Marcella Ferraz Pazzinatto

• Doctor of Physical Therapy
• PostDoc Position at La Trobe University

Background : Compression socks are a popular feature for runners and are widely advertised by the industry. Limited high-quality evidence has summarized the effects of compression socks during running. We aimed to investigate the effects of wearing compression socks compared with placebo or regular socks during running on physiological parameters,...

Background A mixed methods study which aimed to evaluate the influence of Good Life with osteoArthritis Denmark (GLA:D®) on physical activity participation, including perceived capability, barriers, and facilitators in people with knee osteoarthritis. Objective Quantify changes in physical activity participation at 3- and 12-months for people with...

Objective To compare the effectiveness of adjunct treatments combined with exercise to exercise alone in people with patellofemoral pain (PFP) and explore the quality of intervention descriptions in randomised controlled trials (RCTs). Design Systematic review. Data sources Seven databases were searched in November 2023. Eligibility RCTs that ev...

OBJECTIVE: To (i) investigate the goals and expectations of participants enrolled in a clinical trial of physiotherapist-led treatment for femoroacetabular impingement (FAI) syndrome and (ii) explore associations between their expectations and self-reported hip burden and kinesiophobia. METHODS: Data from 150 participants with FAI syndrome who part...

Introduction In‐person physiotherapy services are not readily available to all individuals with musculoskeletal conditions, especially those in rural regions or with time‐intensive responsibilities. The COVID‐19 pandemic highlighted that telehealth may facilitate access to, and continuity of care, yet many physiotherapists lack telehealth confidenc...

Objectives To investigate whether participants with knee osteoarthritis classified as ‘more’ or ‘less’ physically active at baseline differ in characteristics and/or outcomes at baseline and at 3 and 12 months following the commencement of an education and exercise‐therapy program. Methods Prospective cohort study using the GLA:D ® Australia regis...

Introduction: We aimed to evaluate the implementation of the Good Life with osteoArthritis in Denmark (GLA:D®) program via telehealth in Australia using Reach, Effectiveness, Adoption, Implementation, and Maintenance Qualitative Evaluation for Systematic Translation framework. Methods: Using a convergent mixed-methods design, semi-structured one...

Objective Describe the co-design process and learnings related to developing the web-based Translating Research Evidence and Knowledge (TREK) ‘My Knee’ education and self-management toolkit for people with knee osteoarthritis. Co-design process Stage (i): Understand and define; systematically reviewed education interventions in published trials; a...

Objective Investigate sex/gender differences in self-reported activity and knee-related outcomes after anterior cruciate ligament (ACL) injury. Design Systematic review with meta-analysis. Data sources Seven databases were searched in December 2021. Eligibility criteria Observational or interventional studies with self-reported activity (includi...

Context: To determine (1) whether physical function and fear of movement are prospectively associated with the risk of females developing patellofemoral pain (PFP) and (2) whether they change following development of PFP. Design: Prospective observational study. Methods: A total of 114 asymptomatic females (18-22 y old) completed assessment of...

Background Young adults with patellofemoral pain (PFP) have a high prevalence of overweight and obesity, which is associated with impaired lower limb function and muscle weakness. However, the impact of overweight and obesity in pain sensitivity has not been explored. Objectives We investigated the association between body fat, skeletal muscle mas...

Background There is no evidence whether kinesiophobia affects women and men with femoroacetabular impingement (FAI) syndrome differently. Objective To explore the association between kinesiophobia, quality of life (QoL), pain, and physical function in people with FAI syndrome, and to compare the level of kinesiophobia between women and men with FA...

Background Hip muscle weakness and altered hip biomechanics during walking are often observed in people with femoroacetabular impingement syndrome, although little is known about biomechanics during higher impact tasks. The aim of our study was to explore relationships between hip muscle strength and hip biomechanics during running in people with f...

Background Impaired knee extension biomechanics and spinal excitability have been reported in women with patellofemoral pain, but their relationship has not been explored. A significant relationship between them could indicate the need for investigating the potential benefits of disinhibitory interventions for women with patellofemoral pain. Thus,...

Background Physical therapists play a key role in providing first-line knee osteoarthritis treatments, including patient education and exercise therapy. Objectives Describe Australian physical therapists’ awareness of guidelines; reported practices; and beliefs about capability, opportunity, motivation, and evidence. Methods An online cross-secti...

Objective: To assess the relationship of individual article citations in the Sport Sciences field to (i) journal impact factor; (ii) each article's open access status; and (iii) Altmetric score components. Design: Cross-sectional. Methods: We searched the ISI Web of Knowledge InCites Journal Citation Reports database "Sport Sciences" category...

