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).
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