In an age when free time could be an exhibit at a history museum, there's nothing worse than wasting precious minutes in such frustrating clock-crushers as traffic jams, being on hold, and toilet queues. Fortunately, when it comes to fitness, you can benefit from exercise sessions of any length, whether you have 10 minutes or 60 of them - but that's only if you know the best ways to maximise your time and organise your workouts. That's why we asked top fitness experts to help you figure out what to do when, depending on the open slots in your schedule. That way you can get the body you want in the time you have.

If you have:

10 minutes BUILD BASICS
20 minutes MAX OUT
30 Minutes BURN FAT
45 Minutes ADD EXTRAS
60 Minutes DO IT ALL