RESUMO
PURPOSE: Neck pain is considered a common characteristic of migraine attacks. The relationship between neck pain and migraine can be explained by central sensitization of the trigeminocervical complex, where superior cervical afferents and the trigeminal nerve converge. However, few studies have evaluated motor control of cervical muscles in individuals with migraine. Thus, the purpose of the present study was to determine the extensor/flexor ratio of neck muscle strength and electromyographic activity during a test of maximal voluntary isometric contraction and craniocervical flexion in individuals with migraine and individuals without history of migraine or other headaches. METHODS: Fifty-two women with the disease and 52 women with neither a history of migraine nor neck pain, between 18 and 55 years old, were included in the study. The electromyographic activities of the sternocleidomastoid, anterior scalene, splenius capitis, and upper trapezius muscles were evaluated during a test of maximal voluntary isometric contraction and craniocervical flexion. RESULTS: The migraine group presented lower flexor muscle strength and a higher extensor/flexor muscle strength ratio than the control group. In addition, the migraine group showed a reduced electromyographic extensor/flexor muscle ratio during maximal voluntary isometric contraction in flexion. The results demonstrated worse performance in the craniocervical flexion test of the migraine group and a lower electromyographic ratio of extensor/flexor neck muscles in the last stage of the test. CONCLUSION: Altogether, the migraine group presented an imbalance in cervical muscles verified not only during force production, but also during muscle activity. These slides can be retrieved under Electronic Supplementary Material.
Assuntos
Eletromiografia , Transtornos de Enxaqueca/fisiopatologia , Força Muscular/fisiologia , Músculos do Pescoço/fisiopatologia , Adulto , Estudos de Casos e Controles , Estudos Transversais , Feminino , Humanos , Contração Isométrica/fisiologiaRESUMO
OBJECTIVE: To investigate the association between the presence of self-reported neck pain in patients with migraine and clinical features, upper cervical mobility, and neck muscle performance. METHODS: A total of 142 patients with migraine were recruited and stratified by the presence (n = 99) or absence of self-reported neck pain (n = 43). The clinical examination included the Migraine Disability Assessment, the 12-item Allodynia Symptom Checklist, a flexion rotation test, and the Craniocervical Flexion Test. RESULTS: Migraine-related disability was reported by more than 80% in both groups (p = 0.82). However, there was a greater prevalence and severity of cutaneous allodynia observed in the group with neck pain (p < 0.001). Reduced upper cervical mobility was verified in 67% of the patients with neck pain and in 41% of those without neck pain (p = 0.005). In addition, 67% of the patients with neck pain and 40% without neck pain were not able to maintain the third stage of the Craniocervical Flexion Test without compensation (p = 0.003). CONCLUSIONS: The presence of self-reported neck pain in patients with migraine was associated with a poor clinical presentation regarding cutaneous allodynia, neck mobility, and muscle function. However, there were no differences in migraine-related disability.
Assuntos
Transtornos de Enxaqueca/complicações , Cervicalgia/etiologia , Adulto , Estudos Transversais , Avaliação da Deficiência , Feminino , Humanos , Hiperalgesia/epidemiologia , Hiperalgesia/etiologia , Masculino , Pessoa de Meia-Idade , Transtornos de Enxaqueca/fisiopatologia , Músculos do Pescoço/fisiopatologia , Cervicalgia/epidemiologia , Amplitude de Movimento Articular/fisiologia , Inquéritos e QuestionáriosRESUMO
Objetivo: Investigar os efeitos do exercício resistido de baixa intensidade associado à oclusão vascular no ganho de força e volume muscular. Método: Foi realizada uma busca sistematizada nos bancos de dados eletrônicos: Science Direct, PEDro e Pubmed, onde foram revisados somente ensaios clínicos randomizados e com pontuação acima de 50% de acordo com a escala de PEDro. Resultados: Durante a pesquisa foram pré-selecionados e analisados 440 artigos e ao final da seleção, sete artigos preencheram todos os critérios de inclusão e especificações estabelecidas. Conclusão: Conclui-se que o exercício de baixa intensidade com oclusão sanguínea é uma alternativa eficaz na indução de hipertrofia muscular, sendo vista como uma nova possibilidade de treinamento muscular orientado para jovens e idosos saudáveis. No entanto, há necessidade de realizar novos estudos, pois ainda existem pontos que permanecem sem explicação, como dor e desconforto durante o treinamento.
Objective: To investigate the effects of low-intensity resistance exercise associated with vascular occlusion in strength and muscle volume. Method: We performed a systematic review in electronic databases: Science Direct, PEDro, and Pubmed, in which were reviewed only randomized clinical trials with a score over 50% according to the PEDro scale. Results: During the survey 440 articles were pre-selected and reviewed, but in the final selection only seven articles met all inclusion criteria and specifications set. Conclusion: We conclude that low-intensity exercise with blood occlusion is an effective alternative in inducing muscle hypertrophy and is seen as a new possibility of targeted muscle training for young people and seniors. However, we need more studies, for there are still points that remain unclear, such as pain and discomfort during training.