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Id: biblio-1015954
Autor: Llorente D, Lorena; Soto R, Denisse; Reyes B, Sergio; Zuñiga U, Jorge.
Título: Impacto funcional y psicosocial del uso de prótesis de bajo costo en impresión 3D en amputado unilateral de antebrazo: estudio de un caso / Functional and psychosocial impact of the use of low cost 3D prosthesis in a subject with unilateral forearm amputation: case report
Fonte: Rehabil. integral (Impr.);1(14):16-21, jul. 2019. ilus, tab.
Idioma: es.
Resumo: Introducción: Los pacientes que presentan una amputación a nivel transradial cuentan con oferta reducida de dispositivos protésicos (gancho y mano cosmética). Postulamos que disponer de nuevos sistemas protésicos 3D de bajo costo y la experiencia de su uso, permitirá aumentar las opciones para mejorar funcionalidad, actividad y participación. Objetivo: Evaluar el impacto funcional y psicosocial del uso de mano protésica manufacturada con impresión 3D. Método: Se seleccionó un paciente Teletón con amputación transradial de antebrazo izquierdo nivel tercio medio, 15 años de edad, con consentimiento informado. Se tomó molde en yeso y confeccionó prótesis 3D fabricada en acrilonitrilo butadieno estireno (ABS) y ácido poli-láctico (PLA); el pulgar tiene dos articulaciones y los demás dedos tres articulaciones. La prótesis la constituyen también el antebrazo y muñeca. El usuario recibió cuatro sesiones de entrenamiento con la prótesis en el lapso de un mes. Las evaluaciones con pauta de funcionalidad de mano Bilan 400 points modificada, índice funcional de las extremidades superiores (UEFI) y escala del impacto psicosocial de la asistencia tecnológica (PIADS), se aplicaron previo al ingreso, a tres y once meses de seguimiento. Resultados: La funcionalidad de mano mostró un incremento de alrededor de 30% con ambos instrumentos. En medición PIADS, competencia, autoestima y adaptabilidad, variaron de ningún efecto de la asistencia tecnológica, hasta el máximo de 3 puntos para adaptabilidad en el seguimiento a 11 meses. Conclusión: Este estudio de caso destaca potenciales beneficios del uso de prótesis de extremidad superior en el desempeño funcional y calidad de vida.

Introduction: The range of prosthetic devices (hooks and cosmetic hands) is limited for transradial amputation patients. Having new low-cost 3D prosthetic systems available, as well as experience on how to use them, will increase the options for better functionality, activity and participation. Objective: To assess functional and psychosocial impact of the use of 3D printed prosthetic hand. Method: A 15 year-old Teleton patient was selected with a middle third transradial amputation of the left forearm; informed consent was obtained. A plaster mold was taken and a 3D prosthesis was made using acrylonitrile butadiene styrene (ABS) and polylactic acid (PLA); the thumb had two articulations and the other fingers had three articulations. The prosthesis comprised also forearm and wrist. The user attended four prosthetic training sessions in a month. Modified Bilan 400 points scale for hand functionality, upper extremity functional index (UEFI) and the psychosocial impact of assistive devices scale (PIADS) were applied before admittance, and then at three and eleven months of follow up. Results: Hand functionality showed an increase of approximately 30% with both measuring instruments. In case of PIADS, competence, self-esteem and adaptability varied, from no effect of technology assistance, to the maximum of 3 points in adaptability at the eleven-month follow up. Conclusion: This case study highlights potential benefits of using upper limb 3D prosthesis on daily functional performance and quality of life.
Descritores: Membros Artificiais/psicologia
Extremidade Superior
Amputados/psicologia
Amputados/reabilitação
-Qualidade de Vida
Atividades Cotidianas
Impressão Tridimensional
Antebraço
Limites: Seres Humanos
Masculino
Adolescente
Responsável: CL61.1 - Biblioteca Central Campus Sur


