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 so much focus on the upper body and core, it's easy to forget to tone your back muscles. After all, you want to look ...

Most people train their core with good intentions but poor results. Endless crunches, rushed planks, and random workouts ...

Arm haulers also engage the core, which helps stabilise the torso and prevent excessive arching through the lower back. ‘If ...

Today we're exploring an exercise that's often misunderstood but incredibly powerful: the weighted back extension. I'll break down what it does, who it's for, and how you can truly master it to build ...

For lower back and glute strength, master the art of hip hyperextensions—here’s how. Undrey/Getty Images Hip hyperextension exercises are an important, if often tricky, workout move that involve ...

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 ...