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  1. A case-control study of trapezius muscle activity in office and manual workers with shoulder and neck pain and symptom-free controls.

    Article - En anglais

    A case-control study with matched pairs was initiated to investigate the relationship between shoulder-neck complaints and activity in the upper trapezius muscle.

    The matching was done so that the physical demands from work (external exposure) were equal for both the case and the control.

    Each pair was also matched for gender, age, working hours, and employment time.

    Male (n=18) and female workers (n=78) employed in both manual and office work were included.

    Muscle activation levels and pause patterns during work and muscle activity during tests of attention, coordination, and rest were recorded by surface electromyography.

    The results showed consistent associations between pain and signs of increased activation of the upper trapezius for the cases in the manual group.

    No such associations were observed in the office group.

    The results are consistent with the hypothesis that muscle activation patterns may in some instances, but not in all, explain why some workers develop pain while others do not in work situations where the physical demands are similar.

    Mots-clés Pascal : Traumatisme, Cou, Epaule, Membre supérieur, Myalgie, Muscle trapèze, Employé bureau, Tâche manuelle, Electromyographie, Homme, Exposition professionnelle, Médecine travail, Charge travail, Douleur, Muscle strié pathologie

    Mots-clés Pascal anglais : Trauma, Neck, Shoulder, Upper limb, Myalgia, Trapezius muscle, Clerical personnel, Manual task, Electromyography, Human, Occupational exposure, Occupational medicine, Workload, Pain, Striated muscle disease

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 95-0244907

    Code Inist : 002B16H. Création : 09/06/1995.