Astronauts begin outer space exercise regime

A new set of exercises will be tested out by U.S. astronauts to prepare them for the change in pressure they encounter on their spacewalk outside the International Space Station (ISS).

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Source: http://www.cosmosmagazine.com/news/4345/us-astronauts-begin-outerspace-exercise-regime

Cheryl Burke China Chow Chloƫ Sevigny Christina Aguilera Christina Applegate Christina DaRe Christina Milian