From doing music and movement in your pants and vest, to playing goal defence in an unflattering bib or hockey in a tight pair of gym knickers, is it really the kit that puts teenage girls off exercise?
Claudia Hammond asks a selection of teenagers about their sports kit and finds out what clothes their PE teachers had to wear.
Jenni is joined in the studio by Helen Haste, professor of psychology at Bath University and author of the research My Body My Self and Helen Donohue from the Women's Sport Foundation.
