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 ...

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. Ready for leg day?

Full-body routines are great and all, but there’s just something special about leg day. A solid leg workout plan gives you a chance to challenge some of your biggest and strongest muscles. After all, ...