{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T08:14:24Z","timestamp":1768983264341,"version":"3.49.0"},"reference-count":34,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2004,10,13]],"date-time":"2004-10-13T00:00:00Z","timestamp":1097625600000},"content-version":"vor","delay-in-days":5248,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Muscle and Nerve"],"published-print":{"date-parts":[[1990,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In a new, typical case of Schwartz\u2013Jampel syndrome (SJS) the origin of the disorder was found to be purely myogenic. Concentric needle EMG showed abundant and persistent spontaneous activity, maximal at insertion, and uninfluenced by local curarization. Single\u2010fiber EMG showed rather stable, sometimes intermittent, discharge series with occasional amplitude and\/or frequency fluctuations. It could be demonstrated that this activity did not consist of complex repetitive discharges, but of independent activity of individual muscle fibers. This contrasts with findings by other investigators that have been published in this journal. <jats:sup>8, 17<\/jats:sup> Light microscopic studies of quadriceps and intercostal muscles showed no abnormalities, whereas electron\u2010microscopic findings were in accordance with earlier studies in SJS. Endplate analysis revealed no specific changes; the postsynaptic stectures gave the impression of an accelerated\u2010maturation.<\/jats:p>","DOI":"10.1002\/mus.880130608","type":"journal-article","created":{"date-parts":[[2005,1,1]],"date-time":"2005-01-01T09:40:11Z","timestamp":1104572411000},"page":"516-527","source":"Crossref","is-referenced-by-count":39,"title":["Schwartz\u2013Jampel syndrome: I. Clinical, electromyographic, and histologic studies"],"prefix":"10.1002","volume":"13","author":[{"given":"Frank","family":"Spaans","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pierre","family":"Theunissen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ad","family":"Reekers","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Leo","family":"Smit","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"suffix":"Mr.","given":"Henk","family":"Veldman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2004,10,13]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/88.2.313"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1001\/archneur.1970.00480230073009"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.19.6.591"},{"key":"e_1_2_1_5_2","first-page":"365","article-title":"The Schwartz\u2010Jampel syndrome (myotonic chondrodystrophy) in the adult","volume":"25","author":"Brown SB","year":"1975","journal-title":"Neurology (Minneapolis)"},{"key":"e_1_2_1_6_2","first-page":"5","article-title":"E. M. G. studies of two family cases of the Schwartz and Jampel syndrome (osteo\u2010chondro\u2010muscular dystrophy with myotonia)","volume":"15","author":"Cadilhac J","year":"1975","journal-title":"Electromyogr Clin Neurophysiol"},{"key":"e_1_2_1_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/0022-510X(78)90001-1"},{"key":"e_1_2_1_8_2","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4684-4259-5_51"},{"key":"e_1_2_1_9_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880070111"},{"key":"e_1_2_1_10_2","first-page":"398","article-title":"Pathological reaction of the Z disk","volume":"147","author":"Engel AG","year":"1967","journal-title":"Excerpta Medica ICS"},{"key":"e_1_2_1_11_2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM197003262821301"},{"key":"e_1_2_1_12_2","doi-asserted-by":"publisher","DOI":"10.1002\/ana.410030115"},{"key":"e_1_2_1_13_2","doi-asserted-by":"publisher","DOI":"10.1159\/000115471"},{"key":"e_1_2_1_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/0022-510X(74)90060-4"},{"key":"e_1_2_1_15_2","first-page":"59","article-title":"Dystrophie osteo\u2010chondro\u2010musculaire de Schwartz\u2010Jampel","volume":"32","author":"Greze J","year":"1975","journal-title":"Arch Franc Ped"},{"key":"e_1_2_1_16_2","doi-asserted-by":"publisher","DOI":"10.1055\/s-0028-1091690"},{"key":"e_1_2_1_17_2","first-page":"945","article-title":"Osteochondro\u2010muscular dystrophy: A disorder manifested by multiple skeletal deformities, myotonia, and dystrophic changes in muscle","volume":"44","author":"Huttenlocher PR","year":"1969","journal-title":"Pediatrics"},{"key":"e_1_2_1_18_2","first-page":"S64","article-title":"Single muscle fiber recordings in the Schwartz\u2010Jampel syndrome","volume":"5","author":"Jablecki C","year":"1982","journal-title":"Muscle Nerve"},{"key":"e_1_2_1_19_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880130609"},{"key":"e_1_2_1_20_2","doi-asserted-by":"publisher","DOI":"10.1083\/jcb.82.3.811"},{"key":"e_1_2_1_21_2","doi-asserted-by":"publisher","DOI":"10.1001\/archpedi.1969.02100030472016"},{"key":"e_1_2_1_22_2","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.41.2.161"},{"key":"e_1_2_1_23_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880010110"},{"key":"e_1_2_1_24_2","first-page":"251","article-title":"Das Syndrom von Schwartz\u2010Jampel (Myotonia chondrodystrophica)","volume":"32","author":"Pfeiffer RA","year":"1977","journal-title":"Helv Paediat Acta"},{"key":"e_1_2_1_25_2","first-page":"170","article-title":"Verlaufsdynamik und Herkunft pseudomyotoner Entladungsserien bei Denervations\u2010syndromen","volume":"3","author":"Ricker K","year":"1972","journal-title":"Z EEG\u2010EMG"},{"key":"e_1_2_1_26_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF00316722"},{"key":"e_1_2_1_27_2","doi-asserted-by":"publisher","DOI":"10.1152\/physrev.1985.65.2.310"},{"key":"e_1_2_1_28_2","first-page":"193","article-title":"Schwartz\u2010Jampel syndrome. Report of a case","volume":"6","author":"Santoro L","year":"1984","journal-title":"Acta Neurol (Naples)"},{"key":"e_1_2_1_29_2","doi-asserted-by":"publisher","DOI":"10.1001\/archopht.1962.00960030056011"},{"key":"e_1_2_1_30_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3476(78)80609-X"},{"key":"e_1_2_1_31_2","doi-asserted-by":"publisher","DOI":"10.1177\/35.5.3549892"},{"key":"e_1_2_1_32_2","doi-asserted-by":"publisher","DOI":"10.1002\/ana.410100524"},{"key":"e_1_2_1_33_2","first-page":"443","volume-title":"Abnormal Nerves and Muscles as Impulse Generators","author":"Stalberg E","year":"1982"},{"key":"e_1_2_1_34_2","doi-asserted-by":"publisher","DOI":"10.1016\/0013-4694(72)90213-1"},{"key":"e_1_2_1_35_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1399-6576.1966.tb01121.x"}],"container-title":["Muscle &amp; Nerve"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fmus.880130608","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/mus.880130608","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,22]],"date-time":"2023-10-22T16:16:59Z","timestamp":1697991419000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/mus.880130608"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1990,6]]},"references-count":34,"journal-issue":{"issue":"6","published-print":{"date-parts":[[1990,6]]}},"alternative-id":["10.1002\/mus.880130608"],"URL":"https:\/\/doi.org\/10.1002\/mus.880130608","archive":["Portico"],"relation":{},"ISSN":["0148-639X","1097-4598"],"issn-type":[{"value":"0148-639X","type":"print"},{"value":"1097-4598","type":"electronic"}],"subject":[],"published":{"date-parts":[[1990,6]]}}}