Popsugar Health & Fitness Dumbbell Exercises 21-Day Arm Challenge Sculpt and Strengthen Your Arms With This 3-Week Dumbbell Challenge 8 April 2022 by Jenny Sugar View On One Page Photo 3 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 21-Day Arm Challenge Exercise 3: Overhead Shoulder Press Stand with your feet hip-distance apart, holding a dumbbell in each hand just above your shoulders, palms facing in. Straighten your arms above you. Bend your elbows, coming back to the starting position. This completes one rep. Previous Next Start Slideshow Dumbbell ExercisesArm WorkoutsArm ExercisesFitness ChallengesStrength TrainingWorkouts