The Mathematically Perfect Girl
According to the telegraph, a team of mathematicians from Cambridge considered Jessica Alba to be mathematically perfect.
The academics found that it is the ratio between hips and waist that puts the sway into a woman’s walk - and the nearer that ratio is to 0.7, the better.
This ratio provides the body with the right torso strength to produce a more angular swing and bounce to the hips during the walking motion.
Watch the video of those hips swinging.