This triple threat dumbbell workout targets your chest, arms and back for a complete upper body workout. Challenge yourself with a heavy pair of weights as you do reps of upper body exercises that will help sculpt lean arms and a muscular back.

This triple threat dumbbell workout targets your chest, arms and back for a complete upper body workout. Challenge yourself with a heavy pair of weights as you do reps of upper body exercises that will help sculpt lean arms and a muscular back.

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