FYI breasts move — a lot. Up and down, side to side, even back to front. And they can be really heavy. Try as they might, the women couldn't figure out how to make a bra that could stop the painful bounce. The "JogBra" was created in 1977 by Lisa Lindahl, Hinda Miller & Polly Smith when they sewed two jock straps together. The rest, as they say, is history.