Children often ask me if astronauts are athletic. Does an astronaut need to be in perfect shape? I answer that astronauts do not need to be a superman, but they should be healthy and in good shape. In my case it is quite a challenge. I love to snack and sometimes I skip exercise. At least on Earth I do. In space it is a different story... Here on the ISS I come close to being a top athlete. Astronauts here have to exercise two hours every day and if we don’t, our muscles and bones get weaker. If I don’t do enough exercise my doctors and trainers at the European Astronaut Centre in Cologne send me a message to remind me. You can’t skip going to the gym in space... Read on...
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