Chris Hadfield—CSA Astronaut, ISS Commander and the human explainer for all things space related—answers another question with his latest video: how do astronauts exercise with that zero gravity and all? Turns out, they do a lot of the same stuff we do: running on a treadmill, deadlifts, squats and more. Only their exercises require being carefully tied down by a harness. Plus, astronauts have to work out 2 hours everyday to maintain bone and muscle mass.
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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/kbf2Einys78/all-the-tools-used-to-workout-in-space
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