Purpose To compare body mass index (BMI), body fat, and skeletal muscle mass between (i) a mixed-sex non-athletic cohort of people with patellofemoral pain (PFP) and pain-free people, and (ii) a non-athletic cohort of people with PFP and pain-free people subgrouped by sex (i.e., men and women with PFP vs. pain-free men and women). Methods This cro...

Objective Evaluated the implementation of the Good Life with osteoArthritis from Denmark (GLA:D®) for knee osteoarthritis in Australia using the RE-AIM QuEST (Reach, Effectiveness, Adoption, Implementation, Maintenance Qualitative Evaluation for Systematic Translation) framework. Design Physiotherapists completed surveys before and after GLA:D® tr...

Background The Good Life with osteoArthritis from Denmark (GLA:D®) program incorporates guideline-based patient education and exercise-therapy for osteoarthritis to implement guidelines into practice. We evaluated the implementation of GLA:D® for knee osteoarthritis within Australian physiotherapy practice using the RE-AIM QuEST (Reach, Effectivene...

Purpose : To (i) investigate the proportion of overweight/obesity in a cohort of young adults with patellofemoral pain (PFP) and (ii) explore the association of body mass index (BMI), body fat, and lean mass with functional capacity and hip and knee strength in people with PFP. Methods : We included a mixed-sex sample of young adults (18−35 years...

Objectives To compare trunk and knee biomechanics of women with and without patellofemoral pain (PFP) and knee crepitus during stair ascent. Design Cross-sectional Setting Laboratory-based study. Participants 29 women with PFP and knee crepitus (PFPCrepitus); 28 women with PFP and no knee crepitus (PFPNOCrepitus); 17 pain-free women with knee cr...

Objectives: Investigate the association of fear of movement and (re)injury with clinical outcomes in women with patellofemoral pain (PFP). Methods: This cross-sectional study included 92 women with PFP who completed the TAMPA scale for kinesiophobia. The TAMPA score and its two subscales - activity avoidance and somatic focus were correlated wit...

Background Altered patellofemoral joint (PFJ) loading and elevated kinesiophobia are commonly reported in people with patellofemoral pain (PFP). However, the relative relationship of these physical‐psychological variables with pain and disability in people with PFP is unknown. Aim To explore the relationship of PFJ loading during stair ascent and...

Background Patellofemoral pain (PFP) impairs joint- and health-related quality of life and may be associated with knee osteoarthritis. We developed a novel, 2-phase, stepped-care approach for PFP, combining (1) self-directed web-based education and exercise therapy with (2) physiotherapist-supported education and exercise therapy. Physiotherapy ses...

Objective To evaluate the credibility and accuracy of PFP-specific web-based content. Design Cross-sectional evaluation of web-based information. Methods The study protocol was registered with PROSPERO (CRD42018088671). Two search engines (Google and Bing) were used to search for websites offering information about PFP. Two reviewers assessed the...

Objective: To evaluate the effect of education interventions compared with any type of comparator for managing patellofemoral pain (PFP). Design: Intervention systematic review. Literature search: Medline, Embase, CINAHL and Web of Science were searched for studies evaluating the effect of education on clinical and functional outcomes of peopl...

BACKGROUND Patellofemoral pain (PFP) impairs joint- and health-related quality of life and may be associated with knee osteoarthritis. We developed a novel, 2-phase, stepped-care approach for PFP, combining (1) self-directed web-based education and exercise therapy with (2) physiotherapist-supported education and exercise therapy. Physiotherapy ses...

Ferreira, AS, de Oliveira Silva, D, Ferrari, D, Magalhães, FH, Pappas, E, Briani, RV, Pazzinatto, MF, and de Azevedo, FM. Knee and hip isometric force steadiness are impaired in women with patellofemoral pain. J Strength Cond Res XX(X): 000-000, 2019-The purposes were as follows: to compare knee extension and hip abduction force steadiness and maxi...

The aims of this study were to compare maximal muscle strength and rate of torque development (RTD) of knee extensor and hip abductor during isometric, concentric, and eccentric contractions between women with and without patellofemoral pain (PFP). Thirty-eight women with PFP (PFPG) and 38 pain-free women (CG) participated in this study. Isometric,...

Background: Evidence indicates the presence of both kinesiophobia and knee extension strength deficits in women with patellofemoral pain (PFP). Both impairments may contribute to apparent compensatory gait patterns including reduced cadence and peak knee flexion during stair negotiation. Research question: Is kinesiophobia or knee extension strengt...

Background: Crepitus is a common clinical feature of knee osteoarthritis. However, the importance of crepitus in the overall clinical presentation of individuals with knee osteoarthritis is unknown. Objective(s): (A) To compare function, pain and quality of life between individuals with knee osteoarthritis with and without crepitus; (B) to compa...

