Navegando por Palavras-chave "Muscle strength"

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    Assessment of isokinetic peak torque reliability of the hip flexor, extensor, adductors and abductors muscles in female soccer players from 14 to 25 years old
    (Edizioni Minerva Medica, 2016) Santos Andrade, Marilia [UNIFESP]; Mascarin, Naryana C. [UNIFESP]; Benedito-Silva, Ana A.; Carderelli Minozzo, Fabio; Vancini, Rodrigo L.; Barbosa De Liras, Claudio A.
    BACKGROUND: The aim of this study was to evaluate test-retest reliability of concentric flexor, extensor, abductor and adductor muscular isokinetic hip torques in female soccer players. METHODS: Sixteen highly-trained female soccer players were evaluated. Isokinetic dynamometer assessment was performed at 30 degrees/s and 150 /s concentrically. The muscles tested were hip flexor (Fl), extensor (Ext), adductor (Add) and abductor (Abd). The reproducibility of the measured peak torque (PT) was analyzed by using the intraclass correlation coefficient (ICC). The difference in PT between the first and second tests was tested using Student's t-test. RESULTS: The ICC for the observed PT values revealed moderate to high reproducibility (ranging from 0.55 to 0.76) for the hip Fl and Ext measurements at 150 degrees/s and for Add and Abd measurements at 30 and 150 /s. For the hip Fl and Ext measurements at 30 degrees/s the ICC was poor. CONCLUSIONS: The isokinetic assessment of the concentric PT values generated by the hip Fl and Ext and Add and Abd is moderate to highly reproducible, when assessed at the highest test velocity (150 degrees/s). The test-retest reliability of hip isokinetic strength measures seems to be affected by the type muscle and test velocity.
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    Avaliação da qualidade de vida, equilíbrio, força muscular e capacidade física em idosos praticantes de atividade física e não praticantes de atividade física
    (Universidade Federal de São Paulo, 2012-04-10) Orlando, Mariana Martinez [UNIFESP]; Lombardi Júnior, Imperio [UNIFESP]; Peccin, Maria Stella [UNIFESP]; http://lattes.cnpq.br/0428199048138850; http://lattes.cnpq.br/6748923176828764; http://lattes.cnpq.br/1622581944839862; Universidade Federal de São Paulo (UNIFESP)
    Introdução: O envelhecimento torna-se um grande desafio para saúde pública, devido a necessidade de encontrar soluções para manter a sobrevida e melhorar a qualidade de vida. A prática de atividade física tem sido uma importante aliada na promoção de saúde e prevenção das doenças relacionadas ao processo de envelhecimento. Objetivo: O objetivo do presente estudo foi avaliar a qualidade de vida, força muscular, equilíbrio e capacidade física de idosos praticantes e não praticantes de atividade física. Casuística e Métodos: Foi realizado um estudo observacional transversal com 74 idosos da cidade de Santos/ SP- Brasil, divididos em dois grupos: praticantes e não praticantes de atividade física. Para a coleta de dados foi utilizado o questionário internacional de atividade física para a classificação dos idosos, para avaliar a qualidade de vida foi utilizado o questionário genérico SF36, a escala de Berg foi utilizada para análise do equilíbrio, para o teste de força muscular foi utilizado a dinamometria e para a avaliação da capacidade física foi utilizado o teste de caminhada de seis minutos. Resultados: Os dados do presente estudo mostram uma diferença significativa na qualidade de vida (p=0,001), força muscular (p=0,001), equilíbrio (p=0,001) e capacidade física (p=0,001) entre os idosos praticantes e não praticantes de atividade física. Os dados demonstram também uma moderada correlação entre os aspectos de qualidade de vida com o equilíbrio (0,513) no grupo praticante de atividade física, e uma forte correlação na qualidade de vida e a capacidade física (r= 0,741) no grupo não praticantes de atividade física. Conclusão: Podemos concluir que os idosos da cidade de Santos que praticam atividade física têm melhor qualidade de vida, força muscular, capacidade física e equilíbrio do que os não praticam de atividade física.
