ArticleFrontiers in bioengineering and biotechnology2022
Knee adduction moment decomposition: Toward better clinical decision-making.
Article in Frontiers in bioengineering and biotechnology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 11 citations in OpenAlex.
- Foot Progression Angle Modulates Knee Loading During Walking in Individuals with Flexible Flatfoot.Annals of biomedical engineering · 2026Article
- miR-584-5p alleviates osteoarthritis by targeting HIF1A to regulate chondrocyte function and extracellular matrix metabolism.Journal of orthopaedic surgery and research · 2026Article
- Biomechanics of knee osteoarthritis from local knee loading to whole kinetic chain imbalance: a narrative review.Frontiers in bioengineering and biotechnology · 2026Review
- 3D-printed shoe soles with structural properties towards reducing knee adduction moments during walking.Frontiers in bioengineering and biotechnology · 2026Article
- Effects of stance width and foot placement angle on knee joint loading of partial squats in healthy female university students: a cross-sectional study.BMC sports science, medicine & rehabilitation · 2025Article
- Boosting the clinical use of ground reaction forces in anterior cruciate ligament injury prevention: The 'CUTtheACL' study.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Article
- Biomechanical mechanisms behind the reduction of knee adduction moment in medial knee thrust gait.Scientific reports · 2025Article
- Relationship Between Incidence of Knee Pain and Ground Reaction Force During Stepping Motion in Older Adults.Geriatrics (Basel, Switzerland) · 2025Article
- Estimation of the External Knee Adduction Moment Using Inertial Measurement Unit Sensors on the Shank and Lower Back: A Pilot Study.Journal of functional morphology and kinesiology · 2025Article
- Automatic Body Segment and Side Recognition of an Inertial Measurement Unit Sensor during Gait.Sensors (Basel, Switzerland) · 2023Article
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Authors and funding
6 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Knee adduction moment (KAM) is correlated with the progression of medial knee osteoarthritis (OA). Although a generic gait modification can reduce the KAM in some patients, it may have a reverse effect on other patients. We proposed the "decomposed ground reaction vector" (dGRV) model to 1) distinguish between the components of the KAM and their contribution to the first and second peaks and KAM impulse and 2) examine how medial knee OA, gait speed, and a brace influence these components. Using inverse dynamics as the reference, we calculated the KAM of 12 healthy participants and 12 patients with varus deformity and medial knee OA walking with/without a brace and at three speeds. The dGRV model divided the KAM into four components defined by the ground reaction force (GRF) and associated lever arms described with biomechanical factors related to gait modifications. The dGRV model predicted the KAM profile with a coefficient of multiple correlations of 0.98 ± 0.01. The main cause of increased KAM in the medial knee OA group, the second component (generated by the vertical GRF and mediolateral distance between the knee and ankle joint centers), was decreased by the brace in the healthy group. The first peak increased, and KAM impulse decreased with increasing velocity in both groups, while no significant change was observed in the second peak. The four-component dGRV model successfully estimated the KAM in all tested conditions. It explains why similar gait modifications produce different KAM reductions in subjects. Thus, more personalized gait rehabilitation, targeting elevated components, can be considered.
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