When it comes to resistance gym machines, the back extension is underrated. Just ask strength and conditioning coach Andy Vincent. When I hit him up for which machine he believes is most effective for ...

Add Yahoo as a preferred source to see more of our stories on Google. About 80 percent of adults experience lower back pain at some point in their lifetimes, according to the National Institue of ...

A broad, well-defined back is a cornerstone of any well-rounded physique. But that’s not the only reason to pump up your posterior—it’s also a critical way of improving posture, reducing back pain, ...

Arm day, leg day, ab day—these are the familiar pillars of strength training. But what about lower back day? Our lower backs are often overlooked, yet they're a crucial part of fitness. Many of us ...

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 ...

Is starting training again after a back injury a risky option? Not anymore. An upset back can’t stop you from becoming fit and strong. You can squat hard, bench hard, and even lift hard if you follow ...

The best strength-and-cardio combo ...

When it comes to gym machines, the leg press is a solid choice for isolating your lower body. As a compound exercise that hits multiple lower-body muscle groups at once, it's also a great way to work ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Side planks trains your ...