View post: I Ran in the R.A.D SYNTH Through Weeks of Tempo Training, Easy Miles, and Intervals. They Quickly Became My Go-To for One Type of Run “As a fitness culture, and in society in general, we’re ...

A strength coach shares five slow tempo exercises to rebuild lower back strength after 60, no heavy deadlifts required.

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 ...

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 ...