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Id: biblio-966142
Autor: Gajardo A, Cynthia; Escalona D' A, Pamela; Barriga A, Karina.
Título: Efectividad del uso de seating de posicionamiento en niños con parálisis cerebral discinética: revisión sistemática / Effectiveness of the use of seating devices in children with dyskinetic cerebral palsy: a systematic reviewx
Fonte: Rehabil. integral (Impr.);13(1):14-21, jul. 2018. tab, ilus.
Idioma: es.
Resumo: Introduction: To assess the effectiveness of seating devices during the sitting position on postural stability and upper limb functionality in users with dyskinetic type cerebral palsy. Method: A systematic review that included randomized, quasi-randomized, cohort, and pre-post intervention clinical trials with evaluation before and after the intervention. This review included studies of chil-dren with a diagnosis of cerebral palsy, mainly of the dyskinetic type, with ages between 2 and 10 years old. The databases of CINAHL Plus, Cochrane (Central), EMBASE (Via Ovid), Virtual Health Library, OT Seeker, Medline (Via PubMed) and OpenGrey were used. Results: Two studies met the inclusion criteria; however, the analysis was carried out qualitatively due to the methodological quality for these, with presence of a high risk of bias. The study by Cimolin described greater trunk stability and smooth upper extremity movements with the use of a dynamically configured seat. Nwaobi described better upper extre-mity functionality in a seat inclined at 0º and 30º, not referring to trunk stability. Conclusion: From the review of the results it is concluded that there is not enough scientific evidence to determine that the use of seating devices favors the postural control and the functionality of upper extremities in children with cerebral dyskinesia type cerebral palsy.

Introducción: Evaluar la eficacia del posicionamiento sedente en la estabilidad postural y funcionalidad de extremidades superiores, en ni-ños con parálisis cerebral discinética, comparando el uso y el no uso de seating de posicionamiento. Método: Revisión siste-mática incluyendo ensayos clínicos de tipo aleatorio, cuasialeatorizado, de cohorte y casos con evaluación antes y después de la intervención. Se incluyó niños con parálisis cerebral discinético, entre 2 y 10 años de edad. Se utilizó bases de datos de CI-NAHL Plus, Cochrane (Central), EMBASE (Vía Ovid), Biblioteca Virtual de la Salud, OT Seeker, Medline (Via PubMed) y Open Grey. Resultados: Dos estudios cumplieron criterios de inclusión, aunque el análisis se realizó de forma cualitativa por la calidad metodológica de estos. Cimolin detectó mayor estabilidad de tronco y suavidad en los movimientos de extremidades superiores con el uso de un asiento de configuración dinámica. Nwaobi describió mejor funcionalidad de extremidad superior en un asiento inclinado a 0º y 30º, no haciendo referencia a la estabilidad de tronco. Conclusión: De la revisión de los resulta-dos, se concluye que no existe evidencia científica suficiente que determine que el uso de seating favorezca o no el control postural y la funcionalidad de extremidades superiores en niños y jóvenes con parálisis cerebral de tipo discinética.
Descritores: Paralisia Cerebral/reabilitação
Extremidade Superior/fisiologia
FRUCTOSEPHOSPHATESABBREVIATIONS AS TOPIC
-Paralisia Cerebral/fisiopatologia
Discinesias/fisiopatologia
Discinesias/reabilitação
Equilíbrio Postural
Limites: Seres Humanos
Pré-Escolar
Criança
Tipo de Publ: 57788
Responsável: CL61.1 - Biblioteca Central Campus Sur


