Popsugar Fitness Arm Exercises At-Home Arm and Shoulder Exercises These Are the 42 Most Effective Exercises For Strong Arms and Sculpted Shoulders 3 June, 2020 by Jenny Sugar View On One Page Photo 2 of 42 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Plank With Shoulder Tap Begin in a plank variation with your feet slightly wider than your hips for added stability. Keeping your torso stable, bring your right hand to your left shoulder, then return your right hand back to the mat. Bring your left hand to your right shoulder, and return it to the mat. This counts as one rep. Previous Next Start Slideshow Arm Exercises