ScienceHow astronauts work out in spaceTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceKai Steinecke09/15/2017September 15, 2017Exercising on Earth is hard, but doing so onboard the ISS is a much more complicated task. Luckily, NASA's astronauts got creative.https://p.dw.com/p/2k2WqAdvertisement