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A total of 259 adolescents were included in the final analysis; among these, 108 were IS and 151 were non-IS. LAM thickness and elasticity were measured at rest and during isometric contraction by an Aixplorer ultrasound scanner. Out of all LAM, only OE thickness was higher on the convex body side compared to the concave side in lumbar and thoracolumbar scoliosis. It may be related with muscle\u2019s atrophy\/hypertrophy or other tissues displacement rather than different force generated by the muscle on both body sides, because an asymmetry in the elasticity of the LAM between the convex and concave side was not presented. The only TrA was stiffer in lumbar scoliosis compared to thoracolumbar and thoracic scoliosis. LAM elasticity was similar in IS and non-IS adolescents.<\/jats:p>","DOI":"10.1038\/s41598-021-85552-4","type":"journal-article","created":{"date-parts":[[2021,3,16]],"date-time":"2021-03-16T11:14:42Z","timestamp":1615893282000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Shear wave elastography of the lateral abdominal muscles in C-shaped idiopathic scoliosis: a case\u2013control study"],"prefix":"10.1038","volume":"11","author":[{"given":"Pawe\u0142","family":"Linek","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ma\u0142gorzata","family":"Pa\u0142ac","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomasz","family":"Wolny","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,3,16]]},"reference":[{"key":"85552_CR1","doi-asserted-by":"publisher","first-page":"3","DOI":"10.1007\/s11832-012-0457-4","volume":"7","author":"MR Konieczny","year":"2013","unstructured":"Konieczny, M. 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