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Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for ...

From rows to squats and flys to presses, I’ve rounded up my favorite dumbbell exercises for every muscle group. Simple, beginner-friendly, and supremely effective, a set of dumbbells is an ideal way ...

Looking to boost strength and tone your arms, shoulders, chest, and back? An upper-body dumbbell workout is the way to do it ...