The Science of Your Sports Bra

If you’re still using a sports bra you bought years ago, now’s the time to invest in new ones. Why? Well, UK research shows that breasts can actually move up to 21cm (the height of a wine glass!) when we exercise. That’s a lot of movement ... and a lot of tension for your chest to withstand during your weekly fitness routine.

But that’s not all. “A lot of people don’t notice, but when you’re running or working out, your breasts don’t just move up and down,” explains Dr Joanna Wakefield-Scurr, a professor at the University of Portsmouth