ONFITNESS MAGAZINE / THE ARCHIVE
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Inside Astronaut Training: What Christina Koch Reveals About Human Performance
Astronaut Christina Koch reveals how spacewalking challenges the body and mind — from marathon-level exertion in a pressurized suit to the strength, endurance, recovery, and focus required to perform in microgravity.
Inside the Mind and Body of Astronaut Christina Koch: Fitness, Fear, and Spacewalking
As astronaut Christina Koch prepares for the Artemis II mission, she shares a rare look at the physical demands, mental discipline, and resilience required to perform in the extreme conditions of space.