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Physiological Variables of EVA Participants (LSAHNEWSV7_2_3)
Research Area:
Cardiovascular physiology
Clinical medicine
Pulmonary physiology
Species Studied
Scientific Name: Homo sapiens Species: Human

Placing a human into free space, outside the protective confines of the space vehicle, has become an important component of space travel and exploration. An Extravehicular Activity (EVA) is a protocol that requires the astronaut to leave the aircraft to perform various duties such as repairs, observations, and experiments. One of the most important aspects of preparing for an EVA is to determine the physical requirements of the participants. Although the astronaut corps consists of individuals with specific skills, not everyone may be suitable for EVA activity. It is important, therefore, to determine whether the astronauts who perform EVAs differ from the general astronaut population in particular physiological variables.

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National Aeronautics and Space Administration. Physiological Variables of EVA Participants. In: Longitudinal Study of Astronaut Health Newsletter. October 1998;7(2):2.

Extravehicular activity
Oxygen consumption
Body mass index
Heart rate
Body composition

Data Information
Data Availability
Archive is complete. All data sets are on the Web site.
Data Sets + View data.

Body fat
Body mass index (BMI)
Heart rate, maximum
VO2 max

Mission/Study Information
Mission Launch/Start Date Landing/End Date Duration
LSAH 01/01/1989 05/31/2010 21 years

Additional Information
Managing NASA Center
Johnson Space Center (JSC)
Responsible NASA Representative
Johnson Space Center LSDA Office
Project Manager: Jessica Keune
Institutional Support
National Aeronautics and Space Administration (NASA)