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Id: biblio-837914
Autor: Gómez Sánchez, María Encarnación; Manueles Marcos, Fernando de; Martínez Martínez, Maria Luisa; Vera Berón, Roberto; Azaña Défez, Jose Manuel.
Título: Acral papular mucinosis: a new case of this rare entity
Fonte: An. bras. dermatol;91(5,supl.1):111-113, Sept.-Oct. 2016. graf.
Idioma: en.
Resumo: Abstract Acral persistent papular mucinosis (APPM) is a rare subtype of localized lichen myxedematosus. It consists of small papules localized exclusively on the back of the hands, wrists and extensor aspects of distal forearms with no other clinical or laboratory manifestations. The lesions tend to persist and may increase slowly in number. Histologically, hematoxylin-eosin and Alcian blue staining demonstrate mucin accumulation in the upper reticular dermis with separation of collagen fibers as a result of hyaluronic acid deposition. Treatment is rarely necessary due to the absence of symptoms. We present a 27-year-old healthy woman with asymptomatic papules on her upper extremities, which adequately meet clinical and pathological criteria of acral papular mucinosis.
Descritores: Pele/patologia
Dermatopatias/patologia
Escleromixedema/patologia
-Biópsia
Extremidade Superior
Doenças Raras
Mucinas/análise
Limites: Seres Humanos
Feminino
Adulto
Tipo de Publ: Relatos de Casos
Responsável: BR1.1 - BIREME


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Id: lil-727055
Autor: Lima, Renata C. M; Nascimento, Lucas R; Michaelsen, Stella M; Polese, Janaine C; Pereira, Natália D; Teixeira-Salmela, Luci F.
Título: Influences of hand dominance on the maintenance of benefits after home-based modified constraint-induced movement therapy in individuals with stroke
Fonte: Braz. j. phys. ther. (Impr.) = Rev. bras. fisioter;18(5):435-444, 12/09/2014. tab, graf.
Idioma: en.
Resumo: Objective: To investigate the influence of hand dominance on the maintenance of gains after home-based modified constraint-induced movement therapy (mCIMT). Method: Aprevious randomized controlled trial was conducted to examine the addition of trunk restraint to the mCIMT. Twenty-two chronic stroke survivors with mild to moderate motor impairments received individual home-based mCIMT with or without trunk restraints, five times per week, three hours daily over two weeks. In this study, the participants were separated into dominant group, which had their paretic upper limb as dominant before the stroke (n=8), and non-dominant group (n=14) for analyses. The ability to perform unimanual tasks was measured by the Wolf Motor Function Test (WMFT) and the Motor Activity Log (MAL), whereas the capacity to perform bimanual tasks was measured using the Bilateral Activity Assessment Scale (BAAS). Results: Analysis revealed significant positive effects on the MAL amount of use and quality of the movement scales, as well as on the BAAS scores after intervention, with no differences between groups. Both groups maintained the bimanual improvements during follow-ups (BAAS-seconds 0.1, 95% CI -10.0 to 10.0), however only the dominant group maintained the unilateral improvements (MAL-amount of use: 1.5, 95% CI 0.7 to 2.3; MAL-quality: 1.3, 95% CI 0.5 to 2.1). Conclusions: Upper limb dominance did not interfere with the acquisition of upper limb skills after mCIMT. However, the participants whose paretic upper limb was dominant demonstrated better abilities to maintain the unilateral gains. The bilateral improvements were maintained, regardless of upper limb dominance. .
Descritores: Acidente Vascular Cerebral/fisiopatologia
Extremidade Superior/fisiopatologia
Terapia por Exercício
Reabilitação do Acidente Vascular Cerebral/métodos
Lateralidade Funcional
-Método Simples-Cego
Serviços de Assistência Domiciliar
Limites: Seres Humanos
Masculino
Feminino
Meia-Idade
Responsável: BR1.1 - BIREME


