{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T14:14:38Z","timestamp":1791296078869,"version":"4.1.0"},"reference-count":28,"publisher":"Elsevier BV","issue":"12","license":[{"start":{"date-parts":[[2012,12,1]],"date-time":"2012-12-01T00:00:00Z","timestamp":1354320000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2012,12,1]],"date-time":"2012-12-01T00:00:00Z","timestamp":1354320000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","nmd-journal.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Neuromuscular Disorders"],"published-print":{"date-parts":[[2012,12]]},"DOI":"10.1016\/j.nmd.2012.06.352","type":"journal-article","created":{"date-parts":[[2012,11,2]],"date-time":"2012-11-02T23:46:27Z","timestamp":1351899987000},"page":"1069-1074","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":33,"title":["Change in muscle strength over time in spinal muscular atrophy types II and III. A long-term follow-up study"],"prefix":"10.1016","volume":"22","author":[{"given":"U.","family":"Werlauff","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.","family":"Vissing","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B.F.","family":"Steffensen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.nmd.2012.06.352_b0005","first-page":"358","article-title":"Mildly affected patients with spinal muscular atrophy are partially protected by an increased SMN2 copy number","volume":"70","author":"Wirth","year":"2002","journal-title":"Hum Genet"},{"key":"10.1016\/j.nmd.2012.06.352_b0010","doi-asserted-by":"crossref","first-page":"423","DOI":"10.1016\/S0960-8966(06)80015-5","article-title":"International SMA consortium meeting report","volume":"2","author":"Munsat","year":"1992","journal-title":"Neuromuscul Disord"},{"key":"10.1016\/j.nmd.2012.06.352_b0015","doi-asserted-by":"crossref","first-page":"518","DOI":"10.1001\/archneur.1995.00540290108025","article-title":"Natural history in proximal spinal muscular atrophy. Clinical analysis of 445 patients and suggestion for a modification of existing classifications","volume":"52","author":"Zerres","year":"1995","journal-title":"Arch Neurol"},{"key":"10.1016\/j.nmd.2012.06.352_b0020","doi-asserted-by":"crossref","first-page":"973","DOI":"10.1212\/WNL.47.4.973","article-title":"Function changes in spinal muscular atrophy II and III. The DCN\/SMA group","volume":"47","author":"Russman","year":"1996","journal-title":"Neurology"},{"key":"10.1016\/j.nmd.2012.06.352_b0025","doi-asserted-by":"crossref","first-page":"704","DOI":"10.1002\/ana.20473","article-title":"Natural history of denervation in SMA. Relation to age, SMN2 copy number and function","volume":"57","author":"Swoboda","year":"2005","journal-title":"Ann Neurol"},{"key":"10.1016\/j.nmd.2012.06.352_b0030","series-title":"Aids to the investigation of peripheral nerve injuries","author":"Medical Research Council","year":"1976"},{"key":"10.1016\/j.nmd.2012.06.352_b0035","doi-asserted-by":"crossref","first-page":"34","DOI":"10.1016\/j.nmd.2009.11.008","article-title":"Physical characteristics and applicability of standard assessment methods in a total population of spinal muscular atrophy type II patients","volume":"1","author":"Werlauff","year":"2010","journal-title":"Neuromuscul Disord"},{"key":"10.1016\/j.nmd.2012.06.352_b0040","doi-asserted-by":"crossref","first-page":"150","DOI":"10.1097\/00002060-199509001-00009","article-title":"Profiles of neuromuscular diseases: spinal muscular atrophy","volume":"74","author":"Carter","year":"1995","journal-title":"Am J Phys Med Rehabil"},{"key":"10.1016\/j.nmd.2012.06.352_b0045","doi-asserted-by":"crossref","first-page":"623","DOI":"10.1111\/j.1469-8749.2002.tb00847.x","article-title":"Physical