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 ...

Add Yahoo as a preferred source to see more of our stories on Google. "As a fitness culture, and in society in general, we're afraid of spinal flexion," where the lower back is flexed into a C-shape, ...

These muscles have a variety of different functions and help your body move in different angles and directions. This is why fitness facilities typically feature a number of machines (e.g., the lat ...

You need to match your upper body pushing exercises (push-ups, etc.) with pulling ones so that you build up a balanced and functional physique. These bodyweight back exercises allow you to do that, ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. WHEN IT COMES to training your lower back, it doesn't get more straightforward than back extensions. This old school classic is a ...