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Id: lil-778381
Autor: Philbois, Stella V; Martins, Jaqueline; Souza, Cesário S; Sampaio, Rosana F; Oliveira, Anamaria S.
Título: Health professionals identify components of the International Classification of Functioning, Disability and Health (ICF) in questionnaires for the upper limb
Fonte: Braz. j. phys. ther. (Impr.) = Rev. bras. fisioter;20(1):15-25, Jan.-Feb. 2016. tab.
Idioma: en.
Resumo: BACKGROUND: Several Brazilian studies have addressed the International Classification of Functioning, Disability and Health (ICF), but few have analyzed the knowledge of the health professionals with regards to the ICF. OBJECTIVE: To verify whether the classification of the items in the Brazilian-Portuguese versions of The Shoulder Pain and Disability Index (SPADI) and The Disabilities Arm, Shoulder and Hand (DASH) questionnaires, obtained from health professionals who worked with patients having upper limb injuries, could be related to ICF components as defined by others studies. METHOD: There were 4 participants for the group "professionals with high familiarity of the ICF (PHF)" and 19 for the group of "professionals with some or no familiarity of the ICF (PSNF)". The participants judged whether the items on the two questionnaires belonged to the ICF body function, body structure or activity-participation component, and marked a confidence level for each trial using a numerical scale ranging from zero to 10. The items were classified by the discriminant content validity method using the Student'st-test and the Hochberg correction. The ratings were compared to the literature by the percentage of agreement and Kappa coefficient. RESULTS: The percentage of agreement of the rating from the PSNF and the PHF groups with the literature was equal to or greater than 77%. For the DASH, the agreement of the PSNF and PHF groups with the literature were, respectively, moderate (Kappa=0.46 to 0.48) and substantial (Kappa=0.62 to 0.70). CONCLUSIONS: Health professionals were able to correlate the three components of the ICF for most items on the 2 questionnaires, demonstrating some ease of understanding the ICF components. However, the relation of concept of pain with body function component is not clear for professional and deserves a more attentive approach.
Descritores: Atividades Cotidianas
Classificação Internacional de Funcionalidade, Incapacidade e Saúde
Dor de Ombro/fisiopatologia
Extremidade Superior/fisiologia
-Brasil
Avaliação da Deficiência
Limites: Seres Humanos
Responsável: BR1.1 - BIREME


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Id: lil-767070
Autor: Martins, Júlia C; Aguiar, Larissa T; Lara, Eliza M; Teixeira-Salmela, Luci F; Faria, Christina D. C. M.
Título: Assessment of grip strength with the modified sphygmomanometer test: association between upper limb global strength and motor function
Fonte: Braz. j. phys. ther. (Impr.) = Rev. bras. fisioter;19(6):498-506, Nov.-Dec. 2015. tab, graf.
Idioma: en.
Resumo: ABSTRACT Background: Grip strength, commonly evaluated with the handgrip dynamometer, is a good indicator of upper limb (UL) function in stroke subjects and may reflect the global strength deficits of the whole paretic UL. The Modified Sphygmomanometer Test (MST) also provides objective and adequate measures at low-cost. Objective: To assess whether grip strength values obtained by using the MST and those obtained by using a handgrip dynamometer would present similar correlations with the global strength and motor function of the paretic UL in subjects with stroke, both in the subacute and chronic phases. Method: Measures of grip strength (MST and handgrip dynamometer), UL global strength (MST and hand-held dynamometer), and UL motor function (Fugl-Meyer motor assessment scale) were obtained with 33 subacute and 44 chronic stroke subjects. Pearson and Spearman correlation coefficients were calculated and Stepwise multiple regression analyses were performed to investigate predictor variables of grip strength (α=0.05). Results: Significant correlations of similar magnitude were found between measures of global strength of the paretic UL and grip strength assessed with both the MST (0.66≤r≤0.78) and handgrip dynamometer (0.66≤r≤0.78) and between UL motor function and grip strength assessed with both the MST (0.50≤rs≤0.51) and hand-held dynamometer (0.50≤rs≤0.63) in subacute and chronic stroke subjects. Only global strength remained as a significant predictor variable of grip strength for the MST (0.43≤R2≤0.61) and for the handgrip dynamometer (0.44≤R2≤0.61) for both stroke subgroups. Conclusion: Grip strength assessed with the MST could be used to report paretic UL global strength.
Descritores: Força da Mão/fisiologia
Esfigmomanômetros/normas
Acidente Vascular Cerebral/fisiopatologia
Extremidade Superior/fisiopatologia
Força Muscular/fisiologia
Reabilitação do Acidente Vascular Cerebral/métodos
-Reabilitação do Acidente Vascular Cerebral/normas
Limites: Seres Humanos
Responsável: BR1.1 - BIREME


