Effects of myofascial release on flexibility and electromyographic activity of the lumbar erector spinae muscles in healthy individuals |
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| Affiliation: | 1. Universidade do Vale do Rio dos Sinos (UNISINOS), São Leopoldo, Rio Grande do Sul, Brazil;2. Centro Universitário da Serra Gaúcha (FSG), Caxias do Sul, Rio Grande do Sul, Brazil;1. Laboratório de Pesquisa do Exercício/ Universidade Federal do Rio Grande do Sul(UFRGS), Porto Alegre, RS, Brazil;1. Rehabilitation Sciences Post-Graduation Program, Augusto Motta University Centre (UNISUAM), Rio de Janeiro, Brazil;2. Department of Medical Imaging, Allergology and Physiotherapy, Faculty of Dental Medicine, Medical University of Plovdiv, Bulgaria;3. Department of Kinesiotherapy, Faculty of Public Health, Medical University of Sofia, Bulgaria;4. Department of Physical Therapy, School of Medicine, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil;5. Postgraduate Program in Medical Sciences, School of Medical Sciences, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil;1. University of Florida, College of Public Health & Health Professions, Department of Physical Therapy, Box 100154, UFHSC, Gainesville, FL, 32610-0154, USA;2. University of Florida College of Dentistry, Interim Associate Dean of Faculty Affairs, Director, Pain Clinical Research Unit, Pain Research & Intervention Center of Excellence, UF CTSI, University of Florida, Health Center Office, D2-148, Gainesville, FL, 32610-0404, USA;3. College of Public Health and Health Professions (University of Florida) Research Collaboration, USA;4. University of Florida Term Professor, Colleges of Dentistry and Medicine, Associate Director, UF Pain Research & Intervention Center of Excellence, UF CTSI. PO Box 103628, 1329 SW 16th Street, Ste 5180, Gainesville, FL, USA;1. Univ. Polytechnique Hauts-de-France, UMR 8201 - LAMIH - Laboratoire d’Automatique de Mécanique et d’Informatique Industrielles et Humaines, F-59313, Valenciennes, France;2. CNRS, UMR 8201, F-59313, Valenciennes, France;3. School of Kinesiology, Faculty of Medicine University of Montreal, Canada;4. Health and Physical Education Department, College of Education, United Arab Emirates University, United Arab Emirates;1. Department of Physical Therapy, U1 University, 310, Daehak-ro, Yeongdong-eup, Yeongdong-gun, Chungbuk, 29131, Republic of Korea;2. Department of Physical Therapy, Daejeon Health Institute of Technology, 21, Chungjeong-ro, Dong-gu, Daejeon, 34504, Republic of Korea |
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| Abstract: | ObjectiveTo investigate the effects of myofascial release on the flexibility and electromyographic activity of the lumbar erector spinae muscle in healthy individuals.MethodsTen healthy subjects were recruited to an intervention protocol of myofascial release techniques: (1) superficial myofascial release; (2) deep myofascial release apply along 10 sessions, twice a week, with 40 min per sessions. The outcomes evaluated were flexibility (Toe-Touch Test) and electromyography activity (EMG) of the lumbar erector spinae muscle (Iliocostalis and Longissimus bilaterally) during the movement of extension-flexion of the trunk. Paired t-test was used to compare the electromyographic outcomes, while the Wilcoxon test was used to compare the flexibility outcomes.ResultsThe myofascial release techniques increased the flexibility (p = 0.005; r = 0.88) and have no influence over the electromyographic activity of the right iliocostalis (p = 0.179; r = 0.43), right longissimus (p = 0.877; r = 0.05), left iliocostalis (p = 0.386; r = 0.29) and left longissimus (p = 0.418; r = 0.27).ConclusionsThe application of myofascial release techniques increase flexibility and did not influence over the electromyographic activity of the lumbar erector spinae muscles in healthy individuals. Further studies should include a larger sample with a sham group and/or compare EMG activity of the lumbar erector spinae muscles with patients with low back pain during the movement of extension-flexion of the trunk. |
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| Keywords: | Myofascial release Electromyography Flexibility Fascia |
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