考虑肱骨头移位的肌肉骨骼模型的一致性变化的影响

IF 2.4 3区医学 Q3 BIOPHYSICS

Journal of biomechanics Pub Date : 2025-08-05 DOI:10.1016/j.jbiomech.2025.112885

Margaux Peixoto , Dan Soyeux , Patrice Tétreault , Mickaël Begon , Nicola Hagemeister

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引用次数: 0

摘要

肩关节的大活动范围是由于肩关节的低一致性，其稳定性主要依赖于肩袖肌的活动。关节一致性对肩部生物力学的影响尚不清楚。我们使用球对球肩关节模型结合力相关运动学算法来模拟肌肉和关节力，同时考虑肱骨头位移。我们的创新模拟显示，当关节一致性降低时，肱骨头移位和肩袖肌肉力量增加。我们的模型与体内观察一致，并强调了关节一致性对稳定性的重要性。它为提高我们对肩部生物力学的理解提供了见解。

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Effect of congruence variations on a musculoskeletal model considering humeral head displacements

The shoulder’s large range of motion is due to the low congruency of the glenohumeral joint, whose stability relies mainly on rotator cuff muscle activity. The effect of joint congruence on shoulder biomechanics remains unclear. We used a sphere-on-sphere glenohumeral model combined with a Force-Dependent Kinematics algorithm to simulate muscle and joint forces while considering humeral head displacements. Our innovative simulations showed an increase in humeral head displacements and rotator cuff muscle forces when joint conformity decreased. Our model aligns with in vivo observations and highlights the importance of joint congruence on stability. It provides insights to improve our understanding of shoulder biomechanics.

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来源期刊

Journal of biomechanics 生物-工程：生物医学

CiteScore

5.10

自引率

4.20%

发文量

345

审稿时长

1 months

期刊介绍： The Journal of Biomechanics publishes reports of original and substantial findings using the principles of mechanics to explore biological problems. Analytical, as well as experimental papers may be submitted, and the journal accepts original articles, surveys and perspective articles (usually by Editorial invitation only), book reviews and letters to the Editor. The criteria for acceptance of manuscripts include excellence, novelty, significance, clarity, conciseness and interest to the readership. Papers published in the journal may cover a wide range of topics in biomechanics, including, but not limited to: -Fundamental Topics - Biomechanics of the musculoskeletal, cardiovascular, and respiratory systems, mechanics of hard and soft tissues, biofluid mechanics, mechanics of prostheses and implant-tissue interfaces, mechanics of cells. -Cardiovascular and Respiratory Biomechanics - Mechanics of blood-flow, air-flow, mechanics of the soft tissues, flow-tissue or flow-prosthesis interactions. -Cell Biomechanics - Biomechanic analyses of cells, membranes and sub-cellular structures; the relationship of the mechanical environment to cell and tissue response. -Dental Biomechanics - Design and analysis of dental tissues and prostheses, mechanics of chewing. -Functional Tissue Engineering - The role of biomechanical factors in engineered tissue replacements and regenerative medicine. -Injury Biomechanics - Mechanics of impact and trauma, dynamics of man-machine interaction. -Molecular Biomechanics - Mechanical analyses of biomolecules. -Orthopedic Biomechanics - Mechanics of fracture and fracture fixation, mechanics of implants and implant fixation, mechanics of bones and joints, wear of natural and artificial joints. -Rehabilitation Biomechanics - Analyses of gait, mechanics of prosthetics and orthotics. -Sports Biomechanics - Mechanical analyses of sports performance.