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dc.contributor.authorRyan, Michael
dc.contributor.authorGrau, Stefan
dc.contributor.authorKrauss, Inga
dc.contributor.authorMaiwald, Christian
dc.contributor.authorTaunton, Jack
dc.contributor.authorHorstmann, Thomas
dc.date.accessioned2017-05-03T16:06:29Z
dc.date.available2017-05-03T16:06:29Z
dc.date.issued2009
dc.date.modified2012-02-10T01:46:32Z
dc.identifier.issn10711007
dc.identifier.doi10.3113/FAI.2009.1190
dc.identifier.urihttp://hdl.handle.net/10072/41916
dc.description.abstractDespite anecdotal evidence linking overpronation to the onset of Achilles tendinopathy (AT), there is little conclusive evidence of a particular movement pattern of the lower extremity associated with this injury. Therefore, the objective of the present study was to observe differences in the kinematic profiles of healthy runners (CON) and runners with mid-portion Achilles tendinopathy (ATG). Materials and Methods: In this cross-sectional analysis, 48 male height and weight matched subjects were invited to participate: 27 with mid-portion Achilles tendon pain and 21 asymptomatic controls. Subjects underwent lower extremity clinical examination, then ran barefoot for 10-trials at a self-selected pace. A 3D motion capture system analysed tri-plane kinematic data for the lower extremity. Results: The ATG displayed significantly greater sub-talar joint eversion displacement during mid-stance of the running gait (13 ᠳ degrees vs. 11 ᠳ degrees; p = 0.04). Trends were observed such that the ATG showed lower peak dorsiflexion velocity (300 ᠳ9 degrees/s vs. 330 ᠵ9 degrees/s; p = 0.08) and greater overall frontal plane ankle joint range of motion (45 degrees ᠷ vs. 41 degrees ᠷ; p = 0.09). Conclusion: We found an increase in eversion displacement of the sub-talar joint in runners with Achilles mid-portion tendinopathy. Based on the findings from this study, there is evidence that devices used to control sub-talar eversion may be warranted in patients with Achilles mid-portion tendinopathy who demonstrate over-pronation during mid-stance of the running gait.
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.languageEnglish
dc.language.isoeng
dc.publisherData Trace Publishing Company
dc.publisher.placeUnited States
dc.relation.ispartofstudentpublicationN
dc.relation.ispartofpagefrom1190
dc.relation.ispartofpageto1195
dc.relation.ispartofissue12
dc.relation.ispartofjournalFoot and Ankle International
dc.relation.ispartofvolume30
dc.rights.retentionY
dc.subject.fieldofresearchBiomechanics
dc.subject.fieldofresearchSports Medicine
dc.subject.fieldofresearchClinical Sciences
dc.subject.fieldofresearchHuman Movement and Sports Sciences
dc.subject.fieldofresearchcode110601
dc.subject.fieldofresearchcode110604
dc.subject.fieldofresearchcode1103
dc.subject.fieldofresearchcode1106
dc.titleKinematic Analysis of Runners with Achilles Mid-Portion Tendinopathy
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.date.issued2009
gro.hasfulltextNo Full Text
gro.griffith.authorRyan, Michael


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