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Posterior cruciate ligament resection increases intraoperative lateral and medial flexion laxity during total knee arthroplasty.
Int Orthop
January 2025
University of Lille, 42 rue Paul Duez, 59000, Lille, Nord, France.
Purpose: This study reports the relationship between posterior cruciate ligament (PCL) retention vs resection and soft tissue laxity and balance throughout flexion using a robotically controlled ligament tensioner.
Methods: 55 robotic-assisted TKAs (Total knee arthroplasty) were retrospectively reviewe. The robotic ligament tensioner collected laxity data both before and after PCL resection.
Biomechanics of the bobsleigh push phase.
J Sports Sci
January 2025
Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Cologne, Germany.
The purpose of this work was to provide a fundamental, in-depth analysis of kinematics and kinetics of the bobsleigh push phase to establish a basis for performance analysis and enhancement. Fifteen elite male athletes performed maximal effort push starts, while ground reaction forces (GRF) and 3D marker trajectories were simultaneously recorded for ground contacts of different sub-sections of the push phase (start acceleration phase: first and second ground contact after the initial push-off from the start block, acceleration phase: 10 m and high-velocity phase: 30 m). To obtain a comprehensive view of the push phase, whole-body kinematics as well as joint kinetics were analysed and compared across the push phase.
View Article and Find Full Text PDFEffectiveness of intra-articular vancomycin in preventing prosthetic joint infections in hip and knee arthroplasty: A systematic review and meta-analysis of RCT's.
J Orthop
August 2025
Instituto de Ortopedia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil.
Introduction: This study aimed to evaluate the effectiveness and safety of intra-articular vancomycin powder in reducing prosthetic joint infections (PJIs) in primary hip and knee arthroplasty through a meta-analysis of randomized controlled trials (RCTs).
Methods: A research in Pubmed, Embase and Cochrane databases was performed to identify randomized clinical trials comparing intra-articular vancomycin use to conventional antibiotic prophylaxis in total hip or knee arthroplasty patients, assessing postoperative infection rates, adverse drug reactions, and venous thrombotic events. Statistical analysis was performed using R (RStudio 2024.
A Study on the Effects of Gluteal Muscle Activation on the Electromyography of Lower Limb Muscles in Young Male Patients With Patellofemoral Pain Syndrome.
Orthop Surg
January 2025
School of Exercise and Health Sciences, Xi'an Physical Education University, Xian, China.
Objective: Patellofemoral pain syndrome (PFPS) is a common knee issue, and hip joint function significantly affects knee health. Gluteus activation exercises are a promising treatment for PFPS. This study aims to investigate the impact of gluteal muscle activation exercises on the muscle involvement and movement patterns of young male patients with PFPS.
View Article and Find Full Text PDFBrucellosis, caused by a facultative intracellular gram-negative coccobacillus, is one of the most common zoonotic infections worldwide. Very rarely, brucellosis can cause periprosthetic joint infections (PJI). In this case-based literature review, we summarize the current medical literature regarding Brucella PJI, with the aim to raise awareness among clinicians, particularly in non-endemic areas.
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