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Bone loss in microgravity

Rittweger, Jörn and Frings-Meuthen, Petra (2013) Bone loss in microgravity. Physiology News (92), pp. 38-41. Physiological Society. ISSN 1476-7996

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Abstract

That bone is lost in space is now commonly known, but this recognition was quite a surprise when human spaceflight began. What is less well known, but no less true, is that the loss concentrates on the leg bones. Is it caused by fluid shifts, simple mechanics or space food? Loss of density in the leg bones can amount to a reduction of one-quarter within 6 months of spaceflight (Vico et al. 2000), a magnitude and rate that seem to outweigh the bone losses of 5–10% experienced by women after menopause. A substantial risk of fracture would thus arise for longterm missions were they done without adequate countermeasures. So, how could we try to prevent that kind of bone loss, or, as the physiologist would say, what is the cause of it?

Item URL in elib:https://elib.dlr.de/88483/
Document Type:Article
Title:Bone loss in microgravity
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Rittweger, Jörnjoern.rittweger (at) dlr.deUNSPECIFIED
Frings-Meuthen, PetraMEUNSPECIFIED
Date:2013
Journal or Publication Title:Physiology News
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 38-41
Publisher:Physiological Society
ISSN:1476-7996
Status:Published
Keywords:Bone loss; microgravity
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:other
DLR - Research area:Raumfahrt
DLR - Program:R - no assignment
DLR - Research theme (Project):R - no assignment
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Space Physiology
Deposited By: Becker, Christine
Deposited On:18 Mar 2014 09:42
Last Modified:31 Jul 2019 19:45

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