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. To start with, I used ...

You may love training arms, but we all know leg day is essential for building a stable physique to help us conquer everyday activities (plus, no one wants chicken legs). Our lower body houses some of ...

The bilateral squat is one of the most common leg exercises seen in strength training programs for runners, but it’s also commonly performed with less than ideal form. Simple put, a squat involves ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. The bilateral ...