Inside the Extreme Workout Regimen of An Astronaut Stuck at the International Space StationAstronauts' fitness in space is critical; they follow a rigorous exercise regimen for physical health during long missions.
Astronauts could run round Wall of Death' to keep fit on moon, say scientistsTo combat muscle and bone loss in low gravity on the moon, researchers propose astronauts run on a lunar 'Wall of Death' multiple times a day.