title: Are pushing and pulling strong risk factors for occupational shoulder disorders?
authors.forename: Nancy A
authors.initials: NA
authors.lastname: Nelson
mesh_terms: D001696:Biomechanical Phenomena; D006801:Humans; D016273:Occupational Exposure / Q000009:adverse effects* / Q000032:analysis; D012307:Risk Factors; D020069:Shoulder Pain / Q000453:epidemiology / Q000209:etiology*