Astronaut balancing act: Training to help explorers adapt to a return to gravity

Challenges associated with long-duration spaceflight do not end with landing. Astronauts often suffer from balance problems that lead to dizziness and difficulty standing, walking and turning corners when they return to normal gravity. Researchers are developing techniques, using a treadmill and simulated balance disturbances, to help astronauts adapt to a new gravity environment. The techniques could also have benefits for Earth-bound populations such as the elderly.

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