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The modification of bone cut angle and joint line obliquity did not change the tibiofemoral kinematics and stability of knee joint after total knee arthroplasty
IntroductionPrevious reports using cadaveric knees and musculoskeletal computer simulation have shown that kinematically aligned (KA) total knee...
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Regional muscle features and their association with knee extensors force production at a single joint angle
This study aimed (i) to investigate the role of regional characteristics of the knee extensors muscles (vastus lateralis: VL, vastus intermedius: VI...
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Variation in knee balance as a function of hip-knee-ankle angle and joint line obliquity in robotic assisted total knee arthroplasty
PurposeTo describe the mediolateral (ML) gap balance in pre-resection arthritic knees undergoing robot-assisted (RA) total knee arthroplasty (TKA)...
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Kalman filter-based deep fused architecture for knee angle estimation
Accurate measurements of joint angle are crucial for gait assessment applications. IMUs, which have a wide range of applications, can be a valuable...
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Knee-ankle joint line angle: a significant contributor to high-degree knee joint line obliquity in medial opening wedge high tibial osteotomy
BackgroundMedial opening wedge high tibial osteotomy (MOWHTO) changes the knee joint inclination in the coronal plane, which can be compensated by...
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Dynamics of the suprapatellar bursa during knee joint extension
PurposeThe suprapatellar bursa is located in the proximal deep layer of the patella and is thought to reduce tissue friction by changing from a...
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Better forgotten joint scores when the angle of the prosthetic trochlea is lateral to the quadriceps vector in kinematically aligned total knee arthroplasty
PurposeThe primary aim was to analyze unrestricted kinematic alignment (unKA) total knee arthroplasty (TKA) and determine the frequency of medial...
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Therapeutic effect of knee extension exercise with single-joint hybrid assistive limb following total knee arthroplasty: a prospective, randomized controlled trial
The single-joint hybrid assistive limb (HAL-SJ), an exoskeletal robotic suit, offers functional improvement. In this prospective randomized...
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Small change in the arithmetic hip-knee-ankle angle during unicompartmental knee arthroplasty improves early postoperative functional outcomes
IntroductionThe optimal lower-limb alignment after unicompartmental knee arthroplasty (UKA) remains controversial. This study aimed to investigate...
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Relationship between increased knee joint line obliquity after medial open-wedge high tibial osteotomy and patient-reported outcome measures
IntroductionThis study evaluated the correlation between postoperative knee joint line obliquity after medial open-wedge high tibial osteotomy and...
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Development of four-bar polycentric knee joint with stance-phase knee flexion
A conventional 4-bar polycentric knee and solid ankle cushion heel foot (SACH foot) have been commonly used in develo** countries. However, they...
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Influence of knee flexion angle on graft bending angle during anterior cruciate ligament reconstruction using the transportal technique
This study aimed to examine change in the graft bending angle (GBA) according to various knee flexion angles in creating femoral tunnel by the...
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Optimal Design of Multi-linked Knee Joint for Lower Limb Wearable Robot
An optimal multi-linked knee joint design is proposed for lower limb wearable robots. The multi-linked knee joint combines a four-bar link and a...
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Lower Extremity Muscle Tendon Interaction Around Knee During Gait Among Adolescent Children with Cerebral Palsy with Varying Crouch Angle
BackgroundOptimal management and surgical planning of severe bony deformities and muscle tendon unit contractures demands comprehensive evaluation of...
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Lateral versus medial approach for total knee arthroplasty for valgus knee deformity shows comparable functional outcomes, hip–knee–ankle angle values, and complication rates: a meta-analysis of comparative studies
IntroductionThe aim of this meta-analysis of comparative studies was to update the current evidence on functional and radiographic outcomes and...
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Limited medial posterior capsular release increases the intraoperative medial component gap while maintaining the joint varus angle at extension in posterior-stabilized total knee arthroplasty
PurposeThere is a lack of robust evidence for the magnitude of the effects of posterior capsular release (PCR) on intraoperative component gaps...
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The joint line convergence angle (JLCA) correlates with intra-articular arthritis
PurposeKnees with unicompartmental varus osteoarthritis (OA) usually display a combination of tibiofemoral bony deformity and increased joint line...
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Medial meniscus extrusion and varus tilt of joint line convergence angle increase stress in the medial compartment of the knee joint in the knee extension position -finite element analysis-
PurposeAlthough it has been recognized that the medial meniscus extrusion (MME) leads to progressive cartilage loss and osteoarthritis (OA), about...
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A Knee Injury Prevention System by Continuous Knee Angle Recognition Using Stretch Sensors
The knee is the most common site for running injuries. Fatigue causes changes in the knee angle at landing, which increases the impact acceleration...
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Assessing knee joint biomechanics and trunk posture according to medial osteoarthritis severity
During progression of knee osteoarthritis (OA), gait biomechanics changes three-dimensionally; however, its characteristics and trunk posture...
