{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T08:52:03Z","timestamp":1769158323323,"version":"3.49.0"},"reference-count":29,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2011,1,25]],"date-time":"2011-01-25T00:00:00Z","timestamp":1295913600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Muscle and Nerve"],"published-print":{"date-parts":[[2011,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Our objective was to establish the usefulness of the noninvasive method of the motor unit number index (MUNIX) in a large muscle and to study how macro electromyography (EMG) and MUNIX complement each other in describing the motor units (MUs) in prior polio. MUNIX and macro EMG were performed in 48 tibialis anterior muscles in 33 prior polio patients. In addition, the reproducibility of MUNIX was investigated. It is shown that MUNIX can be used to characterize MUs with high reproducibility, even in a large muscle. As judged by MUNIX values, the patients had a 25% reduction of motor neurons, whereas the macro EMG indicated a loss of 60% of the neurons. Macro EMG showed more pronounced changes compared with control material than the MUNIX. One of the reasons for this finding may be the difference in MU populations studied with the two methods. Muscle Nerve, 2011<\/jats:p>","DOI":"10.1002\/mus.21878","type":"journal-article","created":{"date-parts":[[2011,1,25]],"date-time":"2011-01-25T16:30:28Z","timestamp":1295973028000},"page":"335-341","source":"Crossref","is-referenced-by-count":26,"title":["Macro electromyography and motor unit number index in the tibialis anterior muscle: Differences and similarities in characterizing motor unit properties in prior polio"],"prefix":"10.1002","volume":"43","author":[{"given":"Arne","family":"Sandberg","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sanjeev D.","family":"Nandedkar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Erik","family":"St\u00e5lberg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2011,1,25]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1615\/CritRevPhysRehabilMed.v7.i2.40"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1001\/archneur.1988.00520300065020"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1749-6632.1995.tb27543.x"},{"key":"e_1_2_6_5_2","doi-asserted-by":"crossref","first-page":"770","DOI":"10.1016\/0003-9993(94)90134-1","article-title":"Predictive factors in post\u2010poliomyelitis syndrome","volume":"75","author":"Trojan DA","year":"1994","journal-title":"Arch Phys Med Rehabil"},{"key":"e_1_2_6_6_2","doi-asserted-by":"crossref","first-page":"151","DOI":"10.2340\/1650197799224151156","article-title":"Torque\u2013velocity relation and muscle fibre characteristics of foot dorsiflexors after long\u2010term overuse of residual muscle fibres due to prior polio of L5 root lesion","volume":"24","author":"Tollb\u00e4ck A","year":"1992","journal-title":"Scand J Rehabil Med"},{"key":"e_1_2_6_7_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880111206"},{"key":"e_1_2_6_8_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880180705"},{"key":"e_1_2_6_9_2","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.43.6.475"},{"key":"e_1_2_6_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1388-2457(99)00150-9"},{"key":"e_1_2_6_11_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880180402"},{"key":"e_1_2_6_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jns.2005.11.011"},{"key":"e_1_2_6_13_2","doi-asserted-by":"publisher","DOI":"10.1109\/TBME.2004.834281"},{"key":"e_1_2_6_14_2","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.45.10.870"},{"key":"e_1_2_6_15_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-201x.2001.00836.x"},{"key":"e_1_2_6_16_2","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.54.3.236"},{"key":"e_1_2_6_17_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2003.08.101"},{"key":"e_1_2_6_18_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880160506"},{"key":"e_1_2_6_19_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880181211"},{"key":"e_1_2_6_20_2","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1097-4598(199910)22:10<1457::AID-MUS18>3.0.CO;2-T"},{"key":"e_1_2_6_21_2","doi-asserted-by":"publisher","DOI":"10.1002\/mus.1028"},{"key":"e_1_2_6_22_2","doi-asserted-by":"crossref","first-page":"868","DOI":"10.1093\/ptj\/73.12.868","article-title":"Motor unit populations in healthy and diseased muscles","volume":"73","author":"McComas AJ","year":"1993","journal-title":"Phys Ther"},{"key":"e_1_2_6_23_2","doi-asserted-by":"publisher","DOI":"10.1016\/0013-4694(83)90006-8"},{"key":"e_1_2_6_24_2","doi-asserted-by":"publisher","DOI":"10.1152\/jn.1965.28.3.560"},{"key":"e_1_2_6_25_2","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1097-4598(199603)19:3<338::AID-MUS9>3.0.CO;2-E"},{"key":"e_1_2_6_26_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00221-009-1898-y"},{"key":"e_1_2_6_27_2","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.37.6.665"},{"key":"e_1_2_6_28_2","first-page":"495","volume-title":"Amyotrophic lateral sclerosis","author":"Dalakas MC"},{"key":"e_1_2_6_29_2","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1097-4598(199811)21:11<1428::AID-MUS10>3.0.CO;2-X"},{"key":"e_1_2_6_30_2","doi-asserted-by":"publisher","DOI":"10.2217\/14796708.3.6.745"}],"container-title":["Muscle &amp; 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