Microgravity and Hypergravity Induced by Parabolic Flight Differently Affect Lumbar Spinal Stiffness.
hypergravity
lumbar
microgravity
parabolic flight
spine
stiffness
Journal
Frontiers in physiology
ISSN: 1664-042X
Titre abrégé: Front Physiol
Pays: Switzerland
ID NLM: 101549006
Informations de publication
Date de publication:
2020
2020
Historique:
received:
15
05
2020
accepted:
17
08
2020
entrez:
28
9
2020
pubmed:
29
9
2020
medline:
29
9
2020
Statut:
epublish
Résumé
The objective of this study was to determine the response of the lumbar spinal motor control in different gravitational conditions. This was accomplished by measuring indicators of lumbar motor control, specifically lumbar spinal stiffness, activity of lumbar extensor and flexor muscles and lumbar curvature, in hypergravity and microgravity during parabolic flights. Three female and five male subjects participated in this study. The mean age was 35.5 years (standard deviation: 8.5 years). Spinal stiffness of the L3 vertebra was measured using impulse response; activity of the erector spinae, multifidi, transversus abdominis, and psoas muscles was recorded using surface electromyography; and lumbar curvature was measured using distance sensors mounted on the back-plate of a full-body harness. An effect of gravity condition on spinal stiffness, activity of all muscles assessed and lumbar curvature (
Identifiants
pubmed: 32982803
doi: 10.3389/fphys.2020.562557
pmc: PMC7492749
doi:
Types de publication
Journal Article
Langues
eng
Pagination
562557Informations de copyright
Copyright © 2020 Swanenburg, Langenfeld, Easthope, Meier, Ullrich and Schweinhardt.
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