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Life-time occupational exposure to heavy work and individual physical capacity |
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| Authors: | Clas-Hkan Nygrd sa Kilbom Ewa Wigaeus Hjelm Jrgen Winkel |
| Affiliation: | a University of Tampere, Department of Public Health, P.O. Box 607, FIN-33101, Tampere, Finland b National Institute of Occupational Health, S-17184, Solna, Sweden c Karolinska Hospital and Institute, Departments of Epidemiology / IMM, Occupational Health, Orthopaedics, Rheumatology, and Rehabilitation and Physical Medicine, Stockholm, Sweden d National Institute of Occupational Health, Divisions of Applied Work Physiology, Occupational Health, Psychophysiology, and Work and Environmental Psychology, Solna, Sweden e National Institute of Psychosociological Factors and Health, Stockholm, Sweden |
| Abstract: | The aim of the present study was to retrospectively analyze the effect of occupational physical activity on maximal isometric hand grip strength and maximal oxygen consumption among males and females between 19 and 64 years of age in different occupations. A life-time occupational physical activity index was formed from questions in a questionnaire. The maximal isometric hand grip strength was measured with a dynamometer and maximal oxygen consumption was estimated from a submaximal bicycle ergometer test. The results showed a negative correlation between physical activity and estimated maximal oxygen consumption among males but no other statistically significant associations between life-time physical activity and the present physical capacity was found. The present results suggest that a high level of occupational physical activity does not maintain individual physical capacity. |
| Keywords: | Aerobic capacity Metabolic rate Muscle strength Physical work Work history |
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