{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,14]],"date-time":"2026-03-14T00:35:02Z","timestamp":1773448502209,"version":"3.50.1"},"reference-count":16,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2019,10,21]],"date-time":"2019-10-21T00:00:00Z","timestamp":1571616000000},"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":["Muscle and Nerve"],"published-print":{"date-parts":[[2020,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The abduction range of the little finger in the long exercise test (ET) has rarely been reported in patients with hypokalemic periodic paralysis (HypoPP) during inter\u2010attack periods, and the diagnostic value requires clarification.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The long ET was performed in 43 HypoPP patients during inter\u2010attack periods and in 20 healthy controls (HCs). The compound muscle action potential (CMAP) and the abduction range of the little finger were recorded concurrently.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There were significant differences in the percent changes of the CMAP amplitudes and the abduction ranges after exercise between HypoPP patients and the HCs. The curve of percent changes in abduction ranges overlapped substantially with that of the CMAP amplitudes, and the sensitivity, specificity, and cutoff values were 0.860, 0.900, and 22.6%, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The abduction range of the little finger can serve as a novel parameter in the long ET for the diagnosis of HypoPP during inter\u2010attack periods.<\/jats:p><\/jats:sec>","DOI":"10.1002\/mus.26721","type":"journal-article","created":{"date-parts":[[2019,10,6]],"date-time":"2019-10-06T08:20:25Z","timestamp":1570350025000},"page":"104-107","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Abduction range: A potential parameter for the long exercise test in hypokalemic periodic paralysis during inter\u2010attack periods"],"prefix":"10.1002","volume":"61","author":[{"given":"Lei","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Neurology Peking Union Medical College Hospital, Chinese Academy of Medical Sciences  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jingwen","family":"Niu","sequence":"additional","affiliation":[{"name":"Department of Neurology Peking Union Medical College Hospital, Chinese Academy of Medical Sciences  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Neurology Peking Union Medical College Hospital, Chinese Academy of Medical Sciences  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuzhou","family":"Guan","sequence":"additional","affiliation":[{"name":"Department of Neurology Peking Union Medical College Hospital, Chinese Academy of Medical Sciences  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Liying","family":"Cui","sequence":"additional","affiliation":[{"name":"Department of Neurology Peking Union Medical College Hospital, Chinese Academy of Medical Sciences  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mingsheng","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Neurology Peking Union Medical College Hospital, Chinese Academy of Medical Sciences  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2019,10,21]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1097\/00019052-199510000-00014"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1212\/01.WNL.0000143383.91137.00"},{"issue":"6","key":"e_1_2_8_4_1","first-page":"1598","article-title":"Muscle channelopathies: the nondystrophic myotonias and periodic paralyses","volume":"19","author":"Statland JM","year":"2013","journal-title":"Continuum (Minneap Minn)."},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.26009"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880060303"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/113.6.1873"},{"issue":"2","key":"e_1_2_8_8_1","first-page":"126","article-title":"The impact of permanent muscle weakness on quality of life in periodic paralysis: a survey of 66 patients","volume":"31","author":"Cavel\u2010Greant D","year":"2012","journal-title":"Acta Myol."},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1468-1331.2012.03751.x"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.0000000000002416"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/s40265-016-0559-2"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880090805"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880180418"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/1097-4598(200007)23:7<1089::AID-MUS12>3.0.CO;2-Q"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1097\/WNP.0000000000000405"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.2003.013870"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.2165\/00007256-200939050-00005"}],"container-title":["Muscle &amp; 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