PT Journal AU Roquelaure, Y Raimbeau, G Dano, C Martin, Y Pelier-Cady, M Mechali, S Benetti, F Mariel, J Fanello, S Penneau-Fontbonne, D TI Occupational risk factors for radial tunnel syndrome in industrial workers SO Scandinavian Journal of Work, Environment & Health PD 12VL PY 2000 BP 507 EP 513 IS 6 DI 10.5271/sjweh.575 WP https://www.sjweh.fi/show_abstract.php?abstract_id=575 DE force; MSD; musculoskeletal disorder; nerve entrapment; posture; radial nerve; work-related radial tunnel syndrome; work-related risk factor SN 0355-3140 AB '

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OBJECTIVES ': 'The aim of the study was to evaluate both nonoccupational and occupational factors associated with radial tunnel syndrome (RTS) among industrial workers in 3 large plants.'

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METHODS ': 'Twenty-one cases of RTS were compared with 21 referents matched for gender, age, and plant. RTS was associated with carpal tunnel syndrome (CTS) in 9 cases. Past medical history, household activities, and ergonomic and organizational characteristics of the job were analyzed.'

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RESULTS ': 'The study found 3 occupational risk factors for RTS. Exertion of force of over 1 kg [odds ratio (OR) 9.1, 95% confidence interval (95% CI) 1.4-56.9] more than 10 times per hour was the main biomechanical risk factor. Prolonged static load applied to the hand during work was strongly associated with RTS (OR 5.9, 95% CI 1.2-29.9). Work posture with the elbow fully extended (0-45 degrees) was associated with RTS (OR 4.9, 95% CI 1.0-25.0). Full extension of the elbow, associated with a twisted posture of the forearm, stressed the radial nerve at the elbow. However, personal activities, household chores, and sport and leisure activities were not associated with RTS.'

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CONCLUSIONS ': 'The study confirms that RTS occurs in workers performing hard manual labor that requires forceful and repetitive movements involving elbow extension and forearm prosupination.

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