Changes Over Time in the Strain on the Inferior Iliofemoral Ligament During a Sustained 5-Minute High-Force Long-Axis Distraction Mobilization: A Cadaveric Study

Estébanez-de-Miguel, Elena; Bueno-Gracía, Elena; González-Rueda, Vanessa; Pérez‐Bellmunt, Albert; Polo, Santos Caudevilla; López-de-Celis, Carlos

doi:10.1016/j.apmr.2023.03.022

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“…We saw a separation of the lateral movement, but we did not know which structure stopped the movement. Studies similar to those performed by Estébanez-de-Miguel et al [ 39 , 40 , 41 ] in the hip region would need to know the amount of stress received by the different structures and its relationship to the force applied during mobilisation. We would also need to know what effect is produced in lateral movement in positions other than the resting position described by Kaltenborn [ 29 ], where these treatment techniques are applied.…”

Section: Discussionmentioning

confidence: 99%

Effect of Scapular Fixation on Lateral Movement and Scapular Rotation during Glenohumeral Lateral Distraction Mobilisation

et al. 2023

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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.

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Section: Discussionmentioning

confidence: 99%