Modélisation des contraintes musculo-articulaires du membre supérieur au cours de gestes répétitifs

Abstract : The musculoskeletal disorders account for over 75% of the Occupational Diseases in France. Understanding the pathology requires an understanding of musculo-articular stress. We wondered about the impact of several biomechanical risk factors (mass of the load, height of taking/deposing and movement frequency), individually and collectively, on shoulder’s musculo-articular constraints during repetitive tasks. Descriptive statistics for our sample (n = 5) appear to show that an increase in these biomechanical factors would generate an increase in muscle activation, range of motion and perceived exertion. Finally, we proposed a comprehensive risk index for the shoulder, which integrates the EMG measurements and kinematic. This "TEA Index" allows a measurement of the stresses exerted on the individual, a listing of workstations in terms of occupational risks and contributes to the development of prevention runs.
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Master thesis
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Nicolas Balthazard. Modélisation des contraintes musculo-articulaires du membre supérieur au cours de gestes répétitifs. Sciences de l'Homme et Société. 2016. ⟨hal-01825129⟩

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