Roscosmos cosmonaut Anna Kikina practices CPR in microgravity
iss075e0088786 (Sept. 4, 2026) --- Roscosmos cosmonaut and Expedition 75 flight engineer Anna Kikina practices CPR in the weightless environment of the International Space Station. Performing chest compressions in microgravity requires securing the patient with restraints while the crew member braces their feet against a fixed surface to generate effective force. Credit: NASA/Anil Menon