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NASA astronaut and Expedition 74 flight engineer Chris Williams pedals on the exercise cycle inside the International Space Station’s Destiny laboratory module. Astronauts work out daily on the exercise cycle to maintain muscle, bone, and cardiovascular health in microgravity.

NASA astronaut Chris Williams pedals on the exercise cycle inside the Destiny laboratory module

iss074e0364911 (March 6, 2026) --- NASA astronaut and Expedition 74 flight engineer Chris Williams pedals on the exercise cycle inside the International Space Station’s Destiny laboratory module. Astronauts work out daily on the exercise cycle to maintain muscle, bone, and cardiovascular health in microgravity.

Image Credit: NASA/Jack Hathaway
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