How astronauts stay fit in the ISS - GIF

How astronauts stay fit in the ISS.

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Previously:

https://www.homemadetools.net/forum/...903#post156544
https://www.homemadetools.net/forum/...236#post150073
https://www.homemadetools.net/forum/...600#post132601
https://www.homemadetools.net/forum/...399#post116798
https://www.homemadetools.net/forum/...193#post115877

An interesting thing about this device and other exercise equipment on ISS is they can shake the whole station. This is a type of acceleration that introduces experimental error in some microgravity experiments.