This is an exercise to help get the infamous thigh gap. It helps your butt muscles too, it tones it all. For a beginner- 2 sets of 30 reps… this one really burns, so you have to have strong legs/butt muscles for it.
Get Ripped Fast! Best Arm Exercises With Weights: When you want to isolate specific muscle groups in the arms, using dumbbells is truly effective — get ready to feel the burn!, some great upperbody workouts .