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    Avaliação da qualidade de vida, força muscular e capacidade funcional em mulheres com fibromialgia
    (Sociedade Brasileira de Reumatologia, 2011-08-01) Cardoso, Fábio de Souza; Curtolo, Murilo; Natour, Jamil [UNIFESP]; Lombardi Júnior, Imperio [UNIFESP]; Universidade Federal de São Paulo (UNIFESP)
    OBJECTIVE: To assess the quality of life, muscle strength and functional capacity in women with fibromyalgia (FM). PATIENTS AND METHODS: Cross-sectional study carried out with 31 female volunteers (age range, 35 to 60 years), paired in two groups (16 with FM, and 15 in the control group). Both groups underwent the following assessments: one-repetition maximum (1RM) of knee flexors and extensors; quality of life (application of the SF-36 questionnaire); 6-minute walk test (6MWT); pinch strengths (tripod, pulp-to-pulp, and key) and handgrip strength. RESULTS: A significant difference between the groups was observed in the following variables: handgrip strength; pulp-to-pulp and tripod pinch strength of both hands; and the 1RM test of knee flexors and extensors in both limbs (P < 0.05). Only the key pinch showed no statistical difference between groups for both limbs (P > 0.05). The 6MWT also showed a statistical difference between the groups (P < 0.01). The SF-36 showed that women with FM have reduced functional capacity, increased bodily pain, and worsened general health status (P < 0.05). CONCLUSION: The results revealed, in women with FM, a reduction in the following: muscle strength in the upper and lower limbs; the distance walked in the 6MWT; and quality of life
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    Avaliação dos efeitos da hospitalização sobre a capacidade funcional de idosos
    (Universidade Federal de São Paulo (UNIFESP), 2020-10-06) Mota, Helena Silva [UNIFESP]; Volpe, Márcia Souza [UNIFESP]; http://lattes.cnpq.br/2284535375174765; http://lattes.cnpq.br/3346578269619757; Universidade Federal de São Paulo (UNIFESP)
    O processo senil corresponde ao envelhecimento fisiológico do organismo e também pode ser definido como um declínio funcional dependente do tempo que causa perda progressiva da integridade fisiológica, função prejudicada dos órgãos e subsequente aumento da vulnerabilidade à morte. Com a perda da integridade fisiológica, a internação hospitalar decorrente de doença aguda se torna mais frequente e a internação, por sua vez, pode acelerar a perda de capacidade funcional. É importante ressaltar que o conceito de funcionalidade transcende a saúde física e reflete a interação entre as várias dimensões da saúde: biológica, individual e social. Portanto, a limitação física compromete atividades desenvolvidas pelo idoso e sua participação na sociedade, impactando negativamente na sua qualidade de vida. Fatores como, a imobilidade no leito e a pior alimentação/ingestão de nutrientes parecem estar relacionados com a perda de capacidade funcional durante o processo de internação hospitalar. O objetivo principal desse estudo foi avaliar os efeitos da hospitalização sobre a capacidade funcional de pacientes idosos. Foram incluídos pacientes internados nas enfermarias da Santa Casa de Santos, com idade igual ou superior a 65 anos, sem doença neuromuscular ou ortopédica que impeça a realização dos testes, com capacidade de caminhar independentemente previamente à internação, índice de massa corpórea < 30 kg/m2, estáveis hemodinamicamente, sem desconforto respiratório e sem expectativa de abordagem cirúrgica. Os pacientes foram avaliados entre o segundo e terceiro dia de internação e no momento da alta hospitalar. Os métodos avaliativos foram: força da musculatura respiratória, força de preensão palmar, Timed Up and Go (TUG) e índice de Barthel, utilizamos de análise descritiva através do cálculo das médias e desvio padrão. Foram avaliados 18 idosos, com idade média de 69 anos, sendo 11 do sexo masculino e 7 do sexo feminino e os resultados mostram que a força da musculatura respiratória sofreu redução ao longo da internação, na média inicial de PIMáx= 89 ± 24 cmH 2 O e final PIMáx= 82,5 ± 30 cmH 2 O e aumento na média inicial de PEMáx= 88 ± 23 cmH 2 O e final PEMáx = 94 ± 27 cmH 2 O. A média de força de preensão palmar também sofreu redução: de 20,5 ± 8 Kgf para 19,5 ± 8 Kgf. Enquanto o tempo para completar o TUG reduziu de 15,3 ± 5,6 s para 14,4 ± 5,5 s. Já o índice de Barthel não apresentou alteração significativa (médias inicial e final iguais a 91 e 90 pontos, respectivamente). Esses resultados indicam um declínio da função respiratória e da força muscular global, após um período relativamente curto de internação hospitalar. Assim, intervenções fisioterapêuticas, entre outras medidas, poderão ser adotadas para minimizar a perda de capacidade funcional de idosos internados.
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    Balance and fear of falling in subjects with Parkinson's disease is improved after exercises with motor complexity
    (Elsevier Ireland Ltd, 2018) Silva-Batista, Carla; Corcos, Daniel M.; Kanegusuku, Helcio; Piemonte, Maria Elisa Pimentel; Gobbi, Lilian Teresa Bucken; Lima-Pardini, Andrea C. de; Mello, Marco Tulio de [UNIFESP]; Forjaz, Claudia L. M.; Ugrinowitsch, Carlos
    Resistance training with instability (RTI) uses exercises with high motor complexity that impose high postural control and cognitive demands that may be important for improving postural instability and fear of falling in subjects with Parkinson's disease (PD). Here, we hypothesized that: 1) RTI will be more effective than resistance training (RT) in improving balance (Balance Evaluation Systems Test [BESTest] and overall stability index [Biodex Balance System (R)]) and fear of falling (Falls Efficacy Scale-International [FES-I] score) of subjects with Parkinson's disease (PD)
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    Combined plyometric and strength training improves repeated sprint ability and agility in young male basketball players
    (Edizioni Minerva Medica, 2017) de Freitas Guina Fachina, Rafael J.; Martins, Domingo S.; Montagner, Paulo C.; Borin, Joao P.; Vancini, Rodrigo L.; Andrade, Marilia dos Santos [UNIFESP]; Barbosa de Lira, Claudio A.
