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. Woman working out with lower back exercises Arm day, leg day, ab day—these are the familiar pillars of strength training. But what ...

Back-strengthening exercises are crucial for improving posture, building spine and shoulder stability and reducing the likelihood of developing posture-related injuries. A strong back can even improve ...

A strong core helps with posture, balance and stability, and can prevent and reduce back pain. To effectively strengthen your core you need to work the low back, glutes, pelvic floor and the ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images ...