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NASA's Artemis II Uses Flywheel to Combat Astronaut Atrophy

4/10/2026

24 4 Full Breakdown

Summary

Story summary

NASA's Artemis II mission features a flywheel device to combat muscle and bone atrophy.
Astronaut Jeremy Hansen likens it to a rowing machine, enabling cardio and resistance workouts in Orion's confined space.
Exercise physiologist Jessica Scott says the flywheel can prevent physical decline, potentially matching gym-level results.
The device has not been tested for extended missions.

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Story summary

NASA's Artemis II mission features a flywheel device to combat muscle and bone atrophy.
Astronaut Jeremy Hansen likens it to a rowing machine, enabling cardio and resistance workouts in Orion's confined space.
Exercise physiologist Jessica Scott says the flywheel can prevent physical decline, potentially matching gym-level results.
The device has not been tested for extended missions.