    BACKGROUND: Basketball practice requires producing maximal or near-maximal efforts, interspersed with brief recovery intervals, i.e. "repeated-sprint ability" (RSA). Therefore, the purposes of this study were to examine the effects of the inclusion of two weekly sessions of plyometric exercises replacing two sessions of conventional strength training, on repeated-sprint ability (RSA) and agility in young male basketball players, in addition to their basketball training routine. METHODS: To achieve the goals of the present study forty-two athletes were randomly assigned to a control group (CG) or plyometric training group (PTG). The CG performed conventional strength training for eight weeks, three times per week on non-consecutive days. The PTG followed the same training protocol of the CG. However, two out of three sessions of conventional strength training were replaced by plyometric training. Absolute mean power, absolute maximum power, fatigue index, and total time were measured using the modified running-based anaerobic sprint test (modified RAST). The best time was determined using the modified T-test. Variables were compared before and after training intervention. RESULTS: Although both groups showed a significant improvement in absolute mean power, absolute maximum power, total time and best time post-training, the intervention effect in the PTG proved higher, where the ANOVA test showed a significant interaction effect on outcomes. No improvement in fatigue index was observed in either of the groups. CONCLUSIONS: In addition to conventional training methods, strength and conditioning professionals may consider incorporating plyometric training into overall conditioning programs of young athletes seeking to achieve a high level of RSA and agility.
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    Comparison of thoracic kyphosis degree, trunk muscle strength and joint position sense among healthy and osteoporotic elderly women: A cross-sectional preliminary study
    (Elsevier B.V., 2012-03-01) Granito, Renata Neves; Aveiro, Mariana Chaves [UNIFESP]; Renno, Ana Claudia Muniz [UNIFESP]; Oishi, Jorge; Driusso, Patricia; Universidade Federal de São Carlos (UFSCar); Universidade Federal de São Paulo (UNIFESP)
    Increased thoracic kyphosis is one of the most disfiguring consequences of osteoporotic spine fractures in the elderly. However, mechanisms involved in the increasing of the kyphosis degree among osteoporotic women are not completely understood. Then, the aims of this cross-sectional preliminary study were comparing thoracic kyphosis degree, trunk muscle peak torque and joint position sense among healthy and osteoporotic elderly women and investigating possible factors affecting the kyphosis degree. Twenty women were selected for 2 groups: healthy (n = 10) and osteoporotic (n = 10) elderly women. Bone mineral density (BMD), thoracic kyphosis degree, trunk muscles peak torque and joint position sense were measured. Differences among groups were analyzed by Student's Test T for unpaired data. Correlations between variables were performed by Pearson's coefficient correlation. the level of significance used for all comparisons was 5% (p <= 0.05). We observed that the osteoporotic women demonstrated a significantly higher degree of kyphosis and lower trunk extensor muscle peak torque. Moreover, it was found that the BMD had a negative correlation with the thoracic kyphosis degree. Kyphosis degree showed a negative correlation between extensor muscle strength and joint position sense index. This study suggests that lower BMD may be associated to higher degree of kyphosis degree, lower trunk extensors muscle strength and an impaired joint position sense. It is also suggested that lower extensor muscle strength may be a factor that contributes to the increasing in kyphosis thoracic degree. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
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    Correlação entre estado nutricional e força de preensão palmar em idosos
    (Universidade do Estado do Rio Janeiro, 2012-09-01) Martin, Fabíola Giannattasio [UNIFESP]; Nebuloni, Clarice Cavalero [UNIFESP]; Najas, Myrian Spinola [UNIFESP]; Universidade Federal de São Paulo (UNIFESP)
    In the aging process, body changes occur, such as reduction of lean mass with impaired muscle strength, affecting the functional capacity. Currently, the Hand Grip Strength Test (HGST) is being used to evaluate the overall muscle strength as an aid in nutritional assessment. OBJECTIVE: To investigate the correlation between the HGST and nutritional status in the elderly. METHODS: Cross sectional study on elderly people attending outpatient of a Federal Public University. To evaluate the nutritional status, were used: body mass index (BMI), nutritional evaluation by Mini Nutritional Assessment (MNA), calf circumference and HGST performed with the aid of a hydraulic hand dynamometer. It was used as reference for the GSTP and the BMI, cutoff points divided by gender (SABE / OPAS Project). RESULTS: The sample was mostly formed (n = 42) by women (66.7%), with an average of 26.82 points in the MNA and BMI, most seniors were eutrophic - 46.4% women and 57.1% men. Men and women were averaged over 31 cm of calf circumference. The average strength for men was higher than women. There was no statistically significant difference between nutritional status classified by BMI and HGST for men and women, there was a statistically significant correlation (p 0.008) between the nutritional status classified by MNA and hand grip strength in the total sample. CONCLUSIONS: Among the methods to assess nutritional status, only MNA correlated positively with the HGST, which is a measure associated with the functionality in the elderly.
