The 9 Best YouTube Ab Workouts With Dumbbells
9 Dumbbell Ab Workouts That'll Help You Build a Seriously Strong Core
3
This ten-minute workout goes fast and is challenging as heck. You'll do each move for 30 seconds with very little rest in between (pause if you need a breather!), but the upbeat playlist will keep you moving. Pay attention to the on-screen diagrams to see which muscles you're targeting with each move.