The exercise is more popular than ever and has become synonymous with a clean-cut, social media-friendly lifestyle. But this boom has been followed by concerns over quality and problematic influencers. Katie Rosseinsky explores why some instructors are worried about where the industry is heading I n 2026, the ultimate exercise humblebrag isn’t a Peloton in your home office, or even a sub-three-and-a-half-hour marathon time . It’s a pilates habit . Stars such as Miley Cyrus, Dua Lipa and model