ArticleScientific reports2023
Assessing knee joint biomechanics and trunk posture according to medial osteoarthritis severity.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 14 citations in OpenAlex.
- Prevalence of Strength Deficits of Core and Hip Stabilizers in Knee Osteoarthritis: A Cross-Sectional Study.Musculoskeletal care · 2026Article
- Effects of Medial Opening-Wedge High Tibial Osteotomy on 3-Dimensional Knee Joint Biomechanics and Trunk Posture.Orthopaedic journal of sports medicine · 2026Article
- Article
- Effects of Restricted Shoulder Girdle Motion on Knee Joint Kinematics and Kinetics during Walking: Cross-sectional Study.Progress in rehabilitation medicine · 2026Article
- Stance-phase kinematic descriptors differentiate clinical subgroups in women with moderate knee osteoarthritis.Frontiers in bioengineering and biotechnology · 2026Article
- Targeting subchondral osteoporosis in osteoarthritis: biomechanical crosstalk and the therapeutic rationale for inflammatory microenvironment remodeling.Frontiers in immunology · 2026Review
- Article
- High tibial osteotomy effectively restores motor function during daily activities in patients with knee osteoarthritis and varus deformity.Journal of experimental orthopaedics · 2025Article
- Altered motor function during daily activities in patients eligible for high tibial osteotomy is primarily driven by knee varus deformity.Bone & joint open · 2025Article
- Epidemiological trends in burden of osteoarthritis in China: an analysis from 1990 to 2021 with forecasts for 2022-2050.Frontiers in public health · 2025Article
- Influencing factors analysis of asymmetry in knee adduction moment among patients with unilateral knee osteoarthritis.BMC musculoskeletal disorders · 2024Article
- Article
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Authors and funding
12 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
During progression of knee osteoarthritis (OA), gait biomechanics changes three-dimensionally; however, its characteristics and trunk posture according to OA severity remain unknown. The present study investigated three-dimensional knee joint biomechanics and trunk posture according to knee OA severity. Overall, 75 patients (93 knees) with medial knee OA [Kellgren-Lawrence grade ≥ 2, grade 2: 20 patients with 24 knees (mean 60.0 years old); grade 3: 25 with 28 knees (mean 62.0 years old); grade 4: 30 with 41 knees (mean 67.9 years old)] and 14 healthy controls (23 knees, mean 63.6 years old) underwent gait analysis using an optical motion capture system and point cluster technique. In grade 2 knee OA, the relative contribution of the knee adduction moment (KAM) increased significantly (P < 0.05), and that of the knee flexion moment decreased (P < 0.05) prior to significant progression of varus knee deformity. Grade 3 knee OA showed significant exacerbation of varus knee deformity (P < 0.01) and KAM increase (P < 0.001). The maximum knee extension angle decreased (P < 0.05) and trunk flexion increased during gait in grade 4 knee OA (P < 0.001). Our study clarified the kinematics and kinetics of medial knee OA with trunk flexion according to severity. Kinetic conversion occurred in grade 2 knees prior to progression of varus deformities, knee flexion contractures, and sagittal imbalance during gait in patients with severe knee OA.
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