I'm a personal trainer — sculpt core muscle with 3 ab exercises and one dumbbell in just 15 minutes

Sculpt stronger abs using these moves

18 Weighted Ab Exercises

The best two-dumbbell workout - Men's Journal

I tried the Daisy Keech hourglass workout with 10 million views

This One Dumbbell Workout Is a Full-Body Exercise Routine

Which Sweat Program Is Best For Me? – SWEAT

Forget Russian twists — this 5-move ab workout torches your delts, abs and obliques in just 15 minutes

I'm a personal trainer — sculpt core muscle with 3 ab exercises and one dumbbell in just 15 minutes

30-Minute Dumbbell Strength Training (Video)

The 4-Minute Abs Workout You'll Love to Hate