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Breasts fly up and down a distance of up to 8 inches, study says
i shit you not
http://www.msnbc.msn.com/id/20725154/
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Exercise unleashes a bounce bras can't handle
Breasts fly up and down a distance of up to 8 inches, study says
Whether women are said to be flat-chested or big-busted, ordinary bras fall short when it comes to supporting bouncing breasts, a new study claims.
And during exercise, women's breasts bounce more than previously estimated, moving a vertical distance of up to around eight inches compared with a past maximum measurement of six inches.
The bouncing, in some cases with breasts weighing 20 pounds or more, can prove painful and damaging to the limited natural support system.
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Scurr recruited 70 women, including students and faculty from the University of Portsmouth, with bra sizes ranging from A-cup to extra-large (DD, E, FF, G, H, HH, J and JJ were included).
Each woman walked, jogged and ran while wearing different bra types. During the exercise, Scurr took biomechanical measurements, including the amount of breast movement in three directions: up-and-down, side-to-side and in-and-out.
During walking exercise, the women's breasts moved relatively the same amount in all directions. But when participants sped up to a jog or run, their breasts moved proportionally more in some directions than others: More than 50 percent of the total movement was in the up-down direction, 22 percent side-to-side and 27 percent in-and-out.
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