{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T09:25:18Z","timestamp":1792661118650,"version":"4.5.0"},"reference-count":0,"publisher":"Human Kinetics","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016,7]]},"abstract":"<jats:sec sec-type=\"purpose\"><jats:title>Purpose:<\/jats:title><jats:p>Passive muscle tension is increased after damaging eccentric exercise. Hamstring-strain injury is associated with damaging eccentric muscle actions, but no research has examined changes in hamstring passive muscle tension throughout a simulated sport activity. The authors measured hamstring passive tension throughout a 90-min simulated soccer match (SAFT<jats:sup>90<\/jats:sup>), including the warm-up period and every 15 min throughout the 90-min simulation.<\/jats:p><\/jats:sec><jats:sec sec-type=\"methods\"><jats:title>Methods:<\/jats:title><jats:p>Passive hamstring tension of 15 amateur male soccer players was measured using the instrumented straight-leg-raise test. Absolute torque (Nm) and slope (Nm\/\u00b0) of the recorded torque-angular position curve were used for data analysis, in addition to total leg range of motion (ROM). Players performed a 15-min prematch warm-up, then performed the SAFT<jats:sup>90<\/jats:sup> including a 15-min halftime rest period.<\/jats:p><\/jats:sec><jats:sec sec-type=\"results\"><jats:title>Results:<\/jats:title><jats:p>Reductions in passive stiffness of 20\u201350\u00b0 of passive hip flexion of 22.1\u221229.2% (<jats:italic>P<\/jats:italic> &lt; .05) were observed after the warm-up period. During the SAFT<jats:sup>90<\/jats:sup>, passive tension increased in the latter 20% of the range of motion of 10.1\u221210.9% (<jats:italic>P<\/jats:italic> &lt; .05) concomitant to a 4.5% increase in total hamstring ROM (<jats:italic>P<\/jats:italic> = .0009).<\/jats:p><\/jats:sec><jats:sec sec-type=\"conclusions\"><jats:title>Conclusions:<\/jats:title><jats:p>The findings of this study imply that hamstring passive tension is reduced after an active warm-up that includes dynamic stretching but does not increase in a pattern suggestive of eccentric induced muscle damage during soccer-specific intermittent exercise. Hamstring ROM and passive tension increases are best explained by improved stretch tolerance.<\/jats:p><\/jats:sec>","DOI":"10.1123\/ijspp.2015-0009","type":"journal-article","created":{"date-parts":[[2015,10,9]],"date-time":"2015-10-09T15:53:10Z","timestamp":1444405990000},"page":"594-601","source":"Crossref","is-referenced-by-count":16,"title":["Changes in Passive Tension of the Hamstring Muscles During a Simulated Soccer Match"],"prefix":"10.1123","volume":"11","author":[{"given":"Paul W.M.","family":"Marshall","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ric","family":"Lovell","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason C.","family":"Siegler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"100","container-title":["International Journal of Sports Physiology and Performance"],"original-title":[],"link":[{"URL":"https:\/\/journals.humankinetics.com\/view\/journals\/ijspp\/11\/5\/article-p594.xml","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.humankinetics.com\/downloadpdf\/journals\/ijspp\/11\/5\/article-p594.xml","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,5,19]],"date-time":"2022-05-19T18:36:30Z","timestamp":1652985390000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.humankinetics.com\/view\/journals\/ijspp\/11\/5\/article-p594.xml"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016,7]]},"references-count":0,"journal-issue":{"issue":"5"},"URL":"https:\/\/doi.org\/10.1123\/ijspp.2015-0009","relation":{},"ISSN":["1555-0265","1555-0273"],"issn-type":[{"value":"1555-0265","type":"print"},{"value":"1555-0273","type":"electronic"}],"subject":[],"published":{"date-parts":[[2016,7]]}}}