title: [Electromyography of the trapezius muscle in various working positions at the typing machine].
mesh_terms: D003308:Copying Processes; D004576:Electromyography; D006801:Humans; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology*; D011187:Posture
vernacular_title: Electromyographie du trapèze dans diverses positions de travail à la machine à écrire