Most of you know that training your upper body provides endless benefits, from improving your posture to increasing your metabolism. You might think of individually working your arms, shoulders, chest ...

Compound exercises use multiple joints to perform a specific movement, while isolation exercises target a specific joint. Both types of exercises build muscle and burn calories; deciding which is best ...

In modern strength training, compound exercises often take center stage, but isolation exercises play a critical role in effective muscle building. These movements focus on a single muscle group, ...

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 ...