these shoes are being subtly promoted as an adjunct to your workout, and they certainly may help a non body conscious person to improve the posture. but if you go and shell out $80 for shoes you will move around in them as much as possible. this is called incentive and very hard to prove otherwise. Someone who works out regularly will be pleased with their results and not feel the need to crank it up via$$$$. as for balance+posture, very high chances are you can find a yoga workout on your cable tivo direct tv etc to do a few times a week that are amazing. By the way, yoga and similar practices are done BAREFOOT! Keep up your research+common sense.

to breed their children, no more no less. This is without any opinion-pure biology. The only ground leveler since time itself is that a woman ALWAYS knows she is the mother of her child; the man, no matter how many "precautions" can never be as certain.

planking is a yoga pose and I am guessing it has been around since the serious practice in Hindi since antiquity. the marriage of facebook, photography and a sacred physical religious practice leads me to ponder the endless mysteries involved in taking these things to their lowest potential; perhaps the question should be WHY?