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A lower limb assessment tool for athletes at risk of developing patellar tendinopathy

Mann, Kerry J., Edwards, Suzi, Drinkwater, Eric J. and Bird, Stephen P. 2013, A lower limb assessment tool for athletes at risk of developing patellar tendinopathy, Medicine and science in sports and exercise, vol. 45, no. 3, pp. 527-533, doi: 10.1249/MSS.0b013e318275e0f2.

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Title A lower limb assessment tool for athletes at risk of developing patellar tendinopathy
Author(s) Mann, Kerry J.
Edwards, Suzi
Drinkwater, Eric J.
Bird, Stephen P.
Journal name Medicine and science in sports and exercise
Volume number 45
Issue number 3
Start page 527
End page 533
Total pages 7
Publisher Lippincott Williams & Wilkins
Place of publication Philadelphia, Pa.
Publication date 2013-03
ISSN 1530-0315
Keyword(s) knee injury
biomechanics
movement screening
prevention through prediction
landing
Summary PURPOSE: Patellar tendon abnormality (PTA) on diagnostic imaging is part of the diagnostic criteria for patellar tendinopathy. PTA and altered landing strategies are primary risk factors that increase the likelihood of asymptomatic athletes developing patellar tendinopathy. Therefore, the aim of this study was to examine the risk factors that are predictors of the presence and severity of a PTA in junior pre-elite athletes. METHODS: Ten junior pre-elite male basketball athletes with a PTA were matched with 10 athletes with normal patellar tendons. Participants had patellar tendon morphology, Victorian Institute of Sport Assessment (VISA) score, body composition, lower limb flexibility, and maximum vertical jump height measured before performing five successful stop-jump tasks. During each stop-jump task, both two-dimensional and three-dimensional kinematics and ground reaction forces were recorded. Multiple regression analyses were used to identify factors for estimating PTA presence and severity, and discriminate analysis was used to classify PTA presence. RESULTS: Sixty-eight percent of variance for presence of a PTA was accounted for by hip joint range of motion (ROM) and knee joint angle at initial foot-ground contact (IC) during stop-jump task and quadriceps flexibility, whereas hip joint ROM during stop-jump task and VISA score accounted for 62% of variance for PTA severity. Prediction of the presence of a PTA was achieved with 95% accuracy and 95% cross-validation. CONCLUSIONS: An easily implemented, reliable, and valid movement screening tool composed of three criteria enables coaches and/or clinicians to predict the presence and severity of a PTA in asymptomatic athletes. This enables identification of asymptomatic athletes at higher risk of developing patellar tendinopathy, which allows the development of effective preventative measures to aid in the reduction of patellar tendinopathy injury prevalence.
Language eng
DOI 10.1249/MSS.0b013e318275e0f2
Field of Research 1106 Human Movement And Sports Science
Socio Economic Objective 929999 Health not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2013, Lippincott Williams & Wilkins
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083022

Document type: Journal Article
Collection: School of Exercise and Nutrition Sciences
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