Strength training is an important part of an exercise routine. Learn how muscles are made, which foods fuel a strong body, and how to get started.

Does a six-pack determine the strength and function of your core? Not necessarily. Here's what you need to know to get strong, functional abs — and maybe six-pack abs along the way.

On Sept. 4, that status will be permanently enshrined in showbiz history when she receives her very own star on the Hollywood ...