Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

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 ...

When it comes to upper-body day vs lower-body day at the gym, everyone has a favorite, right? But whether you look forward to squats and deadlifts or push-ups and bicep curls, the key to a balanced, ...

Upper body resistance or strength training has a long list of benefits. It helps you boost muscle strength and endurance in your arms, back, chest, and shoulders. It also helps you burn calories, ...