{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T17:26:43Z","timestamp":1791221203800,"version":"4.1.0"},"reference-count":38,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2014,8,18]],"date-time":"2014-08-18T00:00:00Z","timestamp":1408320000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"NIH"},{"DOI":"10.13039\/100000069","name":"NIAMS","doi-asserted-by":"crossref","award":["R01 AR40857"],"award-info":[{"award-number":["R01 AR40857"]}],"id":[{"id":"10.13039\/100000069","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001804","name":"Canada Research Chairs Program","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100001804","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100003128","name":"Finnish Work Environment Fund","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100003128","id-type":"DOI","asserted-by":"crossref"}]},{"name":"European Union Community's Seventh Framework Programme","award":["HEALTH F2-2008-201626"],"award-info":[{"award-number":["HEALTH F2-2008-201626"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Scandinavian Med Sci Sports"],"published-print":{"date-parts":[[2015,12]]},"abstract":"<jats:p>This longitudinal study aimed to clarify the longstanding controversy over whether variations in paraspinal muscle morphology (e.g., size, composition and asymmetry) are predictors of low back pain (<jats:styled-content style=\"fixed-case\">LBP<\/jats:styled-content>). A sample of 99 <jats:styled-content style=\"fixed-case\">F<\/jats:styled-content>innish men were included in this population\u2010based longitudinal study. Data were collected through a structured interview, physical examination and magnetic resonance imaging (<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content>). Baseline measurements of the lumbar multifidus and erector spinae muscles were obtained from <jats:styled-content style=\"fixed-case\">T<\/jats:styled-content>2\u2010weighted axial images at <jats:styled-content style=\"fixed-case\">L<\/jats:styled-content>3\u2013<jats:styled-content style=\"fixed-case\">L<\/jats:styled-content>4 and <jats:styled-content style=\"fixed-case\">L<\/jats:styled-content>5\u2013<jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>1, and interview data were obtained at baseline, 1\u2010 and 15\u2010year follow\u2010ups. Few of the paraspinal muscle parameters investigated were predictors of change in <jats:styled-content style=\"fixed-case\">LBP<\/jats:styled-content> frequency, intensity or sciatica at 1\u2010 and 15\u2010year follow\u2010ups in the population\u2010based sample, and findings were not consistent across muscles and spinal levels. However, greater multifidus and erector spinae fatty infiltration at <jats:styled-content style=\"fixed-case\">L<\/jats:styled-content>5\u2013<jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>1 was associated with a higher risk of having continued, frequent, persistent <jats:styled-content style=\"fixed-case\">LBP<\/jats:styled-content> at 1\u2010year follow\u2010up. None of the relationships observed was confounded by body mass index or the amount of physical activity at work or leisure. This longitudinal study provided evidence that variations in paraspinal muscle morphology on <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> have a limited, if not uncertain, role in the short\u2010 and long\u2010term predictions of <jats:styled-content style=\"fixed-case\">LBP<\/jats:styled-content> in men.<\/jats:p>","DOI":"10.1111\/sms.12301","type":"journal-article","created":{"date-parts":[[2014,8,19]],"date-time":"2014-08-19T03:22:57Z","timestamp":1408418577000},"page":"880-887","source":"Crossref","is-referenced-by-count":70,"title":["Do variations in paraspinal muscle morphology and composition predict low back pain in men?"],"prefix":"10.1111","volume":"25","author":[{"given":"M.","family":"Fortin","sequence":"first","affiliation":[{"name":"Faculty of Rehabilitation Medicine University of Alberta  Edmonton Alberta Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L. 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