During his stint at the International Space Station (ISS) Commander Chris Hadfield became a global celebrity on YouTube after posting numerous videos on how he completed various daily tasks at zero gravity. He recently did an interview with the LA Times, during which he explained how he lifted weights in space.

“I used the resistance exercise device on the ISS for an hour every day the entire time I was there. It looks like a universal gym. It has big pistons that have a vacuum on them. The beauty of it is that it is a consistent resistance the whole way through. You can do squats, bench press, overhead lifts, calf raises, curls and sit-ups,” he said. We unearthed this video of Hatfield explaining how he got his workout in:

The astronaut went on to say that by following his regime at the ISS he actually gained muscle mass and lost body fat whole maintaining his pre-mission weight. Though you might not need this advice unless you are rolling in cash and are to become one of the pioneering space tourists in coming years, this interview stoked out interest in everything space-fitness related. Here is another how-to on how to use the treadmill from astronaut Karen Nyberg.

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