Joining a gym this January? Better kit yourself out with a proper sports bra then. Hitting the treadmill without one is not only uncomfortable (and slightly embarrassing) but puts you at risk of irreversible breast sagging to boot. Leading sports bra brand Shock Absorber has put together a poster demolishing such common sports bra myths as "there are muscles in the breast" and "small breasts do not need support" - click on the image to see it full size or read more here. Ready to get going? Shop Shock Absorber now.