Ever notice the guys whose shirts seem to hang off their shoulders like a human coat rack? Those perfectly rounded, grapefruit-sized delts don’t just happen by chance or good genetics. Sure, DNA plays ...

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 ...

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

Trainer: I'm Begging Guys to Try These 5 Exercises for Delt Gains originally appeared on Men's Fitness. Broad shoulders aren’t built by accident, nor are they developed quickly. If you want capped ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! The back muscles are used in almost every movement — from ...

Working through controlled positions encourages a smoother motion of your shoulder joint, which can help you lift your arms ...

What it does: The dumbbell bench press is a compound exercise that builds strength and size in your pectoral (chest) muscles.

"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 ...

We spend hours hunched over phones and computer monitors day in and day out. It’s no surprise we have an epidemic of back pain. Unless you’ve herniated a disc in your lumbar spine, there's a good ...

Leoni Jesner is a fitness, health, and lifestyle writer who has contributed to Byrdie and LIVESTRONG.com, among other publications. She is also a personal trainer, mat Pilates instructor, and ...