How do astronauts deal with an unreachable itch inside a pressurized space suit?
In short: When trapped inside a bulky, stiff space suit, astronauts cannot reach their own skin to scratch. This video explains the physical maneuvers they use to find relief when an itch strikes during a mission.
According to retired astronaut Clayton Anderson, the primary method for managing an itch on the body involves a technique described as shaking, rattling, and rolling. Because the suit is rigid and worn over a liquid cooling garment, astronauts must attempt to wiggle their bodies against these layers to stimulate the skin and alleviate the sensation.
This method is necessary because the design of the suit prevents the use of hands to reach any area of the body. While these movements are the only practical option available to an astronaut, their effectiveness depends entirely on the individual's ability to shift within the restrictive gear.
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Sources
- Summary by Intellect · source: How Do Astronauts Scratch an Itch When in Their Space Suits
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