{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T13:17:31Z","timestamp":1774963051205,"version":"3.50.1"},"reference-count":41,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2018,5,30]],"date-time":"2018-05-30T00:00:00Z","timestamp":1527638400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Research Intellect Disabil"],"published-print":{"date-parts":[[2018,11]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>A feasible and reliable instrument to measure strength in persons with severe intellectual and visual disabilities (<jats:styled-content style=\"fixed-case\">SIVD<\/jats:styled-content>) is lacking. The aim of our study was to determine feasibility, learning period and reliability of three strength tests.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Twenty\u2010nine participants with <jats:styled-content style=\"fixed-case\">SIVD<\/jats:styled-content> performed the Minimum Sit\u2010to\u2010Stand Height test (<jats:styled-content style=\"fixed-case\">MSST<\/jats:styled-content>), the Leg Extension test (<jats:styled-content style=\"fixed-case\">LE<\/jats:styled-content>) and the 30\u00a0seconds Chair\u2010Stand test (30s<jats:styled-content style=\"fixed-case\">CS<\/jats:styled-content>), once per week for 5\u00a0weeks. Feasibility was determined by the percentage of successful measurements; learning effect by using paired <jats:italic>t<\/jats:italic> test between two consecutive measurements; test\u2013retest reliability by intraclass correlation coefficient and Limits of Agreement and, correlations by Pearson correlations.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A sufficient feasibility and learning period of the tests was shown. The methods had sufficient test\u2013retest reliability and moderate\u2010to\u2010sufficient correlations.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The <jats:styled-content style=\"fixed-case\">MSST<\/jats:styled-content>, the <jats:styled-content style=\"fixed-case\">LE<\/jats:styled-content>, and the 30s<jats:styled-content style=\"fixed-case\">CS<\/jats:styled-content> are feasible tests for measuring muscle strength in persons with <jats:styled-content style=\"fixed-case\">SIVD<\/jats:styled-content>, having sufficient test re\u2010test reliability.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jar.12468","type":"journal-article","created":{"date-parts":[[2018,5,30]],"date-time":"2018-05-30T10:46:01Z","timestamp":1527677161000},"page":"1083-1090","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Measuring Quadriceps strength in adults with severe or moderate intellectual and visual disabilities: Feasibility and reliability"],"prefix":"10.1111","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4095-5947","authenticated-orcid":false,"given":"Annemarie","family":"Dijkhuizen","sequence":"first","affiliation":[{"name":"Research Group Healthy Aging Allied Health Care and Nursing Hanze University Groningen University of Applied Sciences Groningen  The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rob K.","family":"Douma","sequence":"additional","affiliation":[{"name":"Research Group Healthy Aging Allied Health Care and Nursing Hanze University Groningen University of Applied Sciences Groningen  The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wim P.","family":"Krijnen","sequence":"additional","affiliation":[{"name":"Research Group Healthy Aging Allied Health Care and Nursing Hanze University Groningen University of Applied Sciences Groningen  The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cees P.","family":"van der Schans","sequence":"additional","affiliation":[{"name":"Research Group Healthy Aging Allied Health Care and Nursing Hanze University Groningen University of Applied Sciences Groningen  The Netherlands"},{"name":"Department of Rehabilitation Medicine University Medical Center Groningen  The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aly","family":"Waninge","sequence":"additional","affiliation":[{"name":"Research Group Healthy Aging Allied Health Care and Nursing Hanze University Groningen University of Applied Sciences Groningen  The Netherlands"},{"name":"Centre of Expertise for Blind and Partially Sighted People Royal Dutch Visio  Haren The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2018,5,30]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.2466\/pms.1999.88.3.849"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1042\/cs0820321"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(86)90837-8"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1093\/ptj\/67.6.931"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1748-1716.2006.01613.x"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ridd.2013.09.025"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1249\/00005768-199404000-00006"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1177\/0269215511407221"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.archger.2011.06.032"},{"key":"e_1_2_7_11_1","volume-title":"Statistical power analysis for the behavioural sciences","author":"Cohen J.","year":"1988"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1519\/00139143-200312000-00004"},{"key":"e_1_2_7_13_1","unstructured":"Dutch Society for Doctors in the Care for people with an Intellectual Disability (NVAZ)(1999)Resistance among people with an intellectual disability in the framework of the Act Governing Medical\u2010Scientific Research Involving Humans behavioural code for doctors in the assessment of resistance among people with an intellectual disability."},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ridd.2012.08.014"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1519\/JSC.0b013e318220db2c"},{"key":"e_1_2_7_16_1","volume-title":"Gross motor function classification system (Dutch translation)","author":"Gorter J. 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