March 29, 2024

All-Female Crew in Water-Tank Dry Immersion Spaceflight Study

In weightlessness, astronauts bodies lose muscle and bone density, eyes alter, fluids shift to the brain and more– our bodies adapted to life on Earth and are not developed for spaceflight. Finding methods to stay healthy in orbit is a large part of human spaceflight research. Credit: ESA– K. Oldenburg
All activities from leisure to hygiene are done within the constraints of immersion. Showering and transfer to other experiments are done outside of the tank while lying on their backs and with their head tilted 6 degrees down to lessen fluid shifts.

In weightlessness, astronauts bodies lose muscle and bone density, eyes alter, fluids shift to the brain and more– our bodies adjusted to life on Earth and are not designed for spaceflight. Discovering methods to stay healthy in orbit is a large part of human spaceflight research. Credit: ESA– K. Oldenburg
This month 20 females tucked themselves in a waterbed for five days as part of a dry immersion study to recreate a few of the impacts of spaceflight on the body. The campaign started on September 21, 2021, with the very first two topics at the Medes area center in Toulouse, France.
Volunteers set in containers comparable to tubs covered with water resistant fabric to keep them dry and evenly suspended in water. As a result, the body experiences supportlessness– something near to what astronauts feel while drifting on the International Space Station.
This is only the second time a dry immersion project accompanies all-female individuals, and it is a first for Europe. ESA decided to release the study, called Vivaldi, to resolve the gender space in science information.

Female volunteer in dry immersion research study. Credit: Medes
” There is practically no knowledge about the physiological and mental results on women in this research area. An all-female dry immersion research study will contribute to previous male campaigns ran in Europe and Russia,” states Angelique Van Ombergen, ESAs discipline lead for life sciences.
Volunteers will have limited motion in a tedious environment and experience changes in body fluids and mobility, in addition to in the perception of their own bodies. Outcomes might have fantastic possible to examine destructive effects of spaceflight and movement conditions for incapacitated and senior clients on Earth.
A day in a waterbed
Immersion starts when water covers the subject above the thorax, debilitated with legs and trunk covered with a cotton sheet. Just the arms and head stay complimentary outside the tarpaulin.
Volunteers invest nearly 24 hours a day in the immersion tank, restricting their motions as much as possible. Every day begins at 7 am with urine and blood samples, and it is filled with clinical procedures and measurements to study how the body adapts.
Getting ready for dry immersion. Credit: Medes
All activities from leisure to hygiene are done within the restraints of immersion. Just a little pillow is allowed during meals to relieve eating. Showering and transfer to other experiments are done outside of the tank while pushing their backs and with their head slanted 6 degrees to lessen fluid shifts.
Why dry immersion?
In weightlessness, astronauts bodies lose muscle and bone density, vision changes and fluids shift to the brain. Finding ways to stay healthy in orbit is a large part of human spaceflight research study.
The arise from this type of research do not just benefit astronauts however have implications for clients in the world with similar conditions and elderly people.
Dry immersion infographic. Credit: ESA