The #A4waist challenge - in which women compare the size of their waists to the width of a standard A4 sheet of paper - started in China and prompted a backlash online.
Chinese TikTok (Douyin) challenges and body image concerns: a
Ask me how many of these I ACTUALLY use🫠😂 but better to prepared
A4 waist challenge & backlash - BBC News - 22nd March 2016
A4 waist challenge: Internet obsesses over people hiding waists
Viral trend sees teens measure their WAIST against A4 paper
The 'belly button challenge' is taking over the internet - but
A4 waist challenge a 'cult-like phenomenon' among teens who want
Go figure: 'A4' skinny waist challenge sees big, fat backlash from
Apparently, Being Skinny Enough To Hide Behind A Sheet Of A4 Paper
Apparently, Being Skinny Enough To Hide Behind A Sheet Of A4 Paper
Why would anyone take the A4 skinny waist challenge? - BBC News
Vicky Pattison says being skinny made her lonely as she opens up