Cited by 9Spaceflight effects on biologyBone health and osteoporosis researchEffects of Vibration on Health

The human skeletal system in weightlessness: A review of research data, hypotheses, and the possibility of predicting the state in long-term (Interplanetary) missions

Oganov, V. S., Bogomolov, V. V.·2011·Human Physiology

Abstract

The long-term research of human skeletal system during spaceflight on the orbital station Mir and International Space Station (ISS) was summarized. The amount of bone mass and body composition was measured using a noninvasive method, dual-energy X-ray absorbtiometry (DXA) or osteodensitometry. Theoretically expected loss of bone mass in tubular structures of the lower part of the body during space flight with a duration of five to seven months is described by the phenomenon of fast-developing but reversible osteopenia and is considered a manifestation of functional adaptation of bone tissue to the changing mechanical load on the skeleton. A high individual variability of changes and stability of individual nature of the ratio of bone mass changes in different segments of the skeleton independently of the type of orbital station has been demonstrated. A strict dependence of bone mass changes on the flight duration cannot be established, and there are no grounds for calculating the probability of reaching the critical level of demineralization for the duration of flight increased to 1.5–2 years. There is even less probability to predict changes in bone structure (quality), which, together with the loss of bone mass, determine the risk of fracture. The data indicating that the DXA method is insufficient for such prognosis are presented. The main areas of research that would optimize the development of the project of interplanetary mission in terms of preservation of the mechanical function of the skeleton are considered.

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Crossref · 10.1134/s0362119711070243

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Authors
Oganov, V. S., & Bogomolov, V. V.
Affiliations
Russian Academy of Sciences (RU)
Venue
Human Physiology
Published
2011-12
Volume
37
Issue
7
Pages
768-776
ISSN
  • 0131-1646 (ISSN-L)
  • 0362-1197
  • 1608-3164
OpenAlex
W2033858363
Cited by
9
References
15
Citations by year
2024: 2 · 2022: 1 · 2020: 3 · 2019: 2 · 2016: 1
FWCI
0.00
Type
journal article
Language
en
Open access
closed
Locations
Human Physiology (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Spaceflight effects on biology
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Bone health and osteoporosis research
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Effects of Vibration on Health
Keywords
spaceflight, microgravity, bone loss, osteopenia, bone demineralization, International Space Station, Mir orbital station, body composition, dual-energy X-ray absorptiometry, bone quality, fracture risk, interplanetary missions, flight time

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