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Current Selection Filters |
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| Risk 3: Injury to Joints and Intervertebral Structures |
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| Crosscutting Area : Human Health and Countermeasures |
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 Discipline : Bone Loss |
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| Description : The risk of fascia, tendon, and/or ligament overuse, and traumatic injury or joint dysfunction upon return to normal/partial gravity may increase due to prolonged mission duration. Hypogravity changes to intervertebral discs may increase the risk of rupture, with attendant back pain, and possible neurological complications. |
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Context / Risk Factors :
This risk may be influenced by age, loss of muscle strength, state of fitness and conditioning, prior history of injuries, or task related impact on joints and intervertebral structures.
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| Justification / Rationale : Hypogravity-induced changes to intervertebral disks and ligaments may increase risk of rupture and/or injury, with attendant back pain, and possible neurological complications. This risk is most significant for a Mars mission. |
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Risk Rating
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Current Countermeasures
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- Musculoskeletal Fitness
- Post-injury and Post-flight Rehabilitation
- Work injury avoidance patterns and design of equipment and tasks to reduce likelihood of injury
- Training
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Projected Countermeasures or Mitigations and Other Deliverables with their CRL/TRL scores
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- Improved fitness and conditioning regimens
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Research & Technology Questions
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Related Risks
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Important References
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Foldes I, Kern M, Szilagyi T, Oganov VS. Histology and histochemistry of intervertebral discs of rats participated in space flight. Acta Biol Hung. 1996;47(1-4):145-56.
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Foldes I, Szilagyi T, Rapcsak M, Velkey V, Oganov VS. Changes of lumbar vertebrae after Cosmos-1887 space flight. Physiologist. 1991 Feb;34(1 Suppl):S57-8.
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Hutton WC, Malko JA, Fajman WA. Lumbar disc volume measured by MRI: effects of bed rest, horizontal exercise, and vertical loading. Aviat Space Environ Med. 2003 Jan;74(1):73-8.
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LeBlanc AD, Evans HJ, Schneider VS, Wendt RE 3rd, Hedrick TD. Changes in intervertebral disc cross-sectional area with bed rest and space flight. Spine. 1994 Apr 1;19(7):812-7.
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Maynard JA. The effects of space flight on the composition of the intervertebral disc. Iowa Orthop J. 1994;14:125-33.
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Oganov VS, Cann C, Rakhmanov AS, Ternovoi SK. [Study of the musculoskeletal system of the spine in humans after long-term space flights by the method of computerized tomography] Kosm Biol Aviakosm Med. 1990 Jul-Aug;24(4):20-1. Russian.
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Pedrini-Mille A, Maynard JA, Durnova GN, Kaplansky AS, Pedrini VA, Chung CB, Fedler-Troester J. Effects of microgravity on the composition of the intervertebral disk. Appl Physiol. 1992 Aug;73(2 Suppl):26S-32S
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Stupakov GP, Mazurin YuV, Kazeikin VS, Moiseyev YB, Kaliakin VV. Destructive and adaptive processes in human vertebral column under altered gravitational potential. Physiologist. 1990 Feb;33(1 Suppl):S4-7. Review.
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