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    Degree of disability, pain levels, muscle strength, and electromyographic function in patients with Hansen's disease with common peroneal nerve damage
    (Sociedade Brasileira de Medicina Tropical - SBMT, 2012-06-01) Véras, Larissa Sales Téles; Vale, Rodrigo Gomes de Souza; Mello, Danielli Braga de; Castro, José Adail Fonseca de; Lima, Vicente; Silva, Kelson Nonato Gomes da [UNIFESP]; Trott, Alexis; Dantas, Estélio Henrique Martin; Universidade Estadual do Piauí Centro de Ciências da Saúde; Universidade Federal do Estado do Rio de Janeiro Laboratório de Biociências da Motricidade Humana; Hospital Getúlio Vargas Clínica Dermatológica; Escola de Educação Física do Exército Brasileiro; Fundação Oswaldo Cruz, Rio de Janeiro Laboratório de Doenças Parasitárias; Universidade Federal de São Paulo (UNIFESP); Universidade do Oeste de Santa Catarina Laboratório de Aspectos Moleculares Associados a Doenças Genéticas; Universidade Federal do Rio Grande do Sul; Universidade Federal do Estado do Rio de Janeiro
    INTRODUCTION: This study evaluated the degree of disability, pain levels, muscle strength, and electromyographic function (RMS) in individuals with leprosy. METHODS: We assessed 29 individuals with leprosy showing common peroneal nerve damage and grade 1 or 2 disability who were referred for physiotherapeutic treatment, as well as a control group of 19 healthy participants without leprosy. All subjects underwent analyses of degree of disability, electromyographic tests, voluntary muscle force, and the Visual Analog Pain Scale. RESULTS: McNemar's test found higher levels of grade 2 of disability (Δ = 75.9%; p = 0.0001) among individuals with leprosy. The Mann-Whitney test showed greater pain levels (Δ = 5.0; p = 0.0001) in patients with leprosy who had less extension strength in the right and left extensor hallucis longus muscles (Δ = 1.28, p = 0.0001; Δ = 1.55, p = 0.0001, respectively) and dorsiflexion of the right and left feet (Δ = 1.24, p = 0.0001; Δ = 1.45, p = 0.0001, respectively) than control subjects. The Kruskal-Wallis test showed that the RMS score for dorsiflexion of the right (Δ = 181.66 m·s-2, p = 0.001) and left (Δ = 102.57m·s-2, p = 0.002) feet was lower in patients with leprosy than in control subjects, but intragroup comparisons showed no difference. CONCLUSIONS: Leprosy had a negative influence on all of the study variables, indicating the need for immediate physiotherapeutic intervention in individuals with leprosy. This investigation opens perspectives for future studies that analyze leprosy treatment with physical therapeutic intervention.
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    Degree of thoracic kyphosis and peak torque of trunk flexors and extensors among healthy women
    (Sociedade Brasileira de Ortopedia e Traumatologia, 2014-06-01) Granito, Renata Neves; Aveiro, Mariana Chaves [UNIFESP]; Renno, Ana Claudia Muniz [UNIFESP]; Oishi, Jorge; Driusso, Patricia; Universidade Federal de São Carlos; Universidade Federal de São Paulo (UNIFESP)
    OBJECTIVE:The aim of this study was to analyze the effects of aging on the degree of thoracic kyphosis and peak torque of the trunk flexor and extensor muscles among women without a densitometric diagnosis of osteoporosis.METHODS:Thirty women were selected to make up three groups: young women (n = 10; 24.60 ± 2.27 years of age); adults (n = 10; 43.50 ± 2.88); and elderly women (n = 10; 62.40 ± 2.67). Bone mineral density (BMD), degree of thoracic kyphosis and peak torque of the trunk flexors and extensors were evaluated. Differences between the groups were evaluated using the Kruskal-Wallis ANOVA and Mann-Whitney U tests. Pearson's correlation coefficient was used to assess correlations between the variables. The significance level was taken to be 5% (p < 0.05).RESULTS:The elderly group presented a greater degree of thoracic kyphosis (p = 0.009) and lower peak torque of the trunk flexors and extensors than the young group. The adult group presented lower peak torque of the trunk than the young group. A negative correlation was observed between age and peak torque of the trunk flexors and extensors (p < 0.001), and a positive correlation between age and the degree of thoracic kyphosis (r = 0.58; p < 0.001). The elderly group presented higher values for the eccentric/concentric ratio of the peak torque for flexors (p = 0.03) and extensors (p = 0.02).CONCLUSION:This study suggests that physiological aging may be associated with a greater degree of thoracic kyphosis and lower muscle strength of the trunk flexors and extensors. Moreover, the elderly women showed a relative capacity for preservation of eccentric strength.
