Weightless Workouts

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

Mir Treadmill


The Russian Mir space station had a treadmill on board that benefited both cosmonauts and U.S. guest astronauts. Here Shannon Lucid works out in 1996, while John Blaha, who was replacing her on the Mir crew, studies a daily planner.

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