Effect of scapular fixation on lateral movement and scapular rotation during glenohumeral lateral distraction mobilisation
Background: Glenohumeral lateral distraction mobilisation (GLDM) is used in patients with shoulder mobility dysfunction. No one has examined the effect of scapular fixation during GLDM. The aim was to measure and compare the lateral movement of the humeral head and the rotational movement of the scapula when three different magnitudes of forces were applied during GLDM, with and without scapular fixation. Methods: Seventeen volunteers were recruited (n = 25 shoulders). Three magnitudes of GLDM force (low, medium, and high) were applied under fixation and non-fixation scapular conditions in the open-packed position. Lateral movement of the humeral head was assessed with ultrasound, and a universal goniometer assessed scapular rotation. Results: The most significant increase in the distance between the coracoid and the humeral head occurred in the scapular fixation condition at all three high-force magnitudes (3.72 mm; p < 0.001). More significant scapular rotation was observed in the non-scapular fixation condition (12.71°). A difference in scapula rotation (10.1°) was observed between scapular fixation and non-scapular fixation during high-force application. Conclusions: Scapular fixation resulted in more significant lateral movement of the humeral head than in the non-scapular fixation condition during three intensities of GLDM forces. The scapular position did not change during GLDM with the scapular fixation condition.
61 - Medical sciences
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López-de-Celis, Carlos; Caudevilla-Polo, Santos; Pérez-Bellmunt, Albert [et al.]. Effect of scapular fixation on lateral movement and scapular rotation during glenohumeral lateral distraction mobilisation. Healthcare, 2023, 11(13), 1829. Disponible en: <https://www.mdpi.com/2227-9032/11/13/1829>. Fecha de acceso: 18 sep. 2023. DOI: 10.3390/healthcare11131829
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