Tracy Anderson, who works with stars like Jennifer Aniston, Tracee Ellis Ross, and Madonna, demos a six minute abs workout for better digestion. Between travel and party plans, it can be hard to fit ...

Each day, thousands of women, myself included, engage in a ritual. We flail our arms like orchestra conductors. We wiggle our rib cages. We get down on all fours and raise our knees to our ears. We ...