The “stomach vacuum” may sound like a plastic surgery trend, but it's actually an abdominal exercise. And it's a popular one. The hashtag #stomachvacuum has more than 100 million views on TikTok, but ...
Feeling and looking your best is always in season, and having a strong core helps with both. A woman named Nikki (Instagram handle Nikki Gets Fit), who keeps sharing insights into her 72-pound weight ...