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      Avaliação funcional do movimento: incidência do valgo dinâmico do joelho em mulheres praticantes de musculação e sedentárias Translated title: Evaluación funcional del movimiento: incidencia del valgo dinámico de rodilla en mujeres practicantes de la musculación y sedentarias Translated title: Functional evaluation of the movement: incidence of dynamic knee valgus in bodybuilders and sedentary women

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          Abstract

          RESUMO A avaliação do movimento é importante e necessária para identificar os riscos de lesão possibilitando a elaboração de programas de exercícios preventivos e corretivos, visando a melhora do desempenho das atividades funcionais e o consequente bem-estar. O objetivo deste estudo foi analisar e comparar a incidência do valgo dinâmico do joelho em mulheres praticantes de musculação e mulheres sedentárias, e identificar os sintomas álgicos e o potencial de lesão associados a essa alteração biomecânica. Sessenta mulheres foram divididas em dois grupos: praticantes de musculação e sedentárias, com idade entre 18 e 30 anos. Os dados foram coletados utilizando-se o sistema Functional Movement Screen e foram submetidos a análises estatísticas descritiva e inferencial. O valgo dinâmico do joelho é apresentado por 60% das mulheres sedentárias, quando comparadas às mulheres praticantes de musculação (33,3%), demonstrando associação entre o valgo dinâmico e o sedentarismo (p<0,03). Não houve associação entre a dor e o valgo dinâmico do joelho (p>0,06) para ambos os grupos. Das mulheres sedentárias, 50,0% apresentaram escore FMS abaixo de seis pontos, representando alto risco de lesão. Conclui-se que mulheres sedentárias apresentam maior predisposição ao valgismo dinâmico do joelho, maior sintomatologia dolorosa e maior risco de lesão nos membros inferiores.

          Translated abstract

          RESUMEN La evaluación del movimiento se hace importante y necesaria para la identificación de los riesgos de lesión, posibilitando la elaboración de programas de ejercicios preventivos y correctivos, buscando la mejora del desempeño de las actividades funcionales y el consiguiente bienestar. El objetivo de este estudio fue analizar y comparar la incidencia del valgo dinámico de la rodilla en mujeres practicantes de musculación y mujeres sedentarias, e identificar los síntomas álgicos y el potencial de lesión asociados a esa alteración biomecánica. Sesenta mujeres fueron divididas en dos grupos: practicantes de musculación y sedentarias, con edad entre 18 y 30 años. Los datos fueron recolectados a través del sistema Functional Movement Screen y sometidos a análisis estadístico descriptivo e inferencial. El valgo dinámico de la rodilla fue presentado por el 60% de las mujeres sedentarias y por el 33,3% de las mujeres practicantes de musculación, demostrando asociación entre el valgo dinámico y el sedentarismo (p<0,03). En los dos grupos no hubo asociación entre el dolor y el valgo dinámico de la rodilla (p>0,06). De las mujeres sedentarias, el 50% presentó puntuación FMS menor que seis puntos, representando alto riesgo de lesión. Se concluye que las mujeres sedentarias presentan mayor predisposición al valgo dinámico de la rodilla, mayor sintomatología dolorosa y mayor riesgo de lesión en los miembros inferiores.

          Translated abstract

          ABSTRACT Movement evaluation is important and necessary to identify the risks of injury, enabling the elaboration of preventive and corrective exercise programs, aiming to improve the performance of functional activities and consequent well-being. This study aimed to analyze and compare the incidence of dynamic knee valgus in bodybuilders and sedentary women, as well as to identify the pain symptoms and the potential for injury associated with this biomechanical change. Sixty women were divided into two groups: bodybuilders and sedentary, aged 18 to 30. Data collection consisted of Functional Movement Screen (FMS) and the data were subjected to descriptive and inferential analysis. A total of 60% of sedentary women had dynamic knee valgus, with a predominance of bodybuilders (33.3%), showing an association between dynamic valgus and sedentary lifestyle (p<0.03). There was no association between pain and dynamic knee valgus (p>0.06) for both groups. 50.0% women and sedentary had a FMS score below six points, representing a high risk of injury. It is concluded that sedentary women are more predisposed to dynamic knee valgus, as well as greater pain symptomatology and greater risk of lower limbs injury.

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          Most cited references20

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          The influence of abnormal hip mechanics on knee injury: a biomechanical perspective.

