Is there anything I can do to build up my shoulder and arm muscles without lifting weights. I do warm-ups and workouts such as: trunk twists, toe touches, arm circles, calf stretches, push-ups, curl ups, quick sprints, side benders, and shoulder shapers. I also do cycling, walking and jumping. But I want to look built up through the top. and I don't wanna get it through lifting weights. Is there another way? Thanks!
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