Space Marathon
Sidedoor
00:00
The Exergeny: A Way to Keep Your Muscles Toned
NASA gave astronauts a little piece of exercise equipment to help keep their muscles toned. The exergeny was something a business person would throw in their suitcase so they could exercise in a hotel room. In the 1990s, when the International Space Station launched, many astronauts were runners and wanted a treadmill on their space station. NASA created a treadmill that sits on a shock absorber, isolating the vibrations from the rest of the space station.
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