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Id: lil-764130
Autor: Silfies, Sheri P; Ebaugh, David; Pontillo, Marisa; Butowicz, Courtney M.
Título: Critical review of the impact of core stability on upper extremity athletic injury and performance
Fonte: Braz. j. phys. ther. (Impr.) = Rev. bras. fisioter;19(5):360-368, Sept.-Oct. 2015. graf.
Idioma: en.
Resumo: BACKGROUND: Programs designed to prevent or rehabilitate athletic injuries or improve athletic performance frequently focus on core stability. This approach is based upon the theory that poor core stability increases the risk of poor performance and/or injury. Despite the widespread use of core stability training amongst athletes, the question of whether or not sufficient evidence exists to support this practice remains to be answered.OBJECTIVES: 1) Open a dialogue on the definition and components of core stability. 2) Provide an overview of current science linking core stability to musculoskeletal injuries of the upper extremity. 3) Provide an overview of evidence for the association between core stability and athletic performance.DISCUSSION: Core stability is the ability to control the position and movement of the trunk for optimal production, transfer, and control of forces to and from the upper and lower extremities during functional activities. Muscle capacity and neuromuscular control are critical components of core stability. A limited body of evidence provides some support for a link between core stability and upper extremity injuries amongst athletes who participate in baseball, football, or swimming. Likewise, few studies exist to support a relationship between core stability and athletic performance.CONCLUSIONS: A limited body of evidence exists to support the use of core stability training in injury prevention or performance enhancement programs for athletes. Clearly more research is needed to inform decision making when it comes to inclusion or emphasis of core training when designing injury prevention and rehabilitation programs for athletes.
Descritores: Traumatismos em Atletas/fisiopatologia
Músculo Esquelético/fisiologia
Extremidade Superior/fisiologia
Desempenho Atlético/fisiologia
-Traumatismos em Atletas/prevenção & controle
Movimento
Limites: Seres Humanos
Responsável: BR1.1 - BIREME


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Id: biblio-828291
Autor: Aguiar, Larissa T; Martins, Júlia C; Lara, Eliza M; Albuquerque, Julianna A; Teixeira-Salmela, Luci F; Faria, Christina D. C. M.
Título: Dynamometry for the measurement of grip, pinch, and trunk muscles strength in subjects with subacute stroke: reliability and different number of trials
Fonte: Braz. j. phys. ther. (Impr.) = Rev. bras. fisioter;20(5):395-404, Sept.-Oct. 2016. tab.
Idioma: en.
Resumo: ABSTRACT Background Muscle strength is usually measured in individuals with stroke with Portable dynamometers (gold standard). However, no studies have investigated the reliability, the standard error of measurement (SEM) and the minimal detectable difference (MDD95%) of the dynamometry for the measurement of hand grip, pinch grip and trunk strength in subjects with subacute stroke. Objective 1) To investigate the intra and inter-rater reliability, the SEM and the MDD95% of the portable dynamometers for the measurement of grip, pinch and trunk strength in subjects with subacute stroke, and 2) to verify whether the use of different number of trials (first trial and the average of the first two and three trials) affected the results. Method 32 subjects with subacute stroke (time since stroke onset: 3.6 months, SD=0.66 months) were evaluated. Hand grip, 3 pinch grips (i.e. pulp-to-pulp/palmar/lateral) and 4 trunk muscles (i.e. flexors, extensors, lateral flexors and rotators) strength were bilaterally assessed (except trunk flexors/extensors) with portable dynamometry by two independent examiners over two sessions (1-2 weeks apart). One-way ANOVAs and intraclass correlation coefficients (ICC2,k) were used for analysis (α=0.05). SEM and MDD95% were also calculated. Results For all muscular groups and sources of outcome values, including one trial, after familiarization, similar results were found (0.01≤F≤0.08; 0.92≤p≤0.99) with significant and adequate values of intra-rater (0.64≤ICC≤0.99; 0.23≤95%CI≤0.99) and inter-rater (0.66≤ICC≤0.99; 0.25≤95%CI≤0.99) reliability. SEM and MDD95% were considered low (0.39≤EPM≤2.21 Kg; 0.96≤MMD95%≤6.12 Kg) for all outcome scores. Conclusion Only one trial, following familiarization, demonstrated adequate intra-rater and inter-rater reliability of the portable dynamometers for the measurement of hand grip, pinch grip and trunk strength in subjects with subacute stroke.
Descritores: Músculo Esquelético/fisiologia
Força da Mão/fisiologia
Acidente Vascular Cerebral/fisiopatologia
Força Muscular/fisiologia
Reabilitação do Acidente Vascular Cerebral/normas
-Reprodutibilidade dos Testes
Acidente Vascular Cerebral/complicações
Extremidade Superior/fisiologia
Extremidade Superior/patologia
Limites: Seres Humanos
Responsável: BR1.1 - BIREME


