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Kinematic analyses during stair descent in young women with patellofemoral pain.
Umeå Universitet.
Umeå Universitet.
Umeå Universitet; Sør-Trøndelag University College, Trondheim.
2009 (English)In: Clinical Biomechanics, ISSN 0268-0033, E-ISSN 1879-1271, Vol. 24, no 1, 88-94 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Compensatory movement strategies may develop in response to pain to avoid stress on the affected area. Patellofemoral pain is characterised by intermittent periods of pain and the present study addresses whether long-term pain leads to compensatory movement strategies that remain even when the pain is absent.

METHOD: Lower extremity kinematics in three dimensions was studied in stair descent in 17 women with patellofemoral and in 17 matched controls. A two-dimensional geometric model was constructed to normalise kinematic data for subjects with varying anthropometrics when negotiating stairs of fixed proportions.

RESULTS: There were minor differences in movement patterns between groups. Knee joint angular velocity in the stance leg at foot contact was lower and the movement trajectory tended to be jerkier in the patellofemoral group. The two-dimensional model showed greater plantar flexion in the swing leg in preparation for foot placement in the patellofemoral group.

INTERPRETATION: The results indicate that an altered stair descent strategy in the patellofemoral group may remain also in the absence of pain. The biomechanical interpretation presumes that the strategy is aimed to reduce knee joint loading by less knee joint moment and lower impact force.

Place, publisher, year, edition, pages
2009. Vol. 24, no 1, 88-94 p.
National Category
Physiotherapy
Identifiers
URN: urn:nbn:se:du-26536DOI: 10.1016/j.clinbiomech.2008.09.004PubMedID: 18986741OAI: oai:DiVA.org:du-26536DiVA: diva2:1155639
Available from: 2017-11-08 Created: 2017-11-08 Last updated: 2017-11-09Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • chicago-author-date
  • chicago-note-bibliography
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf