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 3 of 18 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Rotate Row Start in a shallow squat, holding the weight in your right hand. Pull your elbow back, squeezing your right shoulder blade toward your spine while you twist to the right. This completes one rep. Previous Next Start Slideshow Fitness TipsBack ExercisesArm ExercisesStrength TrainingWorkouts