Popsugar Health & Fitness Workouts Best Exercises to Build Muscle in Your Arms Transform Your Upper Body With These 18 Strengthening Exercises 6 July 2018 by Tamara Pridgett View On One Page Photo 14 of 18 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 14 Circuit One: Push-Up and Rotate Begin in a plank position with your feet in line with your hips and your hands each holding a dumbbell. Lower your body toward the floor, then push through your arms, returning to plank. Twist to the left, reaching your left arm, dumbbell in hand, to the ceiling without letting your pelvis raise or lower. Return to plank position, bringing your hand back to the floor. Do another push-up and twist to the right. This completes one rep. Previous Next Start Slideshow Fitness TipsBack ExercisesArm ExercisesStrength TrainingWorkouts