{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T18:11:38Z","timestamp":1772993498878,"version":"3.50.1"},"reference-count":33,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T00:00:00Z","timestamp":1761523200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T00:00:00Z","timestamp":1761523200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["esskajournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>Finding prognostic factors for a subsequent injury after an anterior cruciate ligament (ACL) reconstruction.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We re\u2010analysed the data of two intervention studies on adults with a hamstrings or quadriceps tendon ACL reconstruction. All participants were prospectively monitored for 24 months. At the end of the individual postsurgery rehabilitation, numerous self\u2010reported and objective functional outcomes were quantified, all potential secondary injuries (primary outcome was the occurrence of secondary ipsi\u2010 or contralateral ACL injuries) and all rehabilitation and training measures were prospectively monitored. The association of potential factors with a secondary injury risk was determined using logistic mixed models.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      We included 148 participants (mean age 25.3 years [standard deviation 5.1 years], 63 females). Eight participants had a subsequent ACL injury, among them seven ispilateral and one contralateral side ACL rupture. The final model for the likelihood of a subsequent ACL injury led to a sensitivity (correctly classified participants who had a subsequent ACL injury) of 83.3% and to a specificity (correctly identified participants without who did not have a subsequent ACL injury) of 100% (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200993). The main contributing factors to subsequent ACL or any subsequent other injuries were: higher kinesiophobia values (odds ratio [OR]\u2009=\u20092.0, 95% confidence interval [CI]\u2009=\u20091.1\u20133.4), higher knee loading levels during activity (Tegner activity scale, OR\u2009=\u200929, 95% CI: 1.1\u2013791), lower performance levels at the Balance front hop (OR\u2009=\u20090.13, 95% CI: 0.03\u20130.52), and higher dynamic valgus (knee separation distance in the frontal plane) during the landing of a drop jump landing (OR\u2009=\u20090.80, 95% CI: 0.65\u20130.98).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Most of the predictive factors for a second subsequent injury after an ACL reconstruction are modifiable by adequate training and rehabilitation measures. The modification of these factors might decrease the secondary risk of injury risk.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level II, a prospective cohort study.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ksa.70104","type":"journal-article","created":{"date-parts":[[2025,10,28]],"date-time":"2025-10-28T13:20:01Z","timestamp":1761657601000},"page":"338-350","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Jump performance and hop function, kinesiophobia and return to sports are important prognostic factors for a subsequent injury after an anterior cruciate ligament reconstruction: A 2\u2010year follow\u2010up cohort study"],"prefix":"10.1002","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7690-5418","authenticated-orcid":false,"given":"Daniel","family":"Niederer","sequence":"first","affiliation":[{"name":"Institute of Occupational, Social and Environmental Medicine Goethe University Frankfurt Frankfurt am Main Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matthias","family":"Keller","sequence":"additional","affiliation":[{"name":"OSINSTITUT Ortho &amp; Sport Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wolf","family":"Petersen","sequence":"additional","affiliation":[{"name":"Klinik f\u00fcr Orthop\u00e4die und Unfallchirurgie Berlin Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karl\u2010Friedrich","family":"Sch\u00fcttler","sequence":"additional","affiliation":[{"name":"Orthopaedicum Lich Giessen Gie\u00dfen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Turgay","family":"Efe","sequence":"additional","affiliation":[{"name":"Orthopaedicum Lich Giessen Gie\u00dfen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tobias","family":"Engeroff","sequence":"additional","affiliation":[{"name":"Institute of Occupational, Social and Environmental Medicine Goethe University Frankfurt Frankfurt am Main Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David A.","family":"Groneberg","sequence":"additional","affiliation":[{"name":"Institute of Occupational, Social and Environmental Medicine Goethe University Frankfurt Frankfurt am Main Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christine","family":"Heinrich","sequence":"additional","affiliation":[{"name":"Department of Sports Medicine and Exercise Physiology Goethe University Frankfurt Frankfurt am Main Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Behringer","sequence":"additional","affiliation":[{"name":"Department of Sports Medicine and Exercise Physiology Goethe University Frankfurt Frankfurt am Main Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natalie","family":"Mengis","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery and Traumatology Kantonsspital Baselland Basel Switzerland"},{"name":"University of Basel Basel Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andree","family":"Ellermann","sequence":"additional","affiliation":[{"name":"Arcus Sportklinik Pforzheim Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel","family":"Guenther","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Trauma Surgery, and Sports Medicine, Cologne Merheim Medical Center Witten\/Herdecke University Witten Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Georg","family":"Brandl","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery II Herz\u2010Jesu Krankenhaus Vienna Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bj\u00f6rn","family":"Drews","sequence":"additional","affiliation":[{"name":"St. Vinzenz Clinic Allg\u00e4u Pfronten Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julian","family":"Mehl","sequence":"additional","affiliation":[{"name":"Department for Orthopaedic Sports Medicine Klinikum rechts der Isar Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Raymond","family":"Best","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery Sportklinik Stuttgart Stuttgart Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lucia","family":"Pinggera","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery Sportklinik Stuttgart Stuttgart Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christian","family":"Schoepp","sequence":"additional","affiliation":[{"name":"Department of Arthroscopic Surgery, Sports Traumatology and Sports Medicine BG Klinikum Duisburg gGmbH Duisburg Germany"},{"name":"Department of Trauma and Reconstructive Surgery University Hospital Essen Essen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matthias","family":"Krause","sequence":"additional","affiliation":[{"name":"Department of Trauma, Hand and Reconstructive Surgery and Orthopaedic Surgery University Medical Center Hamburg\u2010Eppendorf Hamburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Stein","sequence":"additional","affiliation":[{"name":"Department of Sports Medicine and Exercise Physiology Goethe University Frankfurt Frankfurt am Main Germany"},{"name":"SPORTHOLOGICUM \u2013 Knee Center Frankfurt \u2010 Center for Sport and Joint injuries Frankfurt am Main 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