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Differences in Knee Joint Stabilization Between Children and Adults and Between the Sexes
Linköping University, Department of Medical and Health Sciences, Division of Physiotherapy. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Center for Surgery, Orthopaedics and Cancer Treatment, Department of Orthopaedics in Linköping.ORCID iD: 0000-0002-1929-0605
Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium.
Linköping University, Department of Medical and Health Sciences, Division of Physiotherapy. Linköping University, Faculty of Health Sciences.ORCID iD: 0000-0003-3527-5488
2013 (English)In: American Journal of Sports Medicine, ISSN 0363-5465, E-ISSN 1552-3365, Vol. 41, no 3, 678-683 p.Article in journal (Refereed) Published
Abstract [en]

Background: Differences in knee joint stabilization between children and adults and between the sexes are not fully understood. Purpose: To compare the knee laxity and the dynamic tibial translation between (1) children and adults, (2) girls and boys, and (3) women and men. Study Design: Controlled laboratory study.

Methods: Sixty-seven children (aged 8-13 years) and 63 adults (aged 18-30 years) without previous knee injuries participated. Sagittal tibial translation was measured during the instrumented Lachman test at 90 N and 134 N (knee laxity) and during gait (dynamic translation). Tibial translation was recorded with an electrogoniometer.

Results: Knee laxity was greater in children than in adults (Lachman test at 90 N: 9.1 +/- 2.9 vs 7.3 +/- 2.7, respectively; P less than .001). In contrast, dynamic tibial translation during gait did not differ between children and adults. Girls and boys did not differ in knee laxity or maximum anterior tibial translation during gait, and men and women did not differ in knee laxity. Women had greater dynamic tibial translation during gait than men (7.8 +/- 2.7 vs 5.7 +/- 3.0, respectively; P = .004).

Conclusion: Children had greater knee laxity than adults, whereas the dynamic tibial translation did not differ. In adults, knee laxity did not differ between the sexes, but dynamic tibial translation was greater in women. Clinical Relevance: Children and men had less dynamic tibial translation during gait in proportion to their maximum knee laxity. The observed less dynamic tibial translation in children and adult men might be related to their reduced risk of sustaining an anterior cruciate ligament injury.

Place, publisher, year, edition, pages
Sage Publications, 2013. Vol. 41, no 3, 678-683 p.
Keyword [en]
knee joint laxity; dynamic stability; children; male; female
National Category
Orthopedics
Identifiers
URN: urn:nbn:se:liu:diva-96490DOI: 10.1177/0363546512473252ISI: 000315563200027OAI: oai:DiVA.org:liu-96490DiVA: diva2:642864
Available from: 2013-08-23 Created: 2013-08-20 Last updated: 2017-12-06Bibliographically approved

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Tagesson (Sonesson), SofiKvist, Joanna

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Division of PhysiotherapyFaculty of Health SciencesDepartment of Orthopaedics in Linköping
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