Gymnastik- och idrottshögskolan, GIH

Endre søk
RefereraExporteraLink to record
Permanent link

Direct link
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Trunk muscle activation at the initiation and breaking of bilateral arm flexion movements of different amplitudes
Gymnastik- och idrottshögskolan, GIH, Institutionen för idrotts- och hälsovetenskap, Laboratoriet för biomekanik och motorisk kontroll (BMC). Örebro universitet.
Gymnastik- och idrottshögskolan, GIH, Institutionen för idrotts- och hälsovetenskap, Laboratoriet för biomekanik och motorisk kontroll (BMC).
Gymnastik- och idrottshögskolan, GIH, Institutionen för idrotts- och hälsovetenskap, Laboratoriet för biomekanik och motorisk kontroll (BMC).
2011 (engelsk)Manuskript (preprint) (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
2011.
HSV kategori
Forskningsprogram
Medicin/Teknik
Identifikatorer
URN: urn:nbn:se:gih:diva-3760OAI: oai:DiVA.org:gih-3760DiVA, id: diva2:793422
Merknad

At the time of Martin Eriksson Crommert's dissertation the article was a manuscript (preprint).

Tilgjengelig fra: 2015-03-06 Laget: 2015-03-06 Sist oppdatert: 2015-03-06bibliografisk kontrollert
Inngår i avhandling
1. On the role of transversus abdominis in trunk motor control
Åpne denne publikasjonen i ny fane eller vindu >>On the role of transversus abdominis in trunk motor control
2011 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

All trunk muscles are important contributors to spine stability. However, the deepest abdominal muscle, transversus abdominis (TrA), with its characteristically horizontal fibre orientation seems to serve a unique function in trunk motor control. The main mechanical role of TrA is believed to be to contribute to vertebral alignment during imposed moments on the trunk, executed mainly via either regulating the pressure level within the abdominal cavity and/or transmit forces to the spine via the thoracolumbar fascia. However, the complete function of TrA and what factors affect its activation are still not fully understood. The purpose of the present thesis was to investigate the role of TrA in trunk motor control, specifically in relation to the presence or absence of postural demand on the trunk.

The timing and magnitude of TrA activation were investigated, in relation to other trunk muscles, with intramuscular fine-wire electrodes in different loading situations and body positions with varying postural demand.

In a side-lying position, with no postural demand of keeping the trunk upright, the activation of TrA was delayed relative the superficial abdominal muscles compared to previous experiments performed in a standing position. The timing and magnitude of activation of TrA did not depend upon the direction of perturbation. In the standing position, different static arm positions revealed that the activation of TrA co-varied with variations in the degree of postural demand on the trunk and also the imposed moments, regardless of moment direction. Finally, a study on rapid arm flexion movements confirmed that TrA is part of the pre-programmed anticipatory response in advance of known perturbations. The activation magnitude of TrA was the same regardless if the arm movement induced flexion or extension  moments on the trunk.

In conclusion, the activation of TrA is associated with the upright postural demand on the trunk and with balancing imposed moments acting on the spine, regardless their direction. The findings are in support of the beliefs that TrA act as a general, direction non specific, stabilizer of the lumbar spine.

sted, utgiver, år, opplag, sider
Örebro: Örebro universitet, 2011
Serie
Örebro Studies in Medicine, ISSN 1652-4063 ; 54
HSV kategori
Identifikatorer
urn:nbn:se:gih:diva-3757 (URN)978-91-7668-796-3 (ISBN)
Disputas
2011-05-20, Wilandersalen, Universitetssjukhuset, Örebro, 09:00 (engelsk)
Opponent
Veileder
Merknad

Avhandlingen i fulltext finns hos Örebro universitet, se länk.

Tilgjengelig fra: 2015-03-06 Laget: 2015-03-05 Sist oppdatert: 2015-03-06bibliografisk kontrollert

Open Access i DiVA

Fulltekst mangler i DiVA

Av organisasjonen

Søk utenfor DiVA

GoogleGoogle Scholar

urn-nbn

Altmetric

urn-nbn
Totalt: 305 treff
RefereraExporteraLink to record
Permanent link

Direct link
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf