Accepted Manuscript Diagnostic accuracy of the EMG parameters associated with anterior knee pain in the diagnosis of patellofemoral pain syndrome Deisi Ferrari, MSc Heloyse Uliam Kuriki, PhD Cristiano Rocha da Silva, MSc Neri Alves, PhD Fábio Mícolis de Azevedo, PhD PII:

S0003-9993(14)00269-X

DOI:

10.1016/j.apmr.2014.03.028

Reference:

YAPMR 55799

To appear in:

ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION

Received Date: 24 March 2014 Accepted Date: 26 March 2014

Please cite this article as: Ferrari D, Kuriki HU, Rocha da Silva C, Alves N, Mícolis de Azevedo F, Diagnostic accuracy of the EMG parameters associated with anterior knee pain in the diagnosis of patellofemoral pain syndrome, ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION (2014), doi: 10.1016/j.apmr.2014.03.028. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

ACCEPTED MANUSCRIPT Diagnostic accuracy of the EMG in PFPS

Diagnostic accuracy of the EMG parameters associated with anterior knee pain

RI PT

in the diagnosis of patellofemoral pain syndrome

Deisi Ferrari1,2 MSc, Heloyse Uliam Kuriki1,2 PhD, Cristiano Rocha da Silva3 MSc,

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Univ. Estadual Paulista, School of Science and Technology, Physical Therapy

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Department, Presidente Prudente, Brazil 2

Univ. of São Paulo – Post-graduation Program Interunits Bioengineering, São Carlos,

Brazil 3

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Neri Alves1,2 PhD, Fábio Mícolis de Azevedo1PhD

Univ. of São Paulo – Neuroscience Program and Biomedical Engineering

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Acknowledgments

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Laboratory, Escola Politécnica, São Paulo, SP, Brazil

FAPESP – Fundação de Amparo à Pesquisa do Estado de São Paulo

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(2011/04808-7).

We certify that no party having a direct interest in the results of the research

supporting this article has or will confer a benefit on us or on any organization with which we are associated AND, if applicable, we certify that all financial and material support for this research and work are clearly identified in the title page of the manuscript (Deisi Ferrari, Heloyse Uliam Kuriki, Cristiano Rocha da Silva, Neri Alves, Fábio Mícolis de Azevedo)

ACCEPTED MANUSCRIPT * Corresponding author / requests for offprints.

Fábio Mícolis de Azevedo Rua Roberto Simonsen, 305

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Presidente Prudente – SP - Brazil Postal Code (CEP): 19060-900 5518996139152 / 551832295820

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EP

TE D

M AN U

SC

e-mail: [email protected]

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ACCEPTED MANUSCRIPT 1

Diagnostic accuracy of the EMG parameters associated with anterior knee pain in

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the diagnosis of patellofemoral pain syndrome

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Abstract

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Objective: To assess the diagnostic accuracy of the surface electromyographic (sEMG)

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parameters associated with referred anterior knee pain in diagnosing patellofemoral pain

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syndrome (PFPS).

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Design: Sensitivity and specificity analysis

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Setting: Physical rehabilitation center and laboratory of biomechanics and motor

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control.

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Participants: Twenty-nine pain free subjects and 22 PFPS subjects selected by

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convenience.

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Interventions: Not applicable.

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Main Outcome Measure: The diagnostic accuracy was calculated for sEMG parameter

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reliability, precision and ability to differentiate subjects with and without PFPS. The

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selected sEMG parameter associated with anterior knee pain was considered as an index

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test and was compared with the reference standard for the diagnosis of PFPS. Intraclass

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correlation coefficient (ICC), standard error of measurement (SEM), independent t-tests,

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sensitivity, specificity, negative and positive likelihood ratios (LR- and LR+) and

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negative and positive predictive values (NPV and PPV) were used for the statistical

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analysis.

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Results: The medium frequency band (B2) parameter was reliable (ICC 0.80–0.90),

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precise (SEM 2.71–3.87 normalized unit) and able to differentiate subjects with and

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ACCEPTED MANUSCRIPT 33

without PFPS (p

Diagnostic accuracy of the electromyography parameters associated with anterior knee pain in the diagnosis of patellofemoral pain syndrome.

To assess the diagnostic accuracy of the surface electromyography (sEMG) parameters associated with referred anterior knee pain in diagnosing patellof...
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