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Id: lil-778485
Autor: Rodrigues Filho, Edil de Albuquerque; Santos, Marcos André Moura dos; Silva, Amanda Tabosa Pereira da; Farah, Breno Quintella; Costa, Manoel da Cunha; Campos, Florisbela de Arruda Camara e Siqueira; Falcão, Ana Patrícia Siqueira Tavares.
Título: Relation between body composition and bone mineral density in young undregraduate students with different nutritional status / Relação entre composição corporal e densidade mineral óssea em jovens universitários com diferentes estados nutricionais
Fonte: Einstein (Säo Paulo);14(1):12-17, Jan.-Mar. 2016. tab, graf.
Idioma: en.
Resumo: ABSTRACT Objective To investigate the relationship between total and segmental body fat, bone mineral density and bone mineral content in undergraduate students stratified according to nutritional status. Methods The study included 45 male undergraduate students aged between 20 and 30 years. Total and segmental body composition, bone mineral density and bone mineral content assessments were performed using dual energy X-ray absorptiometry. Subjects were allocated into three groups (eutrophic, overweight and obese). Results With the exception of upper limb bone mineral content, significantly higher (p<0.05) mean bone mineral density, bone mineral content, and relative body fat values were documented in the obese group. Total body and segmental relative body fat (lower limbs and trunk) were positively correlated (p<0.05) with bone mineral density in the overweight group. Upper limb fat was negatively correlated (p<0.05) with bone mineral content in the normal and eutrophic groups. Conclusion Total body and segmental body fat were correlated with bone mineral density and bone mineral content in male undergraduate students, particularly in overweight individuals.

RESUMO Objetivo Examinar a relação entre as gorduras corporal total e corporal segmentar com a densidade mineral óssea e conteúdo mineral ósseo em jovens universitários estratificados segundo o estado nutricional. Métodos Participaram do estudo 45 estudantes homens entre 20 e 30 anos de idade. Foram realizadas avaliações da composição corporal, densidade mineral óssea e conteúdo mineral ósseo (total e segmentado) foram avaliados por meio da absortometria radiológica de dupla energia. Os sujeitos foram divididos em três grupos (eutrófico, sobrepeso e obesos). Resultados Os obesos tiveram maiores valores médios nas variáveis de densidade mineral óssea, conteúdo mineral ósseo e gordura relativa comparativamente aos eutróficos e àqueles com sobrepeso (p<0,05 para todos), exceto no conteúdo mineral ósseo nos membros superiores. A gordura relativa total, bem como segmentar (membros inferiores e tronco), correlacionou-se positivamente com a densidade mineral óssea somente nos sobrepesados (p<0,05 para todos). Nos eutróficos e obesos, a gordura dos membros superiores foi correlacionada negativamente com o conteúdo mineral ósseo (p<0,05). Conclusão Gordura corporal total e gordura corporal segmentada estiveram relaciondas com a densidade mineral óssea e o conteúdo mineral ósseo em jovens universitários masculinos, sobretudo em indivíduos com sobrepeso.
Descritores: Composição Corporal/fisiologia
Densidade Óssea/fisiologia
Estado Nutricional/fisiologia
-Índice de Massa Corporal
Tecido Adiposo/fisiologia
Estudos Transversais
Extremidade Superior/fisiologia
Sobrepeso/fisiopatologia
Obesidade/fisiopatologia
Limites: Seres Humanos
Masculino
Adulto
Responsável: BR1.1 - BIREME


