Is spinal neuromuscular function asymmetrical in adolescents with idiopathic scoliosis compared to those without scoliosis?: A narrative review of surface EMG studies |
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| Institution: | 1. The University of Queensland, Laboratory for Motor Control and Pain Research, School of Biomedical Sciences, St Lucia, 4072 QLD, Australia;2. KK Women’s and Children’s Hospital, Physiotherapy Department, 229899, Singapore;3. The University of Queensland, School of Health & Rehabilitation Sciences, St Lucia, 4072 QLD, Australia;4. Royal Brisbane and Women’s Hospital, Tess Cramond Pain and Research Centre, Herston 4029, Australia;5. Queensland University of Technology at the Centre for Children’s Health Research, Biomechanics and Spine Research Group, South Brisbane, 4101 QLD, Australia;1. INRIA, Montpellier University, Montpellier, France;2. Neurinnov, Montpellier, France;1. Fischell Department of Bioengineering, University of Maryland at College Park, College Park, MD, USA;2. Department of Neurology, Medical College of Wisconsin, Milwaukee, WI, USA;3. Department of Neuroscience, Baylor College of Medicine, Houston, TX, USA;4. Faculty of Biomedical and Rehabilitation Engineering, University of Health and Rehabilitation Sciences, Qingdao, Shandong, China;5. Department of Rehabilitation Sciences and Technology, University of Wisconsin-Milwaukee, Milwaukee, WI, USA;6. Guangdong Work Injury Rehabilitation Center, Guangzhou, Guangdong, China;7. Department of Physical Therapy and Rehabilitation Science, University of Maryland at Baltimore, Baltimore, MD, USA;1. Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Cagliari, Italy;2. Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy;3. Neurorehabilitation Unit, Department of Neuroscience and Rehabilitation, G. Brotzu Hospital, Cagliari, Italy;1. Department of Clinical Neurophysiology, Hospital Ramón y Cajal, Madrid, Spain;2. Institute for Research on Musculoskeletal Disorders, Valencia Catholic University, Valencia, Spain;3. Division of Pediatric Orthopedics, Hospital Ramón y Cajal, Madrid, Spain;4. Spine Unit, Hospital La Fraternidad, Madrid, Spain;1. Département de kinésiologie, Université Laval, Québec, Québec, Canada;2. Centre de recherche du CHU de Québec, Québec, Québec, Canada;3. Département des sciences de l’activité physique, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada;4. Clinique d’Orthopédie Infantile de Québec, Québec, Québec, Canada |
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| Abstract: | Adolescent idiopathic scoliosis (AIS) is a three-dimensional spinal deformity occurring between ages of 10–18 years. We aimed to present a reasoned synthesis of the published evidence for and against asymmetrical paraspinal muscle activation in AIS. PubMed and Embase databases were searched using terms: adolescent idiopathic scoliosis AND electromyogra* (EMG). Identified studies (n = 94) were screened for eligibility. We identified 16 studies, from which 136 EMG outcome measures contributed to the review.For EMG onset, one of two studies provided evidence of earlier muscle activation on the convex compared to concave side of the spine, particularly in those with progressive AIS. For EMG amplitude, 43 outcome measures provided evidence of convex > concave activation, 85 outcomes supported no difference between sides, and 8 outcomes supported concave > convex activation. Greater activity on the convex than concave side was more commonly demonstrated at the scoliosis curve apex level, in people with single right thoracic progressive] curves, during postural tasks.Further research is needed to determine the relationships between muscle activity asymmetry and spinal curve parameters in a variety of motor tasks. Recommendations are provided to improve methodological quality for future studies of spinal neuromuscular function in AIS, as well as more comprehensive and transparent reporting of methods and results. |
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| Keywords: | Spine Adolescent idiopathic scoliosis Asymmetry Electromyography EMG |
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