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    Efeitos da suplementação com vitamina D e cálcio sobre o metabolismo mineral e sobre parâmetros da função neuromuscular em idosos institucionalizados
    (Universidade Federal de São Paulo (UNIFESP), 2006) Pedrosa-Castro, Marcia Alessandra Carneiro [UNIFESP]; Lazaretti-Castro, Marise [UNIFESP]; Universidade Federal de São Paulo (UNIFESP)
    Objetivos: Avaliar os efeitos de 6 meses de suplementação com colecalciferol e cálcio sobre o metabolismo mineral e sobre os parâmetros de força muscular de membros inferiores, oscilação postural e mobilidade funcional. Desenho do Estudo: Ensaio clínico prospectivo, randomizado, duplo-cego, placebocontrolado. Local de realização: Duas instituições de longa permanência para idosos, em São Paulo - SP, Brasil. Participantes: 56 idosos de ambos os sexos (12 homens e 44 mulheres), com 60 anos de idade ou mais (mediana=77,6; limites=62-94 anos). Métodos: Os pacientes foram randomizados em Grupo-Ca (n=28) para placebo, ou Grupo-Ca+D (n=28) para colecalciferol. Todos os participantes receberam 1000 mg/dia de cálcio. O Grupo-Ca+D recebeu colecalciferol oral nas doses de 150.000 UI/ mês durante os 2 primeiros meses de estudo e 90.000 UI/mês nos 4 meses subseqüentes, correspondendo a uma dose mensal de 3670 UI/dia em média, de Dezembro-2004 a Maio-2005. Níveis séricos de 25-Hidroxivitamina D (25OHD), paratormônio intacto (PTH) e cálcio foram mensurados no início do estudo (M1), 2 meses (M2) e 6 meses (M3) após tratamento. Os testes neuromusculares foram realizados antes do início da intervenção e repetidos após o fim do tratamento. A força muscular dos membros inferiores foi avaliada através de um índice de força muscular (IFM), incluindo a força dos músculos flexores do quadril e extensores do joelho, mensurada por dinamômetro mecânico portátil. Para avaliar a oscilação postural foi criado um índice (IOP) a partir da mensuração da oscilação do corpo nos diâmetros sagital e frontal ao nível da cintura. A mobilidade funcional foi mensurada através dos testes “Timed Up&Go” (TUG) e alcance funcional (TAF). Resultados: A 25OHD sérica aumentou em ambos os grupos no M2, porém mais no Grupo-Ca+D do que no Grupo-Ca (OR=2,2; 95%IC=1,98-2,4 vs. OR=1,76; 95%IC=1.55-1.99, respectivamente). No M3, os níveis de 25OHD declinaram apenas no Grupo-Ca, contudo, o PTH sérico diminuiu no M2 (p<0.0001) e retornou aos valores basais no M3 (p<0.0001) igualmente nos dois grupos. Antes do tratamento, deficiência/insuficiência de 25OHD (<50 nmol/L) afetava 67,9% do total de participantes. No M3, nenhum paciente do Grupo-Ca+D, mas 40% dos pacientes do Grupo-Ca tinham deficiência/insuficiência de 25OHD. Hipercalcemia não foi detectada em nenhum paciente. Apenas no Grupo-Ca+D, o IFM teve um aumento de 20% no M3 (OR=1,20; 95%IC=1,12-1,29), enquanto que IOP e TAF aumentaram igualmente nos dois grupos, provavelmente porque os pacientes de ambos os grupos aumentaram sua exposição solar durante o verão. Conclusões: A suplementação com colecalciferol e cálcio foi segura e efetiva em aumentar os níveis séricos de 25OHD, reduzir a prevalência de deficiência/insuficiência de 25OHD e aumentar a força muscular de membros inferiores nos idosos do grupo tratado. Palavras-chave: 25-Hidroxivitamina D, colecalciferol, idosos, força muscular, oscilação postural, mobilidade funcional.
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    Efeitos da vibração mecânica de corpo inteiro sobre parametros neuromusculares e funcionais em mulheres osteopênicas na pós-menopausa
    (Universidade Federal de São Paulo (UNIFESP), 2016-10-25) Dutra, Milena Carrijo [UNIFESP]; Castro, Marise Lazaretti [UNIFESP]; http://lattes.cnpq.br/8253870907570489; http://lattes.cnpq.br/8198122434022424; Universidade Federal de São Paulo (UNIFESP)
    Mechanical loading stimulation of bone with physical exercise has been described in the literature as an important non-pharmacological method to prevent and develop the musculoskeletal system. Mechanical stimulation with low intensity and low frequency vibration has been evaluated as a new, effective and safe way to improve muscle strength and bone mineral density (BMD). In this study, lowintensity vibration platforms were developed to evaluate the effects of mechanical vibration on neuromuscular function and functional capacity in osteopenic postmenopausal women. This was a longitudinal case-control study conducted in 122 women divided into two groups matched for age, and ethnicity: 62 in the platform group (PG - 63.24 ± 9.84 years) and 60 in the control group (CG - 62.88 ± 7.87 years). Five times a week, during 20 minutes over 12 months, the volunteers in the PG stood still and barefoot on the platform which vibrated with a frequency of 60 Hz, intensity of 0.6g and amplitude < 1mm. The volunteers in the CG were followed up and instructed to maintain their usual physical activity. At the beginning and end of the study, isometric muscle strength was assessed by dynamometry: hip flexors (HF), back extensors (BE) and right handgrip (RH) stMechanical loading stimulation of bone with physical exercise has been described in the literature as an important non-pharmacological method to prevent and develop the musculoskeletal system. Mechanical stimulation with low intensity and low frequency vibration has been evaluated as a new, effective and safe way to improve muscle strength and bone mineral density (BMD). In this study, lowintensity vibration platforms were developed to evaluate the effects of mechanical vibration on neuromuscular function and functional capacity in osteopenic postmenopausal women. This was a longitudinal case-control study conducted in 122 women divided into two groups matched for age, and ethnicity: 62 in the platform group (PG - 63.24 ± 9.84 years) and 60 in the control group (CG - 62.88 ± 7.87 years). Five times a week, during 20 minutes over 12 months, the volunteers in the PG stood still and barefoot on the platform which vibrated with a frequency of 60 Hz, intensity of 0.6g and amplitude < 1mm. The volunteers in the CG were followed up and instructed to maintain their usual physical activity. At the beginning and end of the study, isometric muscle strength was assessed by dynamometry: hip flexors (HF), back extensors (BE) and right handgrip (RH) strength. Dynamic upper limb strength was assessed with elbow flexion (EF). Additional, tests included the functional reach test (RT), mobility (TUG), and static balance, assessed with unipedal stance test (UST). The results showed that after 12 months, the PG presented significant (p < 0.05) in (HF ± 36.7 %), (BE ±36.5% and RH ± 4.4%), and dynamic (EF ± 22.8%) muscle strength. The RT improved by (9.9%) and the (UST by 6.8%). In the CG there was a significant decrease of -3.9 % in RH isometric strength. There was an improvement on the TUG reflected by a reduction of -9.2 % in execution time. We conclude that low-intensity vibration was effective in improving muscle strength in the upper and lower limbs, balance, and mobility in postmenopausal woman.rength. Dynamic upper limb strength was assessed with elbow flexion (EF). Additional, tests included the functional reach test (RT), mobility (TUG), and static balance, assessed with unipedal stance test (UST). The results showed that after 12 months, the PG presented significant (p < 0.05) in (HF ± 36.7 %), (BE ±36.5% and RH ± 4.4%), and dynamic (EF ± 22.8%) muscle strength. The RT improved by (9.9%) and the (UST by 6.8%). In the CG there was a significant decrease of -3.9 % in RH isometric strength. There was an improvement on the TUG reflected by a reduction of -9.2 % in execution time. We conclude that low-intensity vibration was effective in improving muscle strength in the upper and lower limbs, balance, and mobility in postmenopausal woman.