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Id: biblio-977828 LILACS-Express
Autor: Moraes Junior, Frederico Bento de; Lopes, Wendell Arthur; Silva, Larissa Rosa da; Araújo, Cristiane Tavares; Jesus, Incare Correa de; Coutinho, Priscila Rizental; Radominski, Rosana Bento; Leite, Neiva.
Título: Localized fat-free mass does not influence muscle strength in obese and non-obese boys / Massa livre de gordura localizada não influencia força muscular em rapazes obesos e não obesos / Masa libre de grasa localizada no influencia la fuerza muscular en jóvenes obesosy no obesos
Fonte: Rev. bras. med. esporte;24(5):361-365, Sept.-Oct. 2018. tab.
Idioma: en.
Resumo: INTRODUCTION: Obesity in adolescents has increased worldwide, and is generally associated with poor eating habits and physical inactivity. OBJECTIVE: To compare absolute and relative muscle strength with body mass (BM), fat-free mass (FFM) and localized FFM of upper and lower limbs among obese and non-obese adolescents. METHODS: BM, height and body mass index (BMI) were verified in 39 male adolescents (aged 13-17 years). Body composition was measured by dual-energy X-ray absorptiometry (DXA) and maximal strength of upper and lower limbs was estimated by a one-repetition maximum (1RM) test. Participants were divided into three groups: eutrophic (normal weight) (n=11), overweight (n=14), and obese (n=14). One-way ANOVA was used to compare the variables, followed by a Bonferroni post-hoc test for multiple comparisons. Pearson's correlation coefficient was used for relevant correlations and multiple linear regression to verify the influence of anthropometric variables, body composition and muscle strength of upper and lower limbs. RESULTS: Obese and overweight adolescents had absolute muscle strength values similar to those of the eutrophic adolescents, which were lower when corrected by BM (p<0.001). However, muscle strength related to FFM and localized FFM were similar between groups in both upper and lower limbs. Linear regression showed that BMI explained 59% of the variation in absolute muscle strength of the lower limbs (ß=0.59, p<0.05), FFM explained 84% of the variation in absolute muscle strength of the upper limbs (ß=0.84, p<0.01) and 68% of the lower limbs (ß=0.68; p<0.01), while localized FM was inversely associated in the lower limbs (ß=−0.53, p<0.05). CONCLUSION: Muscle strength of lower and upper limbs, when corrected by localized FFM, does not distinguish between overweight and normal weight adolescents, indicating that obesity does not have a negative effect on generation of muscle strength in obese boys. Level of Evidence III; Case-control study.

