Weightless Workouts

A new fitness machine on the space station brings astronaut exercise into the 21st century

Rowing and the Dyna-Band


The space shuttle mid-deck, far more cramped than the International Space Station or even Skylab, still had room for stowable exercise equipment, like this rowing machine used by Rich Clifford during his STS-59 mission in 1994. Shuttle crews found other, more creative ways to exercise, according to Clifford. In a 2000 interview he recalled, "We took a large rubber band—called a Dyna-Band—that we used for exercise and stretched it across the airlock hatch on the mid-deck. Then we’d shoot ourselves down the tunnel. One of the crew members would shoot you down, and we had a competition to see who could do it without touching the tunnel walls. Nobody ever made it."

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