Does posture of the cervical spine influence dorsal neck muscle activity when lifting?

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Peolsson, AnneliLinköpings universitet,Avdelningen för fysioterapi,Hälsouniversitetet,University of Queensland, St Lucia, Brisbane, Australia (författare)

Does posture of the cervical spine influence dorsal neck muscle activity when lifting?

Artikel/kapitelEngelska2014

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Elsevier,2014
printrdacarrier

Nummerbeteckningar

LIBRIS-ID:oai:DiVA.org:umu-87419
https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-87419URI
https://doi.org/10.1016/j.math.2013.06.003DOI
https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-110530URI

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Språk:engelska
Sammanfattning på:engelska

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Previous studies have shown that postural orientations of the neck, such as flexed or forward head postures, are associated with heightened activity of the dorsal neck muscles. While these studies describe the impact of variations in neck posture alone, there is scant literature regarding the effect of neck posture on muscle activity when combined with upper limb activities such as lifting. The purpose of this study was to evaluate the effect of three different neck postures on the activity of the different layers of the dorsal neck muscles during a lifting task. Ultrasound measurements of dorsal neck muscle deformation were compared over two time points (rest, during lift) during a lifting task performed in three different neck postural conditions (neutral, flexed and forward head posture) in 21 healthy subjects. Data were analysed by post-process speckle tracking analysis. Results demonstrated significantly greater muscle deformation induced by flexed and forward head postures, compared to the neutral posture, for all dorsal neck muscles at rest (p < 0.05). Significant condition by time interactions associated with the lift was observed for four out of the five dorsal muscles (p < 0.02). These findings demonstrate that posture of the cervical spine influenced the level of muscle deformation not only at rest, but also when lifting. The findings of the study suggest that neck posture should be considered during the evaluation or design of lifting activities as it may contribute to excessive demands on dorsal neck muscles with potential detrimental consequences. (C) 2013 Elsevier Ltd. All rights reserved.

Ämnesord och genrebeteckningar

NATURVETENSKAP Kemi hsv//swe
NATURAL SCIENCES Chemical Sciences hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Hälsovetenskap hsv//swe
MEDICAL AND HEALTH SCIENCES Health Sciences hsv//eng
Cervical posture
Ultrasound
Lifting
Neck muscle

Biuppslag (personer, institutioner, konferenser, titlar ...)

Marstein, EivindUniversity of of Queensland, St Lucia, Brisbane, Australia (författare)
McNamara, TimothyUniversity of of Queensland, St Lucia, Brisbane, Australia (författare)
Nolan, DamienUniversity of of Queensland, St Lucia, Brisbane, Australia (författare)
Sjaaberg, EspenUniversity of of Queensland, St Lucia, Brisbane, Australia (författare)
Peolsson, MichaelUmeå universitet,Kemiska institutionen,Computational Life Science Cluster,Umeå University, Sweden(Swepub:liu)mikpe22 (författare)
Jull, GwendolenUniversity of of Queensland, St Lucia, Brisbane, Australia (författare)
O'Leary, ShaunUniversity of of Queensland, St Lucia, Brisbane, Australia; Royal Brisbane and Womens Hospital, Queensland Health, Australia (författare)
Linköpings universitetAvdelningen för fysioterapi (creator_code:org_t)

Sammanhörande titlar

Ingår i:Manual Therapy: Elsevier19:1, s. 32-361356-689X1532-2769

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Av författaren/redakt...: Peolsson, Anneli; Marstein, Eivind; McNamara, Timoth ...; Nolan, Damien; Sjaaberg, Espen; Peolsson, Michae ...; visa fler...; Jull, Gwendolen; O'Leary, Shaun; visa färre...

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Av lärosätet: Umeå universitet; Linköpings universitet

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