Try This Arm Workout For Beginners, Designed by a Personal Trainer

This arm workout move combines a biceps curl and an overhead press. Together, it works both your biceps (the muscles on the front of your upper arm) and your shoulders while recruiting your core muscles, too.

• Stand with your feet directly under your hips, holding a dumbbell in each hand, palms facing forward. This is the starting position.
• Bring the weights up to your shoulders, performing a bicep curl.
• Stabilize your torso and keep your arms moving upward, performing an overhead press, rotating your arms so your palms face in toward each other.
• Lower your arms back to your shoulders and then to your sides, coming back to the starting position. That's one rep.
• Do 10 reps.