{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T14:22:55Z","timestamp":1787062975936,"version":"build-2736575974"},"reference-count":57,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2016,6,10]],"date-time":"2016-06-10T00:00:00Z","timestamp":1465516800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100007059","name":"Univerzita Palack\u00e9ho v Olomouci","doi-asserted-by":"publisher","award":["FTK_2014003"],"award-info":[{"award-number":["FTK_2014003"]}],"id":[{"id":"10.13039\/501100007059","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Scandinavian Med Sci Sports"],"published-print":{"date-parts":[[2017,9]]},"abstract":"<jats:p>\n                    Poor neuromuscular control has been proposed as a risk factor for non\u2010contact injuries, thus this study aimed to explore the effects of soccer\u2010specific fatigue on leg muscle activation, reactive strength, leg stiffness, and functional hamstring\/quadriceps ratio (H\/Q\n                    <jats:sub>FUNC<\/jats:sub>\n                    ) in elite male youth soccer players. Outcome measures were determined in 18 youth players (age 14.4\u00a0\u00b1\u00a00.5\u00a0years; stature 169.4\u00a0\u00b1 9.9\u00a0cm; mass 59.3\u00a0\u00b1\u00a08.9\u00a0kg; maturity offset 0.86\u00a0\u00b1\u00a00.88 years) pre and post simulated soccer match play (SAFT\n                    <jats:sup>90<\/jats:sup>\n                    ). There was no fatigue\u2010related change in the H\/Q\n                    <jats:sub>FUNC<\/jats:sub>\n                    ; however, reactive strength and leg stiffness were both compromised (\n                    <jats:italic>P<\/jats:italic>\n                    \u00a0&lt;\u00a00.001) after soccer\u2010specific fatigue. Muscle activation was also locally compromised (\n                    <jats:italic>P<\/jats:italic>\n                    \u00a0&lt;\u00a00.001) in the medial hamstring and quadriceps but not in the lateral muscles. Where statistically significant changes were observed, the effect sizes ranged from small to large (0.33\u20130.97). Compromised stiffness when fatigue is present suggests an increased yielding action, greater ground contact times, greater center of mass displacement, and less efficient movement when the limb comes into contact with the ground. This combined with a reduction in medial quadriceps muscle activation may reflect poor kinetic chain control at the hip and an increase in knee injury risk.\n                  <\/jats:p>","DOI":"10.1111\/sms.12705","type":"journal-article","created":{"date-parts":[[2016,6,10]],"date-time":"2016-06-10T05:50:58Z","timestamp":1465537858000},"page":"975-982","source":"Crossref","is-referenced-by-count":37,"title":["Muscular and neuromuscular control following soccer\u2010specific exercise in male youth: Changes in injury risk mechanisms"],"prefix":"10.1111","volume":"27","author":[{"given":"M.","family":"Lehnert","sequence":"first","affiliation":[{"name":"Faculty of Physical Culture Palack\u00fd University in Olomouc Olomouc Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"De Ste Croix","sequence":"additional","affiliation":[{"name":"Exercise and Sport Research Centre School of Sport and Exercise University of Gloucestershire Gloucester UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Zaatar","sequence":"additional","affiliation":[{"name":"Faculty of Physical Culture Palack\u00fd University in Olomouc Olomouc Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.","family":"Hughes","sequence":"additional","affiliation":[{"name":"Exercise and Sport Research Centre School of Sport and Exercise University of Gloucestershire Gloucester UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"Varekova","sequence":"additional","affiliation":[{"name":"Faculty of Physical Culture Palack\u00fd University in Olomouc Olomouc Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"O.","family":"Lastovicka","sequence":"additional","affiliation":[{"name":"Faculty of Physical Culture Palack\u00fd University in Olomouc Olomouc Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2016,6,10]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0838.2000.010002058.x"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-009-0813-1"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s004210050438"},{"key":"e_1_2_7_5_1","first-page":"274","article-title":"Leg strength and stiffness as ability factors in 100\u00a0m sprint running","volume":"42","author":"Bret C","year":"2002","journal-title":"J Sports Med Phys Fitness"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1136\/bjsm.2005.017822"},{"key":"e_1_2_7_7_1","volume-title":"Statistical power analysis for the behavioral science","author":"Cohen J","year":"1988"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1055\/s-2003-45252"},{"key":"e_1_2_7_9_1","unstructured":"De Ste CroixMBA.Protect her knees \u2013 exploring the role of football specific fatigue on dynamic knee stability in female youth football players. 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