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. It’s easy to almost ...

Stop wasting time on crunches and start training your core to resist movement for maximum power and injury prevention.

Which back machines are best? There are many exercise machines designed to work the neck, arms and upper back, but there is one piece of equipment that focuses on your lower core muscles — a back ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You might love leg day (we do, too!), but you’re selling yourself short of the major health benefits ...

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, ...

Back pain can make you nervous about tying your shoes, let alone working out. However, while resting a painful back may help for a time, often getting back in the gym and moving makes it feel better, ...

Rebuild full-body strength after 60 with 5 home exercises a 35-year training veteran recommends. More effective than gym sessions, with daily results.