Gains are just around the corner.

The routine you need to fit effective training into the busiest days on your schedule.

Considering adding some new equipment to your workout routine? Kettlebells may look intimidating, but most routines and exercises that use the strength-training tool are not any harder or more ...

A Hyrox athlete shares the exact race-day moves to build endurance without burning out.

Personal trainers love the Russian twist exercise as it's great for beginners - and very easy to tell when you're doing it ...

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. While many types of ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. "Right to the core," "core values," and "hardcore." These little idioms highlight just how vital the concept of "core" is in our lives ...

Exercise is one of the most powerful tools for supporting health at any age. From short-term benefits like improved mood, energy and focus to long-term perks such as better heart health, stronger ...

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. While plenty of ...

A classic among abdominal exercises: the sit-up. Recently, a personal trainer told me that many people don’t know how to ...