ArticleBioMed research international2019
The Relationship between Knee Adduction Moment and Knee Osteoarthritis Symptoms according to Static Alignment and Pelvic Drop.
Article in BioMed research international, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 23 citations in OpenAlex.
- Effect of hip abductor strengthening exercises in knee osteoarthritis: a randomized controlled trial.BMC musculoskeletal disorders · 2020Trial
- Impact of contralateral pelvic drop and femoral adduction on the femoral head acetabular coverage: A study on the reproducibility of a new radiographic measurement method.Journal of experimental orthopaedics · 2025Article
- Simulated Tibiofemoral Joint Reaction Forces for Three Previously Studied Gait Modifications in Healthy Controls.Journal of biomechanical engineering · 2023Article
- Muscle coordination retraining inspired by musculoskeletal simulations reduces knee contact force.Scientific reports · 2022Article
- Knee varus alters three-dimensional ankle alignment in standing- a study with upright computed tomography.BMC musculoskeletal disorders · 2022Article
- The medial inclination of the proximal tibia is associated with the external knee adduction moment in advanced varus knee osteoarthritis.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2022Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesTo investigate the relationship between external knee adduction moment (KAM) and knee osteoarthritis (OA) symptoms according to static alignment and pelvic drop.
methodsNinety-five participants with symptomatic knee OA were included. Radiographic severity was graded by Kellgren and Lawrence (KL) scale. The hip-knee-ankle (HKA) angle was used to assess limb alignment from a full-length lower-limb radiograph. KAM-related variables (peak KAM and KAM impulse) and pelvic drop angle were determined from 3D gait analysis. Symptoms were assessed via visual analog scale (VAS) for pain and hospital for special surgery (HSS) score for physical function. The relationship between KAM and symptoms was evaluated according to radiographic severity and pelvic drop using linear models.
resultsAccording to the more affected knee in the varus group, both the two KAM-related measures (peak KAM and KAM impulse) were positively associated with greater VAS pain and were negatively associated with HSS score. Only peak KAM was correlated with VAS and HSS in the valgus group. VAS pain score of the more affected knee was positively correlated with pelvic drop angle. Stratified by pelvic drop angle, KAM-related variables were more positively associated with VAS pain and negatively associated with HSS score for patients with pelvic drop angle ≤3 degrees. The relationships between KAM and symptoms according to radiographic disease severity remained confusing.
conclusionsStatic alignment and pelvic drop angle significantly affected relationships between KAM-related variables and knee OA symptoms, which may explain the confusing results as shown by previous studies.
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