capacity in non-ambulatory people with Duchenne muscular dystrophy or spinal muscular atrophy: a longitudinal study","volume":"44","author":"Steffensen","year":"2002","journal-title":"Dev Med Child Neurol"},{"key":"10.1016\/j.nmd.2012.06.352_b0050","doi-asserted-by":"crossref","first-page":"644","DOI":"10.1212\/01.wnl.0000324623.89105.c4","article-title":"Natural history of SMA IIIb. Muscle strength decreases in a predictable sequence and magnitude","volume":"71","author":"Deymeer","year":"2008","journal-title":"Neurology"},{"key":"10.1016\/j.nmd.2012.06.352_b0055","doi-asserted-by":"crossref","first-page":"419","DOI":"10.1016\/S0960-8966(96)00379-3","article-title":"Clinical and genetic study of chronic (types II and III) childhood onset spinal muscular atrophy","volume":"6","author":"Souchon","year":"1996","journal-title":"Neuromuscul Disord"},{"key":"10.1016\/j.nmd.2012.06.352_b0060","doi-asserted-by":"crossref","first-page":"548","DOI":"10.1002\/mus.20018","article-title":"Motor function\u2013muscle strength relationship in spinal muscular atrophy","volume":"29","author":"Merlini","year":"2004","journal-title":"Muscle Nerve"},{"key":"10.1016\/j.nmd.2012.06.352_b0065","doi-asserted-by":"crossref","first-page":"97","DOI":"10.1177\/088307380001500207","article-title":"Prospective analysis of strength in spinal muscular atrophy. DCN\/Spinal Muscular Atrophy Group","volume":"15","author":"Iannaccone","year":"2000","journal-title":"J Child Neurol"},{"key":"10.1016\/j.nmd.2012.06.352_b0070","doi-asserted-by":"crossref","first-page":"779","DOI":"10.1001\/archneurol.2010.373","article-title":"Observational study of spinal muscular atrophy type 2 and 3: functional outcomes over 1 year","volume":"68","author":"Kaufman","year":"2011","journal-title":"Arch Neurol"},{"key":"10.1016\/j.nmd.2012.06.352_b0075","doi-asserted-by":"crossref","first-page":"653","DOI":"10.1016\/j.pmr.2008.04.006","article-title":"Clinical trials in spinal muscular atrophy","volume":"19","author":"Kaufmann","year":"2008","journal-title":"Phys Med Rehabil Clin N Am"},{"issue":"3","key":"10.1016\/j.nmd.2012.06.352_b0080","doi-asserted-by":"crossref","first-page":"779","DOI":"10.1378\/chest.108.3.779","article-title":"Indicators of need for mechanical ventilation in Duchenne muscular dystrophy and spinal muscular atrophy","volume":"108","author":"Lyager","year":"1995","journal-title":"Chest"},{"key":"10.1016\/j.nmd.2012.06.352_b0085","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1002\/pri.221","article-title":"Validity of the EK scale: a functional assessment of non-ambulatory individuals with Duchenne muscular dystrophy or spinal muscular atrophy","volume":"6","author":"Steffensen","year":"2001","journal-title":"Physiother Res Int"},{"key":"10.1016\/j.nmd.2012.06.352_b0090","doi-asserted-by":"crossref","first-page":"186","DOI":"10.1002\/mus.880040304","article-title":"Clinical trial in Duchenne muscular dystrophy: I. The design of the protocol","volume":"4","author":"Brooke","year":"1981","journal-title":"Muscle Nerve"},{"key":"10.1016\/j.nmd.2012.06.352_b0095","doi-asserted-by":"crossref","first-page":"291","DOI":"10.1002\/mus.880050405","article-title":"Quantitation of muscle function in children: a prospective study in Duchenne muscular dystrophy","volume":"5","author":"Scott","year":"1982","journal-title":"Muscle Nerve"},{"issue":"1","key":"10.1016\/j.nmd.2012.06.352_b0100","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1093\/biomet\/73.1.13","article-title":"Longitudinal data analysis using generalized linear models","volume":"73","author":"Liang","year":"1996","journal-title":"Biometrika"},{"key":"10.1016\/j.nmd.2012.06.352_b0105","doi-asserted-by":"crossref","first-page":"787","DOI":"10.1002\/mus.1070","article-title":"Clinical