You just need 2 dumbbells, 20 minutes and this 7-move dumbbell workout to sculpt your arms and abs

Woman lifting dumbbells.

If you’re looking for a fast way to get stronger and fitter, then circuit training with dumbbells is one of your best options.

This quick workout from fitness trainer Kat Boley is a great example of why. It uses three circuits of seven combination moves to train the whole upper body in just 20 minutes, with a focus on your abs and arms.