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physics.med-ph2026
Quaternion-Based Predictive Framework for Scapulohumeral Coordination
Ondrej Zoufaly, Edward K. Chadwick, Dimitra Blana +1
Scapulohumeral rhythm (SHR), the coordinated motion between the scapula and humerus during arm elevation, is frequently altered in rotator cuff pathologies, yet the mechanical prin…
physics.med-ph2025★ 3 cited
Calculation of a force effect from muscle action to a quaternion-based musculoskeletal model
Ondrej Zoufaly, Edward Chadwick, Dimitra Blana +1
Euler angle representation in biomechanical analysis allows straightforward description of joints rotations. However, application of Euler angles could be limited due to singularit…