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Envihab Bed Rest Standard Measures: Bone Marker, Hematology, and Nutrition (ESA_BRSM_Bone_Hema)
Principal Investigator
Research Area:
Nutrition, Physical Fitness, and Rehabilitation Team
Renal, fluid and electrolyte physiology
Species Studied
Scientific Name: Homo sapiens Species: Human


Bone Marker, Hematology, and Nutrition is one of eleven International Bedrest Standard Measures conducted on healthy subjects at the :envihab facility in Cologne, Germany. Bone turnover markers suggest that bed rest increases bone degradation but has minimal impact on bone formation. General chemistries provide an overview of crew member health. The purpose of the standard measures project is to populate a repository with data that enables high-level monitoring of countermeasure effectiveness and meaningful interpretation of health and performance outcomes. These standard measures will support future, hypothesis-driven research that enables planetary missions by providing an optimized minimal set of measures captured from subjects. These measures will be available to other studies under data sharing agreements as well as undergo analysis to understand risk posture.

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Blood physiology
Hematologic tests

Data Information
Data Availability
Archiving in Progress. Some restricted access data exist for this experiment.
Data Sets+ Request data

25-hydroxyvitamin D
3-methyl histidine
Alanine transaminase (ALT)
Alkaline phosphates
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Mission/Study Information
Mission Launch/Start Date Landing/End Date Duration
VaPER 10/02/2017 12/04/2017 63 days

Additional Information
Managing NASA Center
Johnson Space Center (JSC)
Responsible NASA Representative
Institutional Support
National Aeronautics and Space Administration (NASA)
Alternate Experiment Name
Proposal Date
Proposal Source