{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T02:16:47Z","timestamp":1778811407143,"version":"3.51.4"},"reference-count":51,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2021,4,1]],"date-time":"2021-04-01T00:00:00Z","timestamp":1617235200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001711","name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung","doi-asserted-by":"publisher","award":["32003B_156646"],"award-info":[{"award-number":["32003B_156646"]}],"id":[{"id":"10.13039\/501100001711","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001711","name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung","doi-asserted-by":"publisher","award":["32003B_179471"],"award-info":[{"award-number":["32003B_179471"]}],"id":[{"id":"10.13039\/501100001711","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Science Progress"],"published-print":{"date-parts":[[2021,4]]},"abstract":"<jats:p>\n                    Current clinical assessments evaluating selective voluntary motor control are measured on an ordinal scale. We combined the Selective Control of the Upper Extremity Scale (SCUES) with surface electromyography to develop a more objective and interval-scaled assessment of selective voluntary motor control. The resulting Similarity Index (SI) quantifies the similarity of muscle activation patterns. We aimed to evaluate the validity and reliability of this new assessment named SI\n                    <jats:sub>SCUES<\/jats:sub>\n                    (Similarity Index of the SCUES) in children with upper motor neuron lesions. Thirty-three patients (12.2\u2009years [8.8;14.9]) affected by upper motor neuron lesions with mild to moderate impairments and 31 typically developing children (11.6\u2009years [8.5;13.9]) participated. We calculated reference muscle activation patterns for the SI\n                    <jats:sub>SCUES<\/jats:sub>\n                    using data of 33 neurologically healthy adults (median [1st; 3rd quantile]: 32.5 [27.9; 38.3]). We calculated Spearman correlations (\u03c1) between the SI\n                    <jats:sub>SCUES<\/jats:sub>\n                    and the SCUES and the Manual Ability Classification System (MACS) to establish concurrent validity. Discriminative validity was tested by comparing scores of patients and healthy peers with a robust ANCOVA. Intraclass correlation coefficients\n                    <jats:sub>2,1<\/jats:sub>\n                    and minimal detectable changes indicated relative and absolute reliability. The SI\n                    <jats:sub>SCUES<\/jats:sub>\n                    correlates strongly with SCUES (\u03c1\u2009=\u20090.76, p\u2009&lt;\u20090.001) and moderately with the MACS (\u03c1\u2009=\u2009\u22120.58, p\u2009&lt;\u20090.001). The average SI\n                    <jats:sub>SCUES<\/jats:sub>\n                    can discriminate between patients and peers. The intraclass correlation coefficient\n                    <jats:sub>2,1<\/jats:sub>\n                    was 0.90 and the minimal detectable change was 0.07 (8% of patients\u2019 median score). Concurrent validity, discriminative validity, and reliability of the SI\n                    <jats:sub>SCUES<\/jats:sub>\n                    were established. Further studies are needed to evaluate whether it is responsive enough to detect changes from therapeutic interventions.\n                  <\/jats:p>","DOI":"10.1177\/00368504211008058","type":"journal-article","created":{"date-parts":[[2021,4,19]],"date-time":"2021-04-19T09:04:53Z","timestamp":1618823093000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":10,"title":["Validity and reliability of an electromyography-based upper limb assessment quantifying selective voluntary motor control in children with upper motor neuron lesions"],"prefix":"10.1177","volume":"104","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3286-4105","authenticated-orcid":false,"given":"Jeffrey W","family":"Keller","sequence":"first","affiliation":[{"name":"Swiss Children\u2019s Rehab, University Children\u2019s Hospital Zurich, Affoltern am Albis, Switzerland"},{"name":"Children\u2019s Research Center, University Children\u2019s Hospital Zurich, Zurich, Switzerland"},{"name":"Doctoral Program Clinical Science, Faculty of Medicine, University of Zurich, Zurich, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8801-1596","authenticated-orcid":false,"given":"Annina","family":"Fahr","sequence":"additional","affiliation":[{"name":"Swiss Children\u2019s Rehab, University Children\u2019s Hospital Zurich, Affoltern am Albis, Switzerland"},{"name":"Children\u2019s Research Center, University Children\u2019s Hospital Zurich, Zurich, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julia","family":"Balzer","sequence":"additional","affiliation":[{"name":"Swiss Children\u2019s Rehab, University Children\u2019s Hospital Zurich, Affoltern am Albis, Switzerland"},{"name":"Children\u2019s Research Center, University Children\u2019s Hospital Zurich, Zurich, Switzerland"},{"name":"Centre for Health, Activity and Rehabilitation Research, Queen Margaret University, Edinburgh, Scotland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jan","family":"Lieber","sequence":"additional","affiliation":[{"name":"Swiss Children\u2019s Rehab, University Children\u2019s Hospital Zurich, Affoltern am Albis, Switzerland"},{"name":"Children\u2019s Research Center, University Children\u2019s Hospital Zurich, Zurich, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9577-5049","authenticated-orcid":false,"given":"Hubertus JA","family":"van Hedel","sequence":"additional","affiliation":[{"name":"Swiss Children\u2019s Rehab, University Children\u2019s Hospital Zurich, Affoltern am Albis, Switzerland"},{"name":"Children\u2019s Research Center, University Children\u2019s Hospital Zurich, Zurich, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2021,4,19]]},"reference":[{"key":"bibr1-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1542\/peds.2005-3016"},{"key":"bibr2-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-8749.2004.tb01021.x"},{"key":"bibr3-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2007.04.002"},{"key":"bibr4-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/118.2.495"},{"key":"bibr5-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-8749.2010.03589.x"},{"key":"bibr6-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1111\/dmcn.13028"},{"key":"bibr7-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-8749.2008.03186.x"},{"key":"bibr8-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1111\/dmcn.12949"},{"key":"bibr9-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1111\/dmcn.13671"},{"key":"bibr10-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1177\/1747493019873519"},{"key":"bibr11-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1111\/dmcn.13417"},{"key":"bibr12-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1016\/j.gaitpost.2011.08.019"},{"key":"bibr13-00368504211008058","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinph.2006.09.022"},{"issue":"2","key":"bibr14-00368504211008058","first-page":"103","volume":"25","author":"Albani 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