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Three dimensional preparatory trunk motion precedes asymmetrical upper limb movement.
Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.ORCID iD: 0000-0001-8668-8755
Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
2000 (English)In: Gait & Posture, ISSN 0966-6362, E-ISSN 1879-2219, Vol. 11, no 2, 92-101 p.Article in journal (Refereed) Published
Abstract [en]

Three-dimensional trunk motion, trunk muscle electromyography and intra-abdominal pressure were evaluated to investigate the preparatory control of the trunk associated with voluntary unilateral upper limb movement. The directions of angular motion produced by moments reactive to limb movement in each direction were predicted using a three-dimensional model of the body. Preparatory motion of the trunk occurred in three dimensions in the directions opposite to the reactive moments. Electromyographic recordings from the superficial trunk muscles were consistent with preparatory trunk motion. However, activation of transversus abdominis was inconsistent with control of direction-specific moments acting on the trunk. The results provide evidence that anticipatory postural adjustments result in movements and not simple rigidification of the trunk.

Place, publisher, year, edition, pages
2000. Vol. 11, no 2, 92-101 p.
Identifiers
URN: urn:nbn:se:gih:diva-806PubMedID: 10899662OAI: oai:DiVA.org:gih-806DiVA: diva2:174782
Available from: 2009-02-25 Created: 2009-02-24 Last updated: 2017-03-01Bibliographically approved

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