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The exercise ball was developed in 1963 by Aquilino Cosani, the first ones were much smaller and used in treatments for infants and newborns. [wikipedia]
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"LaJean Lawson, a former professor of exercise science at Oregon State University, has studied breast motion since 1985 and now works as a consultant for companies like Nike to develop better sports bra designs" [http://www.slate.com/articles/technology/t
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Stretching is a form of physical exercise in which a specific muscle or tendon (or muscle group) is deliberately flexed or stretched in order to improve the muscle's felt elasticity and achieve comfortable muscle tone.
Today we learn how to retrieve. This is the basic exercise from which the useful "fetch" command can be derived.
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