{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T09:02:31Z","timestamp":1790154151110,"version":"4.0.1"},"reference-count":37,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2011,12,8]],"date-time":"2011-12-08T00:00:00Z","timestamp":1323302400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2012,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Rotational knee laxity is an important measure in restoring knee stability following anterior cruciate ligament (ACL) injury, but is difficult to quantify with current clinical tools. The hypothesis of the study is that there is greater tibial rotation (TR) in women than men, and also in ACL\u2010deficient than healthy knees.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Sixteen healthy (8\u00a0men, 26.8 \u00b1 6.4 years; 8 women, 26.9 \u00b1 3.8 years) and ten ACL\u2010deficient (5\u00a0men, 33.6 \u00b1 10.5 years; 5 women, 36.3 \u00b1 10.7 years) subjects received bilateral knee MRI in 15\u00b0 of flexion using a custom device to apply a constant axial compressive load (44\u00a0N). A rotational torque (3.35\u00a0Nm) was sequentially applied to obtain images at internal and external rotation positions. <jats:italic>T<\/jats:italic><jats:sub>2<\/jats:sub>\u2010weighted images were acquired in internal and external rotation. Images were segmented and TR was calculated. To assess reproducibility, six knees were scanned twice on separate days. Group comparisons were made with unpaired <jats:italic>t<\/jats:italic> tests, while intrasubject comparisons were made using paired <jats:italic>t<\/jats:italic> tests.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Healthy women demonstrated greater TR than men (13.6\u00b0 \u00b1 4.7\u00b0 vs. 8.3\u00b0 \u00b1 3.6\u00b0; <jats:italic>P<\/jats:italic> = 0.001). Male ACL\u2010deficient knees showed greater TR than the contralateral knee (15.7\u00b0 \u00b1 6.9\u00b0 vs. 7.7\u00b0 \u00b1 5.6\u00b0; <jats:italic>P<\/jats:italic> = 0.003), and compared to male controls (<jats:italic>P<\/jats:italic> = 0.002). ACL\u2010deficient women showed greater TR compared to their contralateral leg (15.1\u00b0 \u00b1 2.3\u00b0 vs. 10.0\u00b0 \u00b1 4.3\u00b0; <jats:italic>P<\/jats:italic> = 0.01). The intraclass correlation coefficient of the TR measurement was 0.913, and the SEM = 1.1\u00b0.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Kinematic MRI is a reproducible method to quantify total knee rotation. Women have more rotational laxity than men, particularly in the external rotation position. ACL rupture leads to increased rotational laxity of the knee.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>Retrospective case\u2013control series, Level III.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-011-1809-1","type":"journal-article","created":{"date-parts":[[2011,12,7]],"date-time":"2011-12-07T08:41:13Z","timestamp":1323247273000},"page":"663-670","source":"Crossref","is-referenced-by-count":23,"title":["Evaluating rotational kinematics of the knee in ACL\u2010ruptured and healthy patients using 3.0 Tesla magnetic resonance imaging"],"prefix":"10.1002","volume":"20","author":[{"given":"Bryan D.","family":"Haughom","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> School of Medicine University of California, San Francisco (UCSF) San Francisco CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard","family":"Souza","sequence":"additional","affiliation":[{"name":"<!--<label>2<\/label>--> Musculoskeletal Quantitative Imaging Research, Department of Radiology UCSF San Francisco CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"William W.","family":"Schairer","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> School of Medicine University of California, San Francisco (UCSF) San Francisco CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaojuan","family":"Li","sequence":"additional","affiliation":[{"name":"<!--<label>2<\/label>--> Musculoskeletal Quantitative Imaging Research, Department of Radiology UCSF San Francisco CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C.","family":"Benjamin Ma","sequence":"additional","affiliation":[{"name":"<!--<label>3<\/label>--> Department of Orthopaedic Surgery, San Francisco School of Medicine University of California 500 Parnassus Ave, MU 320 W 94143\u20100728 San Francisco CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2011,12,8]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167\u2010009\u20100846\u20105"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0736\u20100266(01)00148\u20106"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.1007\/s001670050042"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.1177\/036354659502300611"},{"issue":"2","key":"e_1_2_6_6_2","first-page":"19","article-title":"Periodicity of noncontact anterior cruciate ligament injuries during the menstrual cycle","volume":"5","author":"Arendt EA","year":"2002","journal-title":"J Gend Specif Med"},{"key":"e_1_2_6_7_2","doi-asserted-by":"publisher","DOI":"10.5435\/00124635-201009000-00003"},{"key":"e_1_2_6_8_2","doi-asserted-by":"publisher","DOI":"10.1302\/0301\u2010620X.84B7.13094"},{"key":"e_1_2_6_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2009.01.014"},{"key":"e_1_2_6_10_2","doi-asserted-by":"publisher","DOI":"10.1115\/1.2976029"},{"key":"e_1_2_6_11_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546504274149"},{"key":"e_1_2_6_12_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546506296040"},{"key":"e_1_2_6_13_2","doi-asserted-by":"crossref","unstructured":"ClaesS NevenE CallewaertB DesloovereK BellemansJ(2011) Tibial rotation in single\u2010 and double\u2010bundle ACL reconstruction: a kinematic 3\u2010D in vivo analysis.Knee Surg Sports Traumatol Arthrosc. doi:10.1007\/s00167\u2010011\u20101568\u2010z","DOI":"10.1007\/s00167-011-1568-z"},{"key":"e_1_2_6_14_2","doi-asserted-by":"publisher","DOI":"10.1097\/BLO.0b013e31802baf56"},{"key":"e_1_2_6_15_2","doi-asserted-by":"publisher","DOI":"10.3928\/01477447-20110228-15"},{"key":"e_1_2_6_16_2","doi-asserted-by":"publisher","DOI":"10.1097\/BLO.0b013e31804d2339"},{"key":"e_1_2_6_17_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinbiomech.2009.11.006"},{"key":"e_1_2_6_18_2","doi-asserted-by":"publisher","DOI":"10.1177\/03635465030310012401"},{"key":"e_1_2_6_19_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086\u2010197501000\u201000033"},{"key":"e_1_2_6_20_2","unstructured":"GobbiA MahajanV KarnatzikosG NakamuraN(2011)Single\u2010 versus double\u2010bundle ACL reconstruction: is there any difference in stability and function at 3\u2010year followup? 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