A slimmer waist is a goal I hear from many clients — especially this time of year. While strengthening and toning the midsection is beneficial for many reasons, I always like to remind people that ...

In TODAY.com's Expert Tip of the Day, a trainer reveals her favorite exercise for a more defined waistline and strong core ...

ATLANTA - Dionne Pignatiello loves wearing corsets. "They're like putting on a hug from a friend," Pignatiello says. She's been wearing corsets since her 20's and began waist training a few years ago.

This is read by an automated voice. Please report any issues or inconsistencies here. Waist trainers and sauna suits are some of the most visible pieces of fitness gear on social media. Both promise ...