Objectives: (i) To compare kinesiophobia, pain catastrophism and objective function between women with patellofemoral pain (PFP) and pain-free; (ii) to investigate the association of kinesiophobia and pain catastrophism with objetive function in women with PFP. Design: Case-control. Setting: Laboratory-based. Participants: Fifty-five women with PFP...

Background: Increased external knee abduction moment has been proposed as a risk factor for patellofemoral pain. This alteration is thought to be associated with elevated patellofemoral joint reaction force and stress, however these relationships remain poorly explored. Therefore, this study aimed at comparing knee abduction moment parameters (pea...

Objective(s): To investigate whether the presence of knee crepitus is associated with the occurrence of total knee replacement (TKR), quality of life and deficits in physical function at long-term. Methods: Setting - This observational study uses longitudinal data (up to 4-year follow-up) from the Osteoarthritis Initiative (OAI). Participants -...

Objective: (s): The aim of this study was threefold: (i) To compare the amplitude of patellar tendon reflex (T-reflex) between women with patellofemoral pain (PFP) and pain-free controls; (ii) To compare the amplitude of vastus medialis Hoffmann reflex (VM H-reflex) between women with PFP and pain-free controls; (iii) To investigate the associatio...

Objectives: (i) To assess the reliability of knee crepitus measures, (ii) to investigate the association between knee crepitus and PFP; (iii) to investigate the relationship between knee crepitus with self-reported function, physical activity and pain. Design: Cross-sectional. Setting: Laboratory-based study. Participants: 165 women with PFP...

Background: The etiology of patellofemoral pain (PFP) is thought to be the result of increased patellofemoral joint (PFJ) load and aberrant lower extremity mechanics, including altered vertical ground reaction forces (VGRF). However, few studies have investigated the association between an increase in pain and VGRF loading rates in the context of...

Objective To systematically review evidence of primary outcomes from randomised controlled trials (RCTs) examining the effect of treatment strategies on quality of life (QoL) or psychosocial factors in individuals with knee osteoarthritis (OA). Design Systematic review with meta-analysis. Data sources Medline, Embase, SPORTDiscus, the Cumulative...

Background: Patellofemoral pain (PFP) has been linked to increased patellofemoral joint stress as a result of excessive hip internal rotation. Lower hip strength and/or excessive rearfoot eversion have been used to explain such altered movement pattern; however, it is unknown which one is the best predictor of excessive hip internal rotation. Res...

Patellofemoral pain (PFP) is one of the most common conditions in orthopedic practice while recent evidence has suggested that it may be a predisposing factor to patellofemoral osteoarthritis. In addition to biomechanical alterations associated with the pathomechanisms underlying PFP, the investigation of neurophysiological alterations has provided...

This study investigated whether women with patellofemoral pain (PFP) present kinematic alterations in proximal, local, and distal factors simultaneously, and determined the association between the number of kinematic alterations, pain level, and functional status. A three-dimensional motion analysis system was used to analyze the peak hip adduction...

Background Physical activity levels seem to play a role in patellofemoral pain (PFP); however, few studies have been conducted to confirm this hypothesis. Objectives To determine the reported pain levels of women with and without PFP who maintain different levels of physical activity; to determine the capability of these levels to predict pain; an...

Introdução: O Traumatismo Cranioencefálico (TCE) é uma das principais causas de incapacidade funcional e alteração motora na população adulta. Objetivo: Avaliar o efeito da terapia com Wii no deslocamento do COP de hemiplégicos devido à sequela TCE. Métodos: Foram realizadas 10 sessões de treinamento com o Nintendo Wii Fit® em 10 indivíduos hemiplé...

The purpose of this study was to analyze the test-retest reliability of the median frequency (MDF) and root mean square (RMS) used to determine the onset of neuromuscular fatigue (NF) during sustained fatiguing contractions of the quadriceps. Eighteen healthy men were tested on two days, and electromyographic (EMG) signals were recorded from the va...

Objectives: To compare pressure pain threshold (PPT) around the knee (local hyperalgesia) and at a site remote to the knee (widespread hyperalgesia) between female runners with and without patellofemoral pain (PFP); and to evaluate the relationship between running volume, self-reported knee function and PPT measures. Design: Cross-sectional stud...

Objective: (s): To determine the association between the amplitude of vastus medialis (VM) Hoffmann reflex (H-reflex) and pain level, self-reported physical function and chronicity of pain in women with patellofemoral pain (PFP). Design: Cross-sectional study. Setting: Laboratory of biomechanics and motor control. Participants: Women diagnos...

Background: Several hypotheses have been proposed to explain the pathomechanisms underlying patellofemoral pain (PFP). Concurrent evaluation of lower limb mechanics in the same PFP population is needed to determine which may be more important to target during rehabilitation. This study aimed to investigate possible differences in rearfoot eversion...

