For fitness purposes we can roughly divide the body into three sections: the lower body (legs), the core (abs), and upper ...

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 ...

This no-equipment movement is helping people rebuild upper-back strength, improve posture, and feel stronger at home—fast.

No gym? No problem. Bodyweight exercises are an excellent way to train your back muscles when your access to weights is limited or you’re looking for a way to change up your workouts. Using your body ...

Practically every movement you make involves your back in some way — bending, stretching, walking, sitting. A healthy back is key for maintaining balance and coordination, both during exercise and in ...