A longitudinal study of low-back pain as associated with occupational weight lifting factors.
D000328:Adult; D001416:Back Pain / Q000453:epidemiology / Q000209:etiology* / Q000503:physiopathology; D001696:Biomechanical Phenomena; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D009784:Occupational Diseases / Q000209:etiology*; D009787:Occupational Medicine; D005082:Physical Exertion; D010865:Pilot Projects; D014481:United States