The shoulder is widely considered as a complex system characterized by peculiar biomechanics and involving different joints, including glenohumeral one. Indeed, the inherent shoulder structure allows for high mobility, but at the same time - in case of injuries, traumatic events, or pathologies - the overall structure is easily exposed to articular and periarticular problems. Scientific literature presents several procedures devoted to the functional evaluation of shoulder complex, including - above all - movement analysis and assessment of muscular contribution. In the last years, ultrasonography has been also proposed to quantitatively assess anterior humeral head displacement, which represents an important metrics for shoulder dislocation. The aim of this study was to present a non-invasive multidimensional testing procedure aiming at assessing the function of the shoulder complex, specifically focusing on the glenohumeral joint. The proposed setting included the integration of marker-based optoelectronic stereophotogrammetric system, surface electromyography, and ultrasonography, so as to allow an instrumental evaluation able to provide information about overall kinematics, muscular activations and synergies, and joint tissues constraining behaviour in terms of humeral head displacement. In this feasibility analysis the subjects were asked to execute two specific dynamic tasks, which overall covered glenohumeral joint movements. From this feasibility study, the proposed protocol allowed indeed to have information about the overall joint kinematics in terms of flexion/extension, abduction/adduction, and intra/extra-rotation, the corresponding muscular activations and, above all, the possibility of tracking the humeral head displacement. All the available information record may enhance the possibility to identify altered patterns in shoulder biomechanics. This multidimensional approach may be used to help clinicians characterizing the glenohumeral joint during defined motor tasks and thus designing tailored rehabilitative interventions for the shoulder joint complex.
Integrated Protocol for Multidimensional In Vivo Assessment of Glenohumeral Joint Function during Dynamic Tasks
Scalona E.
;Rossetto G.;Mosso M.;Saccomanno M. F.;Milano G.;Lopomo N. F.
2023-01-01
Abstract
The shoulder is widely considered as a complex system characterized by peculiar biomechanics and involving different joints, including glenohumeral one. Indeed, the inherent shoulder structure allows for high mobility, but at the same time - in case of injuries, traumatic events, or pathologies - the overall structure is easily exposed to articular and periarticular problems. Scientific literature presents several procedures devoted to the functional evaluation of shoulder complex, including - above all - movement analysis and assessment of muscular contribution. In the last years, ultrasonography has been also proposed to quantitatively assess anterior humeral head displacement, which represents an important metrics for shoulder dislocation. The aim of this study was to present a non-invasive multidimensional testing procedure aiming at assessing the function of the shoulder complex, specifically focusing on the glenohumeral joint. The proposed setting included the integration of marker-based optoelectronic stereophotogrammetric system, surface electromyography, and ultrasonography, so as to allow an instrumental evaluation able to provide information about overall kinematics, muscular activations and synergies, and joint tissues constraining behaviour in terms of humeral head displacement. In this feasibility analysis the subjects were asked to execute two specific dynamic tasks, which overall covered glenohumeral joint movements. From this feasibility study, the proposed protocol allowed indeed to have information about the overall joint kinematics in terms of flexion/extension, abduction/adduction, and intra/extra-rotation, the corresponding muscular activations and, above all, the possibility of tracking the humeral head displacement. All the available information record may enhance the possibility to identify altered patterns in shoulder biomechanics. This multidimensional approach may be used to help clinicians characterizing the glenohumeral joint during defined motor tasks and thus designing tailored rehabilitative interventions for the shoulder joint complex.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
