Building your backside at the top of your to-do list for 2025? It can be tempting to skip leg day on the journey to build your biceps, back, and chest. But if you want a well-rounded physique it's ...

WHEN IT COMES to training your lower back, it doesn’t get more straightforward than back extensions. This old school classic is a bit more nuanced than you might think, however—and that makes ...

With 8 in 10 people reporting some lower back issue in their lives, and many of us taking things into our own hands to try and ease the discomfort, it's hardly surprising that physiotherapists spend ...

Understanding the functions of all the muscles in the back is complex, but training them does not have to be. The muscles of the back help us do everything from standing up straight and opening doors ...

According to experts, it takes just four core workouts to absolutely rip your top half to shreds, so you can get stronger.

Most of you know that training your upper body provides endless benefits, from improving your posture to increasing your metabolism. You might think of individually working your arms, shoulders, chest ...

Hip extension exercises build up our often neglected posterior chain—the muscles on the back of the body. Balancing your strength routine with moves that focus on your backside is important to ...

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 ...

Anyone interested in building lean muscle will love this method.

Several studies describe that in addition to the thoracic and lumbar muscles, the Latissimus dorsi (LD) and hip extensors contribute during trunk extension performance. [28,30–33] These findings ...