Popsugar Health & Fitness Bodyweight Exercises Exercises For Toned Shoulders Embrace Off-the-Shoulder Season With These 12 Exercises For Sexy Shoulders 18 June 2018 by Christina Stiehl View On One Page Photo 10 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 Plank and Straight-Arm Kickback Work your arms and abs together with this plank variation. Start in a plank position, holding a dumbbell in each hand. Open your feet wider than hip width for a stronger base of support. Lift your left arm behind you as high as you can. Bring your left arm back into plank to complete one rep. Do 10 to 15 reps with each arm. Use five- to 10-pound weights. Previous Next Start Slideshow Bodyweight ExercisesArm ExercisesWorkouts