title: Postural and visual loads at VDT workplaces. I. Constrained postures.
mesh_terms: D000328:Adult; D003201:Computers; D003626:Data Display; D005260:Female; D006801:Humans; D008297:Male; D009120:Muscle Cramp / Q000209:etiology; D009784:Occupational Diseases / Q000209:etiology*; D011187:Posture; D014796:Visual Perception