Strong back muscles can help reduce pain, increase mobility, and improve posture. These at-home exercises can help you start ...

A classic strength-training move that has gained massive popularity in gyms and fitness communities for its powerful impact ...

About 80 percent of adults experience lower back pain at some point in their lifetimes, according to the National Institue of Neurological Disorders and Stroke. The double-edged sword? It's usually ...

Start on all fours. Extend your right arm in front of you and your left leg behind, actively reaching in opposite directions.

Lack of time is often the main reason people don't exercise regularly. But a type of interval workout recently popularized by ...

Welcome to Start TODAY. Sign up for our free Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Stepping up your cardio game is a great way to lose ...

Your fitness tracker might be telling you that you need 10,000 steps, 30 minutes of cardio or even an hour at the gym every ...

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 ...