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 ...

In the latest installment of Start TODAY, fitness instructor Savannah Simon demonstrates how to kick some basic exercises up a notch to make them effective and fun including butt kicks, arm pulls, ...

Defining your goal and performing each exercise correctly can make the difference between real progress and staying stuck at the gym.

Calisthenics are exercises that rely on body weight for resistance. They allow for the development of strength, endurance, flexibility, and coordination. Calisthenics were developed in ancient Greece ...