ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2017
Tibiofemoral forces for the native and post-arthroplasty knee: relationship to maximal laxity through a functional arc of motion.
Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 14 citations in OpenAlex.
- Toward Self-Powered Load Imbalance Detection for Instrumented Knee Implants Using Quadrant Triboelectric Energy Harvesters.IEEE sensors journal · 2024Article
- Impact of increasing total knee replacement constraint within a single implant line on coronal stability: an ex vivo investigation.Archives of orthopaedic and trauma surgery · 2023Article
- Muscle loaded stability reflects ligament-based stability in TKA: a cadaveric study.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2022Article
- Mid-flexion laxity in the asymptomatic native knee is predominantly present on the lateral side.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2019Article
- Fabrication and selection of surrogate knee implant bearings for experimental evaluation of embedded in-vivo sensors.Journal of the mechanical behavior of biomedical materials · 2019Article
- Use of porous monoblock patella component should avoid for patient with patella baja.Journal of orthopaedics · 2018Article
- Knee biomechanics: Will we ever know the truth?Bone & joint research · 2018Article
- The role of ligament tension and sensomotoric system in total knee arthroplasty.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2017Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeAccurate soft tissue balance must be achieved to improve functional outcome after total knee arthroplasty (TKA). Sensor-integrated tibial trials have been introduced that allow real-time measurement of tibiofemoral kinematics during TKA. This study examined the interplay between tibiofemoral force and laxity, under defined intraoperative conditions, so as to quantify the kinematic behaviour of the CR femoral single-radius knee.
methodsTKA was undertaken in eight loaded cadaveric specimens. Computer navigation in combination with sensor data defined laxity and tibiofemoral contact force, respectively, during manual laxity testing. Fixed-effect linear modelling allowed quantification of the effect for flexion angle, direction of movement and TKA implantation upon the knee.
resultsAn inverse relationship between laxity and contact force was demonstrated. With flexion, laxity increased as contact force decreased under manual stress. Change in laxity was significant beyond 30° for coronal plane laxity and beyond 60° for rotatory laxity (p < 0.01). Rotational stress in mid-flexion demonstrated the greatest mismatch in inter-compartmental forces. Contact point position over the tibial sensor demonstrated paradoxical roll-forward with knee flexion.
conclusionTraditional balancing techniques may not reliably equate to uniform laxity or contact forces across the tibiofemoral joint through a range of flexion and argue for the role of per-operative sensor use to aid final balancing of the knee.
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