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    Efeitos do treinamento físico sobre a força muscular em adolescentes com obesidade submetidos à terapia interdisciplinar de emagrecimento e mudanças no estilo de vida de longo prazo
    (Universidade Federal de São Paulo (UNIFESP), 2016-11-30) Moreira, Carlos Eduardo [UNIFESP]; Dâmaso, Ana Raimunda [UNIFESP]; http://lattes.cnpq.br/8198400959291700; http://lattes.cnpq.br/9142324353336622; Universidade Federal de São Paulo (UNIFESP)
    The propose of study was to verify the role of long-term aerobic plus resistance training associated to interdisciplinary approach on isokinetic parameter and its impact on visceral adiposity. Forty postpubertal obese adolescents were involved in 1 year to interdisciplinary weight loss therapy. Body composition, visceral and subcutaneous fat were performed. Muscle strength was performed by isokinetic dynamometer. Interdisciplinary therapy effects were analyzed by t test. Correlations were established by Pearson´s and Spearman´s test. It were showed a significantly reduction in total body and mass; arms, leg, trunk, android and gynoid fat mass (%); visceral and subcutaneous fat (cm). Inversely, it was observed increased body lean mass (kg/%). Analyzing the isokinetic parameters it were showed some improvements in the peak of torque for all angles. To the total wok (J) variable, only significantly increase was observed for lower limbs. It is observed statistical changes for work fatigue (%) in lower limbs. Positive correlations were observed between peak torque with body lean mass in all angles performed and negative correlations with visceral fat and gynoid fat mass. Negative correlations were found between peak torque (N-M) with arms fat mass (%); peak torque (TQ/BW %) with subcutaneous fat (cm) and positive correlations with body lean mass (%). The muscle strength and fat distribution were improved in the present investigation and parameters of peak torque was positively with lean body mass and inversely correlated with visceral fat, showing the importance of aerobic plus resistance training to combat obesity and its consequences in the health.
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    Effect of L-carnitine on exercise performance in patients with mitochondrial myopathy
    (Associação Brasileira de Divulgação Científica, 2015-01-01) Gimenes, Ana Cristina Oliveira [UNIFESP]; Bravo, Daniela Manzoli [UNIFESP]; Nápolis, Lara Maris [UNIFESP]; Mello, Marco Tulio de [UNIFESP]; Oliveira, Acary Souza Bulle [UNIFESP]; Neder, Jose Alberto [UNIFESP]; Nery, Luiz Eduardo [UNIFESP]; Universidade Federal de São Paulo (UNIFESP)
    Exercise intolerance due to impaired oxidative metabolism is a prominent symptom in patients with mitochondrial myopathy (MM), but it is still uncertain whether L-carnitine supplementation is beneficial for patients with MM. The aim of our study was to investigate the effects of L-carnitine on exercise performance in MM. Twelve MM subjects (mean age±SD=35.4±10.8 years) with chronic progressive external ophthalmoplegia (CPEO) were first compared to 10 healthy controls (mean age±SD=29±7.8 years) before they were randomly assigned to receive L-carnitine supplementation (3 g/daily) or placebo in a double-blind crossover design. Clinical status, body composition, respiratory function tests, peripheral muscle strength (isokinetic and isometric torque) and cardiopulmonary exercise tests (incremental to peak exercise and at 70% of maximal), constant work rate (CWR) exercise test, to the limit of tolerance [Tlim]) were assessed after 2 months of L-carnitine/placebo administration. Patients with MM presented with lower mean height, total body weight, fat-free mass, and peripheral muscle strength compared to controls in the pre-test evaluation. After L-carnitine supplementation, the patients with MM significantly improved their Tlim (14±1.9 vs 11±1.4 min) and oxygen consumption ( V ˙ O 2 ) at CWR exercise, both at isotime (1151±115 vs 1049±104 mL/min) and at Tlim (1223±114 vs 1060±108 mL/min). These results indicate that L-carnitine supplementation may improve aerobic capacity and exercise tolerance during high-intensity CWRs in MM patients with CPEO.
