For years, Smith machines have littered the floor of commercial gyms. If you are unfamiliar with this piece of equipment or have never used one, it is simply a fixed barbell with steel rails and ...
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 over 10 years. July 22, 2021 Add as a ...
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