If you're curious about starting a resistance training routine and not sure where to begin, start with these ...

Six-time Mr. Olympia Dorian Yates built his career on brutal efficiency, with a philosophy centered on low volume and maximum ...

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 ...

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 ...

Yoga can be an excellent way to improve your flexibility, a key component of mobility. It can also have a calming effect and ...

A trainer shares the exercise that can best treat lower back pain. Discover exactly how to do it and why it works.

A lot of back and leg pain can be traced to your hips, which are critical to almost every move you make. These mobility and strengthening exercises target your glutes, hamstrings, hip flexors and hip ...

Plus, exactly how to get results from whatever activity you love to do.