Objective. Compare pressure pain thresholds (PPTs) at the knee and a site remote to the knee in female adults with patellofemoral pain (PFP) to pain-free controls before and after a patellofemoral joint (PFJ) loading protocol designed to aggravate symptoms. Design. Cross-sectional study Setting. Participants were recruited via advertisements in fit...

Patellofemoral pain (PFP) is common in athletes and physically active individuals and it is one of the most frequent knee disorders among adolescents. However, the impact of the severity of PFP symptoms on quality of life (QOL) has been barely investigated. Thus, we aimed to compare the level of PFP and the self-reported QOL between adolescent athl...

Background: Altered hip, knee and foot kinematics have been systematically observed in individuals with patellofemoral pain (PFP). However, less attention has been given to the altered dynamic postural control associated with PFP. Additionally, the relative contribution of kinematic impairments to the postural behavior of subjects with PFP remains...

Objective(s): To investigate whether vastus medialis (VM) H-reflexes differ based on the presence or absence of patellofemoral pain (PFP). An additional objective was to assess the capability of VM H-reflex measurements in discriminating accurately between females with and without PFP. Design: Cross-sectional study. Setting: Laboratory of biom...

The aims of this study were to examine group differences in muscle activation onset of the vastus medialis (VM) in relation to the vastus lateralis (VL) and pain level during stair ascent in females with patellofemoral pain (PFP) who maintain high and moderate levels of physical activity; to determine the association between physical activity level...

Deslocamento do disco intervertebral; Artrodese; Ortopedia.

Background: The elevated Q-angle seems to be one of the most suggested factors contributing to patellofemoral pain. Females with patellofemoral pain are often evaluated through static clinical tests in clinical practice. However, the adaptations seem to appear more frequently in dynamic conditions. Performing static vs. dynamic evaluations of wide...

This study aimed to evaluate the clinical trials' ability in Q angle measurement and subtalar pronation to predict the pain and functional limitations alluded by individuals with Patellofemoral Pain Syndrome (PFPS). Thirty-one individuals with PFPS were recruited for this study. The Anterior Knee Pain Scale questionnaire was used to identify the fu...

Individuals with patellofemoral pain (PFP) use different motor strategies during unipodal support in stair climbing activities, which may be assessed by Vertical Ground Reaction Force parameters. Thus, the aims of this study were to investigate possible differences in first peak, valley, second peak and loading rate between recreational females ath...

Stair ascent is an activity that exacerbates symptoms of individuals with patellofemoral pain. The discomfort associated with this activity usually results in gait modification such as reduced knee flexion in an attempt to reduce pain. Although such compensatory strategy is a logical approach to decrease pain, it also reduces the normal active shoc...

The aim of this study was to evaluate the capability of Q angle and subtalar pronation clinical tests in predict pain and functional limitations reported by individuals with patellofemoral pain syndrome (PFPS). 31 individuals with PFPS were recruited for this study. The Anterior Knee Pain Scale questionnaire was applied to identify the functional l...

Resumo Introdução: A instabilidade crônica do tornozelo pode deslocar o tálus em re-lação ao calcâneo, e a manipulação articular é um tratamento comum para essa disfunção. Objetivo: Avaliar a cocontração dos músculos sóleo e tibial anterior após manipulação de tálus em jovens. Métodos: Dividiram-se 48 voluntários em três grupos: manipulado, placebo...

Reliability is essential to all aspects of the measure, as it shows the quality of the information and allows rational conclusions with regard to the data. There has been controversial results regarding the reliability of electromyo-graphic parameters assessed during stair ascent and descent in individuals with patellofemoral pain syndrome (PFPS)....

Introducao : A paralisia cerebral e definida como um disturbio permanente e variavel do movimento e da postura, devido a uma lesao nao progressiva do cerebro no periodo pre, peri ou pos-natal. O uso de orteses destaca-se como um recurso importante no processo de reabilitacao e tem por objetivos proteger a cicatrizacao de estruturas, manter ou promo...

AIMS: To investigate the difference between elderly women with and without concern about falls in mobility and vertical ground reaction force during stair descent. METHODS: The study included older women assisted in the Centre for Physical Rehabilitation of the Universidade Estadual do Oeste do Paraná, aged between 60 and 75 years, without neurolog...

Introduction:The most accessible and usual way for clinically diagnose lumbarand sacroiliac pain is the use of clinical orthopedic tests.Objective:To searchsupport standard values for reliability and diagnostic accuracy for assessmentof pain in the lumbar and sacroiliac joints.Methods:A systematic review in re-search databases such as PubMed, Embas...

Aims: To investigate the difference between elderly women with and without concern about falls in mobility and vertical ground reaction force during stair descent. Methods: The study included older women assisted in the Centre for Physical Rehabilitation of the Universidade Estadual do Oeste do Paraná, aged between 60 and 75 years, without neurolog...