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    Effects of concurrent training on muscle strength in older adults with metabolic syndrome: A randomized controlled clinical trial
    (Elsevier Ireland Ltd, 2018) Agner, Vania Fernanda Clemente [UNIFESP]; Garcia, Marcia Carvalho [UNIFESP]; Taffarel, André Andriolli [UNIFESP]; Mourao, Camila Baldini [UNIFESP]; Silva, Isabel Paulo da; Silva, Sara Pereira da [UNIFESP]; Peccin, Maria Stella [UNIFESP]; Lombardi Júnior, Imperio [UNIFESP]; Universidade Federal de São Paulo (UNIFESP)
    Introduction: Metabolic syndrome is highly prevalent among older adults. Concurrent training comprises muscle strengthening and aerobic exercise. Objective: Determine the effects of a concurrent training program on muscle strength, walking function, metabolic profile, cardiovascular risk, use of medications and quality of life among older adults with metabolic syndrome. Methods: A randomised, controlled, blind, clinical trial was conducted in the city of Santos, state of São Paulo, Brazil, involving 41 male and female older adults. The participants were randomly allocated to a control group (n = 18) and intervention group (n = 23) and were submitted to the following evaluations: strength – 1 maximum repetition (1MR) for 12 muscle groups; the Six-Minute Walk Test (6MWT); blood concentrations of cholesterol and glucose; the use of medications; and the administration of the SF-36 questionnaire. The intervention was conducted twice a week over a total of 24 sessions of concurrent training: 50 min of strength exercises (40–70% 1MR) and 40 min of walking exercises (70–85% maximum heart rate). Results: Increases in muscle strength were found in the upper and lower limbs in the inter-group analysis and a greater distance travelled on the 6MWT was found in the intervention group (p = 0.001). The intervention group demonstrated a reduction in the consumption of biguanides (p = 0.002). No changes were found regarding metabolic profile, cardiovascular risk or self-perceived quality of life. Conclusion: The findings of this clinical trial can be used for the prescription of concurrent training for older adults with metabolic syndrome for gains in muscle strength and walking distance as well as a reduction in the use of biguanides.
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    Effects of Pilates mat exercises on muscle strength and on pulmonary function in patients with cystic fibrosis
    (Soc Brasileira Pneumologia Tisiologia, 2014-09-01) Franco, Caroline Buarque; Ribeiro, Antonio Fernando; Morcillo, Andre Moreno; Zambon, Mariana Porto; Almeida, Marina Buarque; Rozov, Tatiana [UNIFESP]; Universidade Estadual de Campinas (UNICAMP); Universidade Federal de São Paulo (UNIFESP); Universidade de São Paulo (USP)
    Objective: To analyze the effects of Pilates mat exercises in patients with cystic fibrosis (CF). Methods: This was a clinical trial involving 19 CF patients recruited from either the CF Outpatient Clinic of the State University at Campinas Hospital de Clinicas or the Children's Institute of the University of So Paulo School of Medicine Hospital das Clinicas. All of the patients performed Pilates mat exercises for four months (one 60-min session per week). the variables studied (before and after the intervention) were respiratory muscle strength, MIP, MEP, FVC, and FEV1. Results: After the intervention, MIP was significantly higher in the male patients (p = 0.017), as were MIP and MEP in the female patients (p = 0.005 and p = 0.007, respectively). There were no significant differences between the pre- and post-intervention values of FVC or FEV1, neither in the sample as a whole nor among the patients of either gender. Conclusions: Our results show that Pilates mat exercises have beneficial effects on respiratory muscle strength in CF patients.
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    Estudo da assimetria de força muscular e descarga de peso em atletas de futebol
    (Universidade Federal de São Paulo (UNIFESP), 2014-03-26) Ribeiro, Diego Ramos [UNIFESP]; Antunes, Hanna Karen Moreira [UNIFESP]; Universidade Federal de São Paulo (UNIFESP)
    INTRODCUTION: Soccer is considered the most popular sport of the world. According to a Fédération Internationale de Football Association (FIFA) previous study, 265 million of people play soccer. Despite of running being a prevalent activity, others like sprints, jump, contact and shooting requires explosive force that are essential for a soccer player´s good performance. Perform this activities with inappropriate physical and psycological conditions could induce the development of musculoskeletal injuries. To access these athletes, which need muscle strength and balance control in dynamic ativities, functional tests as vertical jump with the aid of force platforms are used. OBJECTIVES: To identify if there was difference of asymmetry of muscle strength and lower extremities impact force between groups and if that difference induced musculoskeletal injuries. METHODS: 92 athletes of sub-elite 17 and sub-elite 20 soccer categories were separated in 3 groups according to previous evaluation and in 5 sub-groups according to their field positions, each athtlete was evaluated three times throughout the competitive season. Only 8 participants were evaluated three times, longitudinally. The participants were evaluated from the crouched jump and countermovement jump upon a force platform (Globus Ergo System). Data of asymmetries on Excentric Peak of Force, Excentric Peak of Force and Impact Force of the lower extremities was obtained. DATA ANALYSIS: A model of analysis of variance with two fixed factors and Tukey multiple comparisons method was used for the cross-sectional study and a model of analysis of variance with fixed factor for the longitudinal study. RESULTS: The cross-sectional study´s data showed that Goalkeeper´s Group and Defender´s Group presented upper height than other groups, being the Defender´s Group highest than all. The group who did the first evaluation demonstrated less muscle strength asymmetry and impact force values compared to second and third groups. The athletes who participated of the longitudinal part of the study showed relevant asymmetries of muscle strength and impact force, aggravated on return of holiday. CONCLUSION: Were detected asymmetries during the season and the group which showed less asymmetries was the same that showed more injuries incidence. Occurred asymmetry, mainly after holiday period, between athletes who did the three evaluations.
