title: Discomfort and load on the upper trapezius muscle when operating a wordprocessor.
mesh_terms: D000328:Adult; D003626:Data Display; D004576:Electromyography; D005260:Female; D006801:Humans; D008875:Middle Aged; D009132:Muscles / Q000502:physiology*; D009334:Neck Muscles / Q000502:physiology*; D005082:Physical Exertion; D012782:Shoulder / Q000502:physiology*