Participants sought for studies Do you want to help astronauts walk on the moon?
Join our study at Karolinska Institutet and help us investigate how the connection between the brain and muscles changes after 2 weeks of simulated microgravity.
The total time of the study, including familiarisation visits is 2 weeks. The study will take place from April 13-29, 2026.
How does the study work?
- During the study you will wear a special shoe and use crutches for 2 weeks, unloading one leg to simulate microgravity. Scroll for instruction video.
- Before and after the unloading period, you will undergo muscle tests and examinations at our laboratory.
- After the 2-week unloading period, you will have muscle samples taken from your legs.
Who can participate?
In order to participate you must:
- Be completely healthy
- Be between 18–60 years old
- Not be taking any regular medication or have any medical implants
- Be willing to unload one leg for 2 weeks
- Have a Swedish personnummer
- Be able to visit our laboratory at Karolinska University Hospital in Huddinge
Reimbursement
Upon completion of the study you will be compensated with 3500 SEK (before taxes).
If you have questions and/or want to participate in the study, please contact:
Mirko Mandić
Postdoctoral ResearcherPrincipal Investigator
Rodrigo Fernandez Gonzalo
Principal ResearcherProcessing of personal data
Your personal data is processed for the purposes of this study in accordance with GDPR (General Data Protection Regulation). The legal entity responsible for processing of your personal data is Karolinska Institutet. The Data Protection Officer can be reached at dataskyddsombud@ki.se. The data will be analyzed on a group level, handled confidentially and it will be stored in a secure database at Karolinska Institutet. You can terminate your participation in the study at any time.