{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T16:00:23Z","timestamp":1790784023535,"version":"4.1.0"},"reference-count":46,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2015,6,9]],"date-time":"2015-06-09T00:00:00Z","timestamp":1433808000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100009065","name":"Centre of Excellence and Applied Sport Science Research, Queensland Academy of Sport","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100009065","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Scandinavian Med Sci Sports"],"published-print":{"date-parts":[[2016,6]]},"abstract":"<jats:p>This study aimed to determine: (a) the spatial patterns of hamstring activation during the <jats:styled-content style=\"fixed-case\">N<\/jats:styled-content>ordic hamstring exercise (<jats:styled-content style=\"fixed-case\">NHE<\/jats:styled-content>); (b) whether previously injured hamstrings display activation deficits during the <jats:styled-content style=\"fixed-case\">NHE<\/jats:styled-content>; and (c) whether previously injured hamstrings exhibit altered cross\u2010sectional area (<jats:styled-content style=\"fixed-case\">CSA<\/jats:styled-content>). Ten healthy, recreationally active men with a history of unilateral hamstring strain injury underwent functional magnetic resonance imaging of their thighs before and after six sets of 10 repetitions of the <jats:styled-content style=\"fixed-case\">NHE<\/jats:styled-content>. Transverse (<jats:styled-content style=\"fixed-case\">T<\/jats:styled-content>2) relaxation times of all hamstring muscles [biceps femoris long head (<jats:styled-content style=\"fixed-case\">BF<\/jats:styled-content>lh); biceps femoris short head (<jats:styled-content style=\"fixed-case\">BF<\/jats:styled-content>sh); semitendinosus (<jats:styled-content style=\"fixed-case\">ST<\/jats:styled-content>); semimembranosus (<jats:styled-content style=\"fixed-case\">SM<\/jats:styled-content>)] were measured at rest and immediately after the <jats:styled-content style=\"fixed-case\">NHE<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">CSA<\/jats:styled-content> was measured at rest. For the uninjured limb, the <jats:styled-content style=\"fixed-case\">ST<\/jats:styled-content>'s percentage increase in <jats:styled-content style=\"fixed-case\">T<\/jats:styled-content>2 with exercise was 16.8%, 15.8%, and 20.2% greater than the increases exhibited by the <jats:styled-content style=\"fixed-case\">BF<\/jats:styled-content>lh, <jats:styled-content style=\"fixed-case\">BF<\/jats:styled-content>sh, and <jats:styled-content style=\"fixed-case\">SM<\/jats:styled-content>, respectively (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.002 for all). Previously injured hamstring muscles (<jats:italic>n<\/jats:italic>\u2009=\u200910) displayed significantly smaller increases in <jats:styled-content style=\"fixed-case\">T<\/jats:styled-content>2 post\u2010exercise than the homonymous muscles in the uninjured contralateral limb (mean difference \u22127.2%, <jats:italic>P<\/jats:italic>\u2009=\u20090.001). No muscles displayed significant between\u2010limb differences in <jats:styled-content style=\"fixed-case\">CSA<\/jats:styled-content>. During the <jats:styled-content style=\"fixed-case\">NHE<\/jats:styled-content>, the <jats:styled-content style=\"fixed-case\">ST<\/jats:styled-content> is preferentially activated and previously injured hamstring muscles display chronic activation deficits compared with uninjured contralateral muscles.<\/jats:p>","DOI":"10.1111\/sms.12494","type":"journal-article","created":{"date-parts":[[2015,6,11]],"date-time":"2015-06-11T05:42:15Z","timestamp":1434001335000},"page":"666-674","source":"Crossref","is-referenced-by-count":84,"title":["Muscle activation patterns in the <scp>N<\/scp>ordic hamstring exercise: Impact of prior strain injury"],"prefix":"10.1111","volume":"26","author":[{"given":"M. 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