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Propensity of the tight mid-flexion and loose flexion gap despite the adjustment of extension and flexion gaps in Oxford unicompartmental knee arthroplasty: retrospective study
PurposeA well-balanced joint gap is necessary in Oxford unicompartmental knee arthroplasty (OUKA) to prevent mobile-bearing dislocation. While the...
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Balancing the flexion gap first in total knee arthroplasty leads to better preservation of posterior condylar offset resulting in better knee flexion
PurposeThe purpose of this study is to determine whether the flexion first balancing technique, developed in an attempt to solve the dissatisfaction...
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Effect of posteromedial vertical capsulotomy with medial collateral ligament liberation on intraoperative medial component gap mismatch between extension and mid-flexion during total knee arthroplasty
PurposeThe aim of this study was to quantify the effect of posteromedial vertical capsulotomy on intraoperative component gaps and angles from...
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Mid-flexion laxity could be identified with continuous flexion-arc gap assessment in patients with a large preoperative convergence angle
PurposeTo analyze the incidence of intraoperative mid-flexion laxity using continuous flexion-arc gap assessment, risk factors for mid-flexion...
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Incidence of soft tissue releases in robotic assisted cementless TKA with mechanical alignment and flexion gap balancing
BackgroundTo ensure the success of total knee arthroplasty (TKA), precise bone cuts and a well-balanced soft tissue envelope are crucial. Soft tissue...
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Evaluation of the flexion gap with a distal femoral trial component in posterior-stabilized total knee arthroplasty
PurposeA distal femoral trial component was manufactured, and flexion gap size and inclination were evaluated with or without the distal femoral...
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Joint gap produced by manual stress is dependent on the surgeon’s experience and is smaller in flexion in robotic-assisted total knee arthroplasty
PurposeThis study aimed to retrospectively investigate (1) the reproducibility of gap measurements by manual stress using the Z-shaped retractor...
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Approximately 41% of knees have a looser gap in full extension than in 20° flexion after Oxford unicompartmental arthroplasty
IntroductionIn Oxford unicompartmental knee arthroplasty (OUKA), the flexion and extension gaps should be adjusted to prevent mobile-bearing...
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Large flexion contracture angle predicts tight extension gap during navigational posterior stabilized-type total knee arthroplasty with the pre-cut technique: a retrospective study
BackgroundThis study aimed to determine the predictors of tight extension gap (EG) compared with the flexion gap (FG) during navigational posterior...
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Lateral Laxity in Flexion Influences Patient-Reported Outcome After Total Knee Arthroplasty
IntroductionSlight lateral laxity exists in normal knee especially in flexion. The lateral laxity in flexion has possibility to affect the outcome...
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Is Flexion Gap Rectangular in Native Indian Knees? Results of an MRI Study
BackgroundThe purpose of this study was to evaluate the flexion-gap of the native knees in the normal population and to assess any gender-specific...
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Investigation of femoral condyle height changes during flexion of the knee: implication to gap balance in TKA surgery
BackgroundGap balance of the knee at 0° and 90° of flexion has been pursued in total knee arthroplasty (TKA) with the trans-epicondyle axis (TEA) as...
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Maximum flexion and lateral rollback revealed better patient satisfaction after total knee arthroplasty
IntroductionPatient satisfaction is an important outcome of total knee arthroplasty (TKA). However, we cannot predict how and why patients are...
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What effect does preoperative flexion contracture have on the component angles in unicompartmental knee arthroplasty?
PurposeThe indication for unicompartmental knee arthroplasty (UKA) has been extended to cases with some degree of preoperative knee flexion...
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Equal bony resection of distal and posterior femur will lead to flexion/extension gap inequality in robot-assisted cruciate-retaining TKA
PurposeJoint imbalance has become one of the main reasons for early revision after total knee arthroplasty (TKA) and it is directly related to the...
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No evidence of mid-flexion instability after robotic-assisted total knee arthroplasty as assessed by intraoperative pressure sensors
PurposeMid-flexion instability has been identified as a cause for dissatisfaction following total knee arthroplasty (TKA). Robotic-assisted surgery...
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Improved total knee arthroplasty pain outcome when joint gap targets are achieved throughout flexion
PurposeAchieving a balanced knee is accepted as an important goal in total knee arthroplasty; however, the definition of ideal balance remains...
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Spacer rotation technique allows precise evaluation of gap balance in total knee arthroplasty
The symmetry of the flexion and extension gap influences the functional and long-term outcome after total knee arthroplasty (TKA). Most surgeons...
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Dynamic gap analysis of valgus knees shows large inter-individual variability of gaps
PurposeThe purpose of this study was to investigate the dynamic gap widths of valgus knees in extension and flexion to evaluate the influence of...
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Knee flexion compensation in postoperative adult spinal deformity patients: implications for sagittal balance and clinical outcomes
PurposeTo determine whether maintaining good sagittal balance with significant knee flexion (KF) constitutes a suboptimal outcome after adult spinal...
