You won’t always have an hour to spend at the gym, and when time is tight, you need a workout that gets you in and out while ...

The best ab workouts don't need to happen on the floor. Try this all-standing dumbbell workout instead and see for yourself.

For the fastest way to join Tom's Guide Club enter your email below. We'll send you a confirmation and sign you up to our newsletter to keep you updated on all the latest news.

All you need is a weighted vest and dumbbells.