ArticleBMC musculoskeletal disorders2024
The effect of suboccipital muscle dysfunction on the biomechanics of the upper cervical spine: a study based on finite element analysis.
Article in BMC musculoskeletal disorders, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Comparison of Two Posterior Minimally Invasive Approaches for Odontoid Fractures: Midline Nuchal Ligament Approach vs. Paramedian Muscle-Splitting Approach.Orthopaedic surgery · 2026Article
- Article
- Biomechanical rational for development of cervical kyphosis deformity: a finite element analysis.BMC musculoskeletal disorders · 2025Article
- Effects of Chinese cervical fixed-point rotation manipulation on heart rate variability in patients with sympathetic cervical spondylosis based on the theory of biomechanical equilibrium: a study protocol for a randomized controlled trial.Frontiers in neurology · 2025Article
- Musculoskeletal Ultrasound Assessment of the Clinical Efficacy of the Combination of Acupressure and "Three Methods of Neck Movement (TCM)" Therapy in the Treatment of Cervical Spondylosis: A Study Protocol for a Randomized Controlled Trial.Journal of pain research · 2024Article
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6 authors.
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Abstract
objectiveMuscle dysfunction caused by repetitive work or strain in the neck region can interfere muscle responses. Muscle dysfunction can be an important factor in causing cervical spondylosis. However, there has been no research on how the biomechanical properties of the upper cervical spine change when the suboccipital muscle group experiences dysfunction. The objective of this study was to investigate the biomechanical evidence for cervical spondylosis by utilizing the finite element (FE) approach, thus and to provide guidance for clinicians performing acupoint therapy.
methodsBy varying the elastic modulus of the suboccipital muscle, the four FE models of C0-C3 motion segments were reconstructed under the conditions of normal muscle function and muscle dysfunction. For the two normal condition FE models, the elastic modulus for suboccipital muscles on both sides of the C0-C3 motion segments was equal and within the normal range In one muscle dysfunction FE model, the elastic modulus on both sides was equal and greater than 37 kPa, which represented muscle hypertonia; in the other, the elastic modulus of the left and right suboccipital muscles was different, indicating muscle imbalance. The biomechanical behavior of the lateral atlantoaxial joint (LAAJ), atlanto-odontoid joint (ADJ), and intervertebral disc (IVD) was analyzed by simulations, which were carried out under the six loadings of flexion, extension, left and right lateral bending, left and right axial rotation.
resultsUnder flexion, the maximum stress in LAAJ with muscle imbalance was higher than that with normal muscle and hypertonia, while the maximum stress in IVD in the hypertonic model was higher than that in the normal and imbalance models. The maximum stress in ADJ was the largest under extension among all loadings for all models. Muscle imbalance and hypertonia did not cause overstress and stress distribution abnormalities in ADJ.
conclusionMuscle dysfunction increases the stress in LAAJ and in IVD, but it does not affect ADJ.
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