Lumbopelvic Muscle Changes Following Long-Duration Spaceflight.
astronaut
computed tomography
cosmonaut
microgravity
muscle atrophy
muscle attenuation
Journal
Frontiers in physiology
ISSN: 1664-042X
Titre abrégé: Front Physiol
Pays: Switzerland
ID NLM: 101549006
Informations de publication
Date de publication:
2019
2019
Historique:
received:
13
11
2018
accepted:
02
05
2019
entrez:
6
6
2019
pubmed:
6
6
2019
medline:
6
6
2019
Statut:
epublish
Résumé
Long-duration spaceflight has been shown to negatively affect the lumbopelvic muscles of crewmembers. Through analysis of computed tomography scans of crewmembers on 4- to 6-month missions equipped with the interim resistive exercise device, the structural deterioration of the psoas, quadratus lumborum, and paraspinal muscles was assessed. Computed tomography scans of 16 crewmembers were collected before and after long-duration spaceflight. The volume and attenuation of lumbar musculature at the L2 vertebral level were measured. Percent changes in the lumbopelvic muscle volume and attenuation (indicative of myosteatosis, or intermuscular fat infiltration) following spaceflight were calculated. Due to historical studies demonstrating only decreases in the muscles assessed, a one-sample
Identifiants
pubmed: 31164840
doi: 10.3389/fphys.2019.00627
pmc: PMC6536568
doi:
Types de publication
Journal Article
Langues
eng
Pagination
627Références
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