          During the last decade, there has been a growing body of literature suggesting that proximal factors may play a contributory role with respect to knee injuries. A review of the biomechanical and clinical studies in this area indicated that impaired muscular control of the hip, pelvis, and trunk can affect tibiofemoral and patellofemoral joint kinematics and kinetics in multiple planes. In particular, there is evidence that motion impairments at the hip may underlie injuries such as anterior cruciate ligament tears, iliotibial band syndrome, and patellofemoral joint pain. In addition, the literature suggests that females may be more disposed to proximal influences than males. Based on the evidence presented as part of this clinical commentary, it can be argued that interventions which address proximal impairments may be beneficial for patients who present with various knee conditions. More specifically, a biomechanical argument can be made for the incorporation of pelvis and trunk stability, as well as dynamic hip joint control, into the design of knee rehabilitation programs. Aetiology/therapy, level 5.
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            The influence of altered lower-extremity kinematics on patellofemoral joint dysfunction: a theoretical perspective.

            Although patellofemoral pain (PFP) is recognized as being one of the most common disorders of the lower extremity, treatment guidelines and underlying rationales remain vague and controversial. The premise behind most treatment approaches is that PFP is the result of abnormal patellar tracking and/or patellar malalignment. Given as such, interventions typically focus on the joint itself and have traditionally included strengthening the vastus medialis oblique, taping, bracing, soft tissue mobilization, and patellar mobilization. More recently, it has been recognized that the patellofemoral joint and, therefore, PFP may be influenced by the interaction of the segments and joints of the lower extremity. In particular, abnormal motion of the tibia and femur in the transverse and frontal planes may have an effect on patellofemoral joint mechanics. With this in mind, interventions aimed at controlling hip and pelvic motion (proximal stability) and ankle/foot motion (distal stability) may be warranted and should be considered when treating persons with patellofemoral joint dysfunction. The purpose of this paper is to provide a biomechanical overview of how altered lower-extremity mechanics may influence the patellofemoral joint. By addressing these factors, better long-term treatment success and prevention may be achieved.
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              Trunk, pelvis, hip, and knee kinematics, hip strength, and gluteal muscle activation during a single-leg squat in males and females with and without patellofemoral pain syndrome.

              Controlled laboratory study using a cross-sectional design. To determine whether there are any differences between the sexes in trunk, pelvis, hip, and knee kinematics, hip strength, and gluteal muscle activation during the performance of a single-leg squat in individuals with patellofemoral pain syndrome (PFPS) and control participants. Though there is a greater incidence of PFPS in females, PFPS is also quite common in males. Trunk kinematics may affect hip and knee function; however, there is a lack of studies of the influence of the trunk in individuals with PFPS. Eighty subjects were distributed into 4 groups: females with PFPS, female controls, males with PFPS, and male controls. Trunk, pelvis, hip, and knee kinematics and gluteal muscle activation were evaluated during a single-leg squat. Hip abduction and external rotation eccentric strength was measured on an isokinetic dynamometer. Group differences were assessed using a 2-way multivariate analysis of variance (sex by PFPS status). Compared to controls, subjects with PFPS had greater ipsilateral trunk lean (mean ± SD, 9.3° ± 5.3° versus 6.7° ± 3.0°; P = .012), contralateral pelvic drop (10.3° ± 4.7° versus 7.4° ± 3.8°; P = .003), hip adduction (14.8° ± 7.8° versus 10.8° ± 5.6°; P<.0001), and knee abduction (9.2° ± 5.0° versus 5.8° ± 3.4°; P<.0001) when performing a single-leg squat. Subjects with PFPS also had 18% less hip abduction and 17% less hip external rotation strength. Compared to female controls, females with PFPS had more hip internal rotation (P<.05) and less muscle activation of the gluteus medius (P = .017) during the single-leg squat. Despite many similarities in findings for males and females with PFPS, there may be specific sex differences that warrant consideration in future studies and when clinically evaluating and treating females with PFPS.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                fp
                Fisioterapia e Pesquisa
                Fisioter. Pesqui.
                Universidade de São Paulo (São Paulo, SP, Brazil )
                1809-2950
                2316-9117
                June 2019
                : 26
                : 2
                : 120-126
                Affiliations
                [1] Campina Grande Paraíba orgnameUniversidade Estadual da Paraíba Brazil racklayne.r@ 123456gmail.com
                [4] Campina Grande Paraíba orgnameUniversidade Estadual da Paraíba Brazil windsor.jr@ 123456gmail.com
                [3] Campina Grande Paraíba orgnameUniversidade Estadual da Paraíba Brazil davasconcelos@ 123456yahoo.com.br
                [2] Campina Grande Paraíba orgnameUniversidade Estadual da Paraíba Brazil vitoriaquirino1@ 123456gmail.com
                Article
                S1809-29502019000200120
                10.1590/1809-2950/17017026022019
                a3a5b96d-07c1-42fc-977a-1f8c572c20d7

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 01 February 2018
                : 12 April 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 24, Pages: 7
                Product

                SciELO Brazil

                Categories
                Pesquisa Original

                Valgo de Joelho,Fisioterapia,Valgo de la Rodilla,Movimiento,Movimento,Physical Therapy Specialty,Knee Valgus,Movement

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