in order (which constitutes one set) and then repeat once more.