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. The upper back is an ...
Which back machines are best? There are many exercise machines designed to work the neck, arms and upper back, but there is one piece of equipment that focuses on your lower core muscles — a back ...
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Chin-ups: The upper-body power move fitness experts say builds real strength faster than machines
In gyms across the United States, trainers are rediscovering one of the most effective upper-body exercises ever created: chin-ups. While flashy machines and complicated routines dominate social media ...
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