{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T06:06:48Z","timestamp":1791094008728,"version":"4.1.0"},"reference-count":38,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2003,6,13]],"date-time":"2003-06-13T00:00:00Z","timestamp":1055462400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Fonds de la Recherche en Sant\u00e9 du Qu\u00e9bec (FRSQ)"},{"name":"Fonds en r\u00e9adaptation de l'Universit\u00e9 Laval"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2003,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To compare the acromiohumeral distance (AHD) of both shoulders in subjects with a unilateral shoulder impingement syndrome (SIS) and healthy subjects in a seated position during free shoulder movements of large amplitude.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Using a 0.5\u2010Tesla SIGNA\u2010SP\/<jats:italic>i<\/jats:italic>\u2122 open\u2010configuration magnetic resonance imaging (MRI) system, the AHD was measured at several arm positions, in a standardized seated position.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In flexion (rest to 130\u00b0), the mean AHD of SIS varied from 8.3 to 2.8 mm, as compared to from 8.7 to 4.1 mm for asymptomatic contralateral shoulders. In abduction (rest to 110\u00b0), the AHD varied from 8.1 to 3.4 mm and from 8.8 to 4.6 mm for SIS and asymptomatic shoulders, respectively. The smallest AHD (<jats:italic>P<\/jats:italic> &lt; .01) was observed at 110\u00b0. From 80\u00b0 of arm elevation, the AHD was significantly smaller in impingement than in asymptomatic shoulders (<jats:italic>P<\/jats:italic> &lt; .05). The AHD of asymptomatic shoulders did not differ from that of healthy subjects. In SIS, the AHD at rest was correlated with its reduction at all shoulder positions (r<jats:sub>p<\/jats:sub> = 0.62\u20130.88), but was a poor predictor of the smallest AHD observed at 110\u00b0 (flexion, R<jats:sup>2<\/jats:sup> = 0.09; abduction, R<jats:sup>2<\/jats:sup> = 0.08).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>In the critical arm elevation positions for impingement, AHD is discriminative for SIS, compared to asymptomatic shoulders and healthy ones. AHD at rest is a good indicator of the magnitude of its reduction in elevation, but not of the smallest AHD in arm elevation. J. Magn. Reson. Imaging 2003;18:72\u201379. \u00a9 2003 Wiley\u2010Liss, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmri.10327","type":"journal-article","created":{"date-parts":[[2003,6,16]],"date-time":"2003-06-16T10:13:16Z","timestamp":1055758396000},"page":"72-79","source":"Crossref","is-referenced-by-count":76,"title":["Acromiohumeral distance in a seated position in persons with impingement syndrome"],"prefix":"10.1002","volume":"18","author":[{"given":"Luc J.","family":"H\u00e9bert","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H\u00e9l\u00e8ne","family":"Moffet","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marie","family":"Dufour","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christian","family":"Moisan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2003,6,13]]},"reference":[{"key":"e_1_2_7_2_2","doi-asserted-by":"crossref","first-page":"540","DOI":"10.1302\/0301-620X.52B3.540","article-title":"The microvascular pattern of the rotator cuff","volume":"52","author":"Rathburn JB","year":"1970","journal-title":"J Bone Joint Surg [Br]"},{"key":"e_1_2_7_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1058-2746(98)90026-X"},{"key":"e_1_2_7_4_2","doi-asserted-by":"publisher","DOI":"10.1080\/02841859709172127"},{"key":"e_1_2_7_5_2","doi-asserted-by":"publisher","DOI":"10.2214\/ajr.167.6.8956588"},{"key":"e_1_2_7_6_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-198668080-00002"},{"key":"e_1_2_7_7_2","first-page":"70","article-title":"Impingement lesions","volume":"173","author":"Neer CS","year":"1983","journal-title":"Clin Orthop"},{"key":"e_1_2_7_8_2","doi-asserted-by":"publisher","DOI":"10.3109\/17453678408992312"},{"key":"e_1_2_7_9_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-199803000-00018"},{"key":"e_1_2_7_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0030-5898(05)70306-0"},{"key":"e_1_2_7_11_2","first-page":"61","article-title":"Degenerative change and rotator cuff tears","volume":"112","author":"Hijioka A","year":"1993","journal-title":"An anatomical study in 160 shoulders of 80 cadavers. 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