INTRODUÇÃO: A obesidade em adolescentes tem aumentado em todo o mundo, geralmente associada a hábitos alimentares inadequados e inatividade física. OBJETIVO: Comparar a força muscular absoluta e relativa com a massa corporal (MC), massa livre de gordura (MLG) e MLG localizada dos membros superiores e inferiores entre adolescentes obesos e não obesos. MÉTODOS: Em 39 adolescentes do sexo masculino (entre 13 e 17 anos) foram verificados MC, estatura e índice de massa corporal (IMC). A composição corporal foi medida por absorciometria de raios-x de dupla energia (DXA) e a força máxima de membros superiores e inferiores foi estimada por um teste de repetição máxima (1RM). Os participantes foram divididos em três grupos: eutrófico (n = 11), sobrepeso (n = 14) e obeso (n = 14). Utilizou-se o teste One-way ANOVA para comparar as variáveis, seguido de teste post hoc de Bonferroni para comparações múltiplas, para as correlações relevantes, usou-se o coeficiente de correlação de Pearson e a regressão linear múltipla foi usada para verificar a influência das variáveis antropométricas, composição corporal e a força muscular dos membros superiores e inferiores. RESULTADOS: Os adolescentes obesos e com sobrepeso tinham força muscular absoluta similar aos dos eutróficos, sendo menores quando corrigidas pela MC (p < 0,001). Porém, a força muscular relacionada com a MLG e a MLG localizada foi semelhante entre os grupos, tanto em membros superiores como inferiores. A regressão linear mostrou que o IMC explicou 59% da variação da força muscular absoluta dos membros inferiores (ß = 0,59, p < 0,05), a MLG explicou 84% da variação da força muscular absoluta dos membros superiores (ß = 0,84, p < 0,01) e 68% dos membros inferiores (ß = 0,68; p < 0,01), enquanto a massa gorda localizada foi inversamente associada nos membros inferiores (ß = −0,53; p < 0,05). CONCLUSÃO: A força muscular dos membros superiores e inferiores, quando corrigida pela MLG localizada, não diferencia adolescentes com sobrepeso e eutróficos, indicando que a obesidade não afeta negativamente a geração de força muscular em rapazes obesos. Nível de Evidência III; Estudo de caso-controle.

INTRODUCCIÓN: La obesidad en adolescentes ha aumentado en todo el mundo, generalmente asociada a malos hábitos alimenticios y falta de actividad física. OBJETIVO: Comparar fuerza muscular absoluta y relativa de la masa corporal (MC), MLG y MLG localizada en miembros inferiores y superiores entre adolescentes obesos y no obesos. MÉTODOS: Se verificó en 39 adolescentes hombres (entre 13 y 17 años) sus MC, estaturas e índices de masa corporal (IMC). La composición corporal fue mensurada por absorciometría de rayos-x de doble energía (DXA) y el test de repetición máxima para estimar la fuerza máxima de miembros superiores e inferiores, divididos en tres grupos: 11 eutróficos, 14 con sobrepeso y 14 obesos. Se usó ANOVA (one way) para comparación de variables, seguido de Post Hoc de Bonferroni para comparaciones múltiples, correlaciones por el coeficiente de correlación Pearson y Regresión Lineal Múltiple para la influencia de variables antropométricas, composición corporal y fuerza muscular de miembros inferiores y superiores. RESULTADOS: Obesos y con sobrepeso presentaron valores de fuerza muscular absoluta similares a los eutróficos, pero menor si se corrigen por MC (p<0,001). Sin embargo, la fuerza muscular relativa a MLG y MLG localizada fue semejante. En regresión lineal, el IMC explicó el 59% de variación de fuerza muscular absoluta en miembros inferiores (ß=0,59, p<0,05), MLG 84% de variación de fuerza muscular absoluta en miembros superiores (ß=0,84, p<0,01) y 68% en miembros inferiores (ß=0,68; p<0,01), mientras que la MG localizada fue inversamente asociada a los superiores (ß=−0,53; p<0,05). CONCLUSIÓN: La fuerza muscular de miembros superiores e inferiores, cuando es corregida por la MLG localizada, no se diferencia en adolescentes con sobrepeso y eutróficos, indicando que la obesidad no afecta negativamente la generación de fuerza muscular en jóvenes obesos. Nivel de Evidencia III; Estudio caso-control.
Descritores: Composição Corporal
Aptidão Física
Força Muscular/fisiologia
Obesidade Pediátrica
-Índice de Massa Corporal
Estudos Transversais
Análise de Variância
Extremidade Inferior/fisiologia
Extremidade Superior/fisiologia
Limites: Seres Humanos
Masculino
Adolescente
Tipo de Publ: Estudo Comparativo
Responsável: BR14.1 - Biblioteca Central



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