Original Research

Proposing a Patellar Tendinopathy Screening tool following a systematic review

Sanell Morgan, Frederik F. Coetzee
South African Journal of Physiotherapy | Vol 74, No 1 | a454 | DOI: https://doi.org/10.4102/sajp.v74i1.454 | © 2018 Sanell Morgan, Frederik Francois Coetzee | This work is licensed under CC Attribution 4.0
Submitted: 21 February 2018 | Published: 26 September 2018

About the author(s)

Sanell Morgan, Department of Physiotherapy, University of the Free State, South Africa
Frederik F. Coetzee, Department of Exercise and Sport Sciences, University of the Free State, South Africa


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Abstract

Background: Patellar tendinopathy (PT) is an overuse injury of the knee. The mechanism of injury is associated with repetitive stress on the patellar tendon of the knee as a result of explosive movement. Patellar tendinopathy is prevalent in all populations and is associated with intrinsic and extrinsic risk factors.

Objectives: Primarily, the objective was to report on the intrinsic and extrinsic risk factors for PT, entailing a systematic review of the literature; the secondary objective was to use these risk factors to compile a proposed PT screening tool from the review and standard outcome measures.

Method: A systematic review was undertaken according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Elimination criteria of the articles included duplicates, titles, abstracts and methodological quality. The evidence was collected, characterised with regard to the intrinsic and extrinsic risk factors and summarised descriptively.

Results: The search yielded 157 feasible articles prior to commencement of article elimination. Six articles were included with a mean methodological quality score of 69%. Eight intrinsic and five extrinsic risk factors were identified. These identified risk factors are all relevant to the pathology and formed the basis for a proposed PT screening tool. The Victorian Institute of Sports Assessment for Patellar Tendinopathy Questionnaire, Visual Analog Scale and the Pain Provocation Test are also included in the proposed test.

Conclusion: Intrinsic and extrinsic risk factors for PT were identified, and consequently, the proposed PT screening tool was formulated for possible future testing in appropriate studies.

Clinical implications: Prevention of PT through intrinsic and extrinsic risk factor identification, and implementation in the clinical setup as a possible outcome measurement tool with which to verify functional improvement in PT rehabilitation.


Keywords

patellar tendinopathy; intrinsic; extrinsic risk factors; systematic review

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