{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T11:14:08Z","timestamp":1791285248995,"version":"4.1.0"},"reference-count":26,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2014,6,13]],"date-time":"2014-06-13T00:00:00Z","timestamp":1402617600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2014,6,13]],"date-time":"2014-06-13T00:00:00Z","timestamp":1402617600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2015,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The aim of the present study was to clarify whether varus\u2013valgus laxities under static stress in extension, femoral condylar lift\u2010off during walking, and patient\u2010reported outcomes after total knee arthroplasty (TKA) were correlated with each other.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Ninety\u2010four knees, which had undergone posterior\u2010stabilized TKA, were analysed. The varus\u2013valgus laxity during knee extension was measured using a stress radiograph. New Knee Society Score (KSS) questionnaires were mailed to all patients. Correlations between the values of stress radiographs and KSS were analysed. Additionally, continuous radiological images were taken of 15 patients while each walked on a treadmill to determine condylar lift\u2010off from the tibial tray using a 3D\u2010to\u20102D image\u2010to\u2010model registration technique. Correlations between the amount of lift\u2010off and either the stress radiograph or the KSS were also analyzed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The mean angle measured was 5.9 \u00b1 2.7\u00b0 with varus stress and 5.0 \u00b1 1.6\u00b0 with valgus stress. The difference between them was 0.9 \u00b1 2.8\u00b0. Varus\u2013valgus laxities, or the differences between them, did not show any statistically significant correlation with either component of the KSS (<jats:italic>p<\/jats:italic> &gt; 0.05). The average amount of femoral condylar lift\u2010off during walking was 1.4 \u00b1 0.8\u00a0mm (medial side) and 1.3 \u00b1 0.6\u00a0mm (lateral side). The amount of lift\u2010off did not correlate with either varus\u2013valgus laxities or the KSS (<jats:italic>p<\/jats:italic> &gt; 0.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>No correlations were found among varus\u2013valgus laxities under static stress in extension, femoral condylar lift\u2010off during walking, or patient\u2010reported outcomes after well\u2010aligned TKA. This study suggests that small variations in coronal laxities do not influence lift\u2010off during walking and the patient\u2010reported outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>IV.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-014-3122-2","type":"journal-article","created":{"date-parts":[[2014,6,12]],"date-time":"2014-06-12T05:47:08Z","timestamp":1402552028000},"page":"1693-1698","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":36,"title":["Does knee stability in the coronal plane in extension affect function and outcome after total knee arthroplasty?"],"prefix":"10.1002","volume":"23","author":[{"given":"Hiroyuki","family":"Nakahara","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery Graduate School of Medical Sciences Kyushu University 3\u20101\u20101\u00a0Maidashi, Higashi\u2010ku 812\u20108582 Fukuoka 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