MOST THINGS WE do are forward-facing. We walk forward, reach forward, bend forward—of course, because we primarily see in front of us. That’s caused us to put an emphasis on the aesthetics of the ...
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 ...
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