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Influence of pain on electromyographic parameters in subjects with patellofemoral pain syndrome during stair climbing: frequency and time domain

Grant number: 14/10839-0
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): April 01, 2015
Effective date (End): April 30, 2016
Field of knowledge:Health Sciences - Physiotherapy and Occupational Therapy
Acordo de Cooperação: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Fábio Mícolis de Azevedo
Grantee:Marcella Ferraz Pazzinatto
Host Institution: Faculdade de Ciências e Tecnologia (FCT). Universidade Estadual Paulista (UNESP). Campus de Presidente Prudente. Presidente Prudente , SP, Brazil
Associated scholarship(s):15/10631-3 - Does it matter that my knee clicks? a longitudinal study of functional decline based on the presence of CREPITUS: data from the osteoarthritis initiative, BE.EP.MS


The PFPS often affects athletes and sedentary females population causing anterior diffuse or retropatellar pain exacerbated during functional activities such as stair climbing and descent, sitting for a long time, squatting or kneeling, among others. Despite the high incidence and commitment that generates PFPS, the same etiologic factors have not yet clearly defined. It is believed that neuromotor control dysfunctions of the vastus medialis and vastus lateralis may occur and generate different amplitudes in the same instant or delayed in their activation contributes to the occurrence of the disease. In addition, studies show that due to the pain mechanism, motor control can be changed. However, this condition has distinct characteristics between patients with syndrome, which required the development of a protocol that would exacerbate this symptom in a standardized way. Thus it will be possible to develop research in order to assess whether the presence of pain influences the pattern of muscle activation. In this context, this project aims to analyze electromyographic parameters PFPS subjects following a exacerbation of symptoms protocol and compare them with healthy subjects. Furthermore, we intend to correlate electromyographic parameters with pain levels of those subjects. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
PAZZINATTO, MARCELLA FERRAZ; SILVA, DANILO DE OLIVEIRA; PRADELA, JULIANA; COURA, MAIRA BERGAMASCHI; BARTON, CHRISTIAN; DE AZEVEDO, FABIO MICOLIS. Local and widespread hyperalgesia in female runners with patellofemoral pain are influenced by running volume. JOURNAL OF SCIENCE AND MEDICINE IN SPORT, v. 20, n. 4, p. 362-367, . (14/24939-7, 15/15574-8, 14/10839-0)
PAZZINATTO, MARCELLA FERRAZ; SILVA, DANILO DE OLIVEIRA; FERREIRA, AMANDA SCHENATTO; WAITEMAN, MARINA CABRAL; PAPPAS, EVANGELOS; MAGALHAES, FERNANDO HENRIQUE; DE AZEVEDO, FABIO MICOLIS. Patellar Tendon Reflex and Vastus Medialis Hoffmann Reflex Are Down Regulated and Correlated in Women With Patellofemoral Pain. ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION, v. 100, n. 3, p. 514-519, . (14/10839-0, 16/19784-0, 16/50320-0, 15/10631-3)
PAZZINATTO, MARCELLA FERRAZ; SILVA, DANILO DE OLIVEIRA; BARTON, CHRISTIAN; RATHLEFF, MICHAEL SKOVDAL; BRIANI, RONALDO VALDIR; DE AZEVEDO, FABIO MICOLIS. Female Adults with Patellofemoral Pain Are Characterized by Widespread Hyperalgesia, Which Is Not Affected Immediately by Patellofemoral Joint Loading. PAIN MEDICINE, v. 17, n. 10, p. 1953-1961, . (14/24939-7, 15/11534-1, 14/10839-0)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
PAZZINATTO, Marcella Ferraz. Patellofemoral pain: a contribution considering pain aspects and influence on electromyographic parameters. 2016. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Ciências e Tecnologia. Presidente Prudente Presidente Prudente.

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