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. The upper back is an ...

There are a number of ab exercises you can do at the gym to strengthen the entirety of your core. By using a cable machine, suspension trainer, or barbell, you can amplify simple ab exercises. Below ...

Upper body training has long been associated with bodybuilders and gym enthusiasts. In reality, however, its benefits extend far beyond building impressive arms or a wide chest. The best exercises for ...