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dc.contributor.authorMaas, Huub
dc.contributor.authorNoort, Wendy
dc.contributor.authorBaan, Guus C.
dc.contributor.authorFinni, Taija
dc.date.accessioned2020-02-25T11:22:49Z
dc.date.available2020-02-25T11:22:49Z
dc.date.issued2020
dc.identifier.citationMaas, H., Noort, W., Baan, G. C., & Finni, T. (2020). Non-uniformity of displacement and strain within the Achilles tendon is affected by joint angle configuration and differential muscle loading. <i>Journal of Biomechanics</i>, <i>101</i>, Article 109634. <a href="https://doi.org/10.1016/j.jbiomech.2020.109634" target="_blank">https://doi.org/10.1016/j.jbiomech.2020.109634</a>
dc.identifier.otherCONVID_34394414
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/67959
dc.description.abstractAlthough the Achilles tendon (AT) has been studied for more than a century, a complete understanding of the mechanical and functional consequences of AT structural organization is currently lacking. The aim of this study was to assess how joint angle configuration affects subtendon displacement and strain of soleus (SOL) and lateral gastrocnemius (LG) muscles. Knots sutured onto SOL and LG subtendons of 12 Wistar rats, were videotaped to quantify displacements and the ankle torque was assessed for different isometric activation conditions (i.e., individual and simultaneous) of the triceps surae muscles. Changing ankle and knee joint angle affected the magnitude of displacement, relative displacement and strain of both SOL and LG subtendons. SOL subtendon behavior was not only affected by changes in ankle angle, but also by changes in knee angle. Displacement of SOL subtendon decreased (28-49%), but strain increased in response to knee extension. Independent of joint angle configuration, stimulation of any combination of the muscles typically resulted in displacements and strains of LG and SOL subtendons. Typically SOL displaced more but LG displaced more when stimulated at longer muscle lengths. Our results demonstrate that the distinct subtendons of the Achilles tendon can move and deform differently, but are not fully independent. Within the AT, there appears to be a precarious balance between sliding allowance and mechanical connectivity between subtendons.en
dc.format.mimetypeapplication/pdf
dc.languageeng
dc.language.isoeng
dc.publisherElsevier
dc.relation.ispartofseriesJournal of Biomechanics
dc.rightsCC BY-NC-ND 4.0
dc.subject.othershear
dc.subject.otherstrain
dc.subject.otherdisplacement
dc.subject.otherankle torque
dc.subject.otherAchilles tendon
dc.subject.othersoleus
dc.subject.othergastrocnemius
dc.titleNon-uniformity of displacement and strain within the Achilles tendon is affected by joint angle configuration and differential muscle loading
dc.typearticle
dc.identifier.urnURN:NBN:fi:jyu-202002252187
dc.contributor.laitosLiikuntatieteellinen tiedekuntafi
dc.contributor.laitosFaculty of Sport and Health Sciencesen
dc.contributor.oppiaineBiomekaniikkafi
dc.contributor.oppiaineBiomechanicsen
dc.type.urihttp://purl.org/eprint/type/JournalArticle
dc.description.reviewstatuspeerReviewed
dc.relation.issn0021-9290
dc.relation.volume101
dc.type.versionacceptedVersion
dc.rights.copyright
dc.rights.accesslevelopenAccessfi
dc.subject.ysokantajänne
dc.subject.ysonilkat
dc.subject.ysojänteet
dc.subject.ysorasitus
dc.subject.ysobiomekaniikka
dc.subject.ysolihakset
dc.format.contentfulltext
jyx.subject.urihttp://www.yso.fi/onto/yso/p18959
jyx.subject.urihttp://www.yso.fi/onto/yso/p24005
jyx.subject.urihttp://www.yso.fi/onto/yso/p11499
jyx.subject.urihttp://www.yso.fi/onto/yso/p23890
jyx.subject.urihttp://www.yso.fi/onto/yso/p20292
jyx.subject.urihttp://www.yso.fi/onto/yso/p2784
dc.rights.urlhttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.relation.doi10.1016/j.jbiomech.2020.109634
jyx.fundinginformationThis research was done during a visit from TF to HM, which was supported by a visitor’s travel grant from the Netherlands Organization for Scientific Research [040.11.519] and University of Jyväskylä.


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Except where otherwise noted, this item's license is described as CC BY-NC-ND 4.0