Get Rock-Hard Abs, Sculpted Arms, and a Butt Like J Lo's With These 21 Exercises

The bicep curl will help you get more defined biceps. It also works your deltoids, which are one of the shoulder muscles.

• Start by holding a dumbbell in each hand at the sides of your body.
• Keeping your elbows close to your sides, slowly raise the dumbbells to your chest.
• Moving with control, lower back to the starting position.
• This counts as one rep.