Many of us want to get buff for aesthetic reasons, but building muscle helps health and longevity. It's a myth that you need to spend hours in the gym to build muscle. Exercises such as squats, ...

Add Yahoo as a preferred source to see more of our stories on Google. We all know that interval training cuts cardio time pretty much in half. But what about a straight-up lifting workout? How do you ...

Combining resistance training and cardio will get your heart pumping, even if you only have 15 or 20 minutes to spare. By Anna Maltby When it comes to exercise, there’s a difference between what’s ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. A strong back supports better ...

In January, model and endurance athlete Kori Sampson swept to victory in the debut season of Trainer Games—a six-episode reality competition to crown the next iFIT trainer. Described as the world’s ...

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 ...

Leoni Jesner is a fitness, health, and lifestyle writer who has contributed to Byrdie and LIVESTRONG.com, among other publications. She is also a personal trainer, mat Pilates instructor, and ...

Beginners love these moves, according to the trainer ...