evaluator reliability for quantitative and manual muscle testing measures of strength in children","volume":"24","author":"Escolar","year":"2001","journal-title":"Muscle Nerve"},{"key":"10.1016\/j.nmd.2012.06.352_b0110","doi-asserted-by":"crossref","first-page":"115","DOI":"10.1093\/ptj\/72.2.115","article-title":"Intrarater reliability of manual muscle test (Medical Research Council scale) grades in Duchenne\u2019s muscular dystrophy","volume":"72","author":"Florence","year":"1992","journal-title":"Phys Ther"},{"key":"10.1016\/j.nmd.2012.06.352_b0115","doi-asserted-by":"crossref","first-page":"M82","DOI":"10.1093\/geronj\/45.3.M82","article-title":"The role of muscle loss in the age-related decline of grip strength: cross-sectional and longitudinal perspectives","volume":"45","author":"Kallman","year":"1990","journal-title":"J Gerontol"},{"key":"10.1016\/j.nmd.2012.06.352_b0120","doi-asserted-by":"crossref","first-page":"81","DOI":"10.1152\/jappl.2000.89.1.81","article-title":"Skeletal muscle mass and distribution in 468 men and women aged 18\u201388yr","volume":"89","author":"Janssen","year":"2000","journal-title":"J Appl Physiol"},{"key":"10.1016\/j.nmd.2012.06.352_b0125","doi-asserted-by":"crossref","first-page":"431","DOI":"10.1016\/j.arr.2010.05.005","article-title":"Patterns of muscle strength loss with age in the general population and patients with a chronic inflammatory state","volume":"9","author":"Beenakker","year":"2010","journal-title":"Ageing Res Rev"},{"key":"10.1016\/j.nmd.2012.06.352_b0130","doi-asserted-by":"crossref","first-page":"44","DOI":"10.1080\/01942630802574858","article-title":"Inter-tester reliability and precision of manual muscle testing and hand-held dynamometry in lower limb muscles of children with spina bifida","volume":"29","author":"Mahony","year":"2009","journal-title":"Phys Occup Ther Pediatr"},{"key":"10.1016\/j.nmd.2012.06.352_b0135","first-page":"CD006282","article-title":"Drug treatment for spinal muscular atrophy types II and III","volume":"1","author":"Bosboom","year":"2009","journal-title":"Cochrane Database Syst Rev"},{"key":"10.1016\/j.nmd.2012.06.352_b0140","doi-asserted-by":"crossref","first-page":"406","DOI":"10.1016\/j.nmd.2011.02.014","article-title":"Assessing upper limb function in nonambulant SMA patients: development of a new module","volume":"6","author":"Mazzone","year":"2011","journal-title":"Neuromuscul Disord"}],"container-title":["Neuromuscular Disorders"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0960896612005342?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0960896612005342?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,18]],"date-time":"2025-10-18T08:00:22Z","timestamp":1760774422000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0960896612005342"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,12]]},"references-count":28,"journal-issue":{"issue":"12","published-print":{"date-parts":[[2012,12]]}},"alternative-id":["S0960896612005342"],"URL":"https:\/\/doi.org\/10.1016\/j.nmd.2012.06.352","relation":{},"ISSN":["0960-8966"],"issn-type":[{"value":"0960-8966","type":"print"}],"subject":[],"published":{"date-parts":[[2012,12]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Change in muscle strength over time in spinal muscular atrophy types II and III. A long-term follow-up study","name":"articletitle","label":"Article Title"},{"value":"Neuromuscular Disorders","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.nmd.2012.06.352","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2012 Elsevier B.V. All rights reserved.","name":"copyright","label":"Copyright"}]}}