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    Fatores preditores de desempenho cognitivo de idosos brasileiros em teste de Stroop
    (Universidade Federal de São Paulo (UNIFESP), 2020) Braga, Pedro Luiz Garcia [UNIFESP]; Silva, Sergio Gomes da [UNIFESP]; Almeida, Sandro Soares [UNIFESP]; http://lattes.cnpq.br/1849515375148915; http://lattes.cnpq.br/6571529192321274; http://lattes.cnpq.br/0541103265966943; Universidade Federal de São Paulo
    Objetivo: No presente estudo, analisamos quais variáveis físicas e funcionais constituem-se como fatores preditores de desempenho cognitivo em uma amostra de 498 idosos brasileiros (67,26% do sexo feminino). Método: Para tanto, utilizamos o teste de Stroop como ferramenta para avaliar o desempenho cognitivo e o Índice Geral de Aptidão Funcional (IGAF) para avaliar a aptidão funcional dos participantes. Resultado: A análise de regressão linear evidencia que sexo, precisamente o feminino (β= - 0,097; t= - 2,286; p=0,023), idade (β= 0,205; t= 4,606; p< 0,0001), escolaridade (β= - 0,280; t= - 6,358; p< 0,0001) e o IGAF (β= - 0,101; t= - 2,347; p< 0,02), foram fatores preditores do desempenho cognitivo. O índice de massa corporal (kg/m2) e o estado nutricional (baixo peso, eutrófico, sobrepeso ou obeso) não foram preditores significativos associados ao desempenho cognitivo dos idosos. Conclusões: Tomados em conjunto, nossos achados mostram que: (1) mulheres executam o teste de Stroop em menor tempo do que homens; (2) quanto mais velho o idoso, pior seu desempenho cognitivo no teste; (3) quanto maior a escolaridade dos idosos, melhor o tempo de execução do teste; (4) pontuações mais altas no IGAF levam a um melhor desempenho no teste de Stroop. Ademais, dentre as tarefas do IGAF, observou-se que a força muscular é fator preditor na execução do Teste de Stroop, tanto nos membros superiores quanto inferiores (flexão do cotovelo: β= - 0,201; t= - 4,672; p< 0,0001; sentar e levantar na cadeira: β= - 0,125; t= - 2,580; p< 0,01). Portanto, sexo, idade, escolaridade, aptidão funcional e força muscular são preditores de desempenho cognitivo em idosos.
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    Força axial de língua em diferentes faixas etárias
    (Sociedade Brasileira de Fonoaudiologia, 2011-09-01) Motta, Andréa Rodrigues [UNIFESP]; César, Cibele Comini; Bommarito, Silvana [UNIFESP]; Chiari, Brasilia Maria [UNIFESP]; Universidade Federal de Minas Gerais; Universidade Federal de São Paulo (UNIFESP)
    PURPOSE: To analyze the maximum axial force, the mean axial force, the amount of energy accumulated by the tongue, and the time taken to reach the maximum axial force, in different age ranges. METHODS: The records of 92 individuals - students, staff and visitors at an university -, 29 (32.6%) men and 63 (67.4%) women, with ages between 14 and 53 years old, were analyzed. Subjects were divided into four age groups: 14 to 18 years, 19 to 23 years, 24 to 28 years, and 29 to 53 years. Each subject underwent clinical and instrumental assessment of the tongue. Instrumental assessment used FORLING. Data were statistically analyzed. RESULTS: Regarding the maximum force, the mean force and the tongue's accumulated energy, no differences were observed between groups. Regarding the time taken to reach the maximum force, the greatest values were obtained at the age range from 14 to 18 years (4.5 s), and the shortest values, at the age range from 19 to 23 years (3.1 s), with significant difference between the groups (p=0.001). CONCLUSION: Only the time taken to reach the tongue's maximum force is influenced by age range, indicating that teenagers are not able to reach the maximum lingual force as fast as young adults.
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    Força muscular durante as diferentes fases do ciclo menstrual: uma revisão narrativa
    (Universidade Federal de São Paulo, 2023-01-11) Toguchi, Gabriela Soares [UNIFESP]; Colantonio, Emilson [UNIFESP]; http://lattes.cnpq.br/9840076091240222; http://lattes.cnpq.br/9932109812640701; Universidade Federal de São Paulo (UNIFESP)
    O objetivo deste estudo foi investigar o que a literatura tem mostrado sobre as diferentes fases do ciclo menstrual, Lútea, Ovulatória e Folicular em relação a força muscular. Tratasse de uma revisão narrativa que também utilizou da seleção de artigos científicos das bases de dados SciELO, LILACS e Pubmed utilizando os descritores em português: “Ciclo menstrual” e “força muscular” e na língua inglesa “Mentrual cycle” e “muscle strength”, dos anos de 2010 a 2022 descartando os artigos que fugissem da temática. Revisando a literatura, observa-se que a temática das diferentes fases do ciclo menstrual e a força muscular tem resultados controversos e não é possível afirmar que o ciclo menstrual pode influenciar na força muscular. Portanto, se faz necessário outros estudos futuros com uma metodologia mais robusta para a obtenção de resultados mais conclusivos sobre esse tema.