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 6 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 21-Day Arm Challenge Previous Next Start Slideshow Dumbbell ExercisesArm WorkoutsArm ExercisesFitness ChallengesStrength TrainingWorkouts