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 ...

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 ...

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 ...

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, ...

While lower back exercises are far less glamorous than ab exercises, they are equally as essential. Weakness in the lower back is one of the leading causes of chronic back pain in adults, but if ...

You don’t need a gym to build muscle. These unique bicep and back workouts use minimal or no equipment to help you grow strength and size at home. There are several effective bicep and back workouts ...