Exercise training reduces workload, improves physical performance, and promotes overall health in welders

Journal of Occupational Health
Christopher WeyhFrank-Christoph Mooren

Abstract

Welders demonstrate a significant prevalence of work-related musculoskeletal disorders as indicated by high rates of illness-related absenteeism. The aim of the study was to investigate the effects of a 24-week exercise program on workload, physical performance, and overall health in welders. Seventy-seven professional welders were assigned to either a control group (CG), an endurance training group (ETG), or a strength training group (STG). Both groups conducted a 24-week, standardized and progressive endurance or resistance exercise training program. Before (TP1) and after training (TP2) all participants performed an experimental welding task (EWT) in order to test the hypothesis that training would reduce the relative load (%MVC) of eight skeletal muscles measured by surface electromyography. Secondary outcome measures included further EWT-induced stress parameters and a series of health-related outcome measures. Results revealed a lower muscle load in participants of the ETG and STG for trapezius muscle at TP2 compared to T1 (P < .05 vs CG). Rate of perceived exertion and visual analogue scale were decreased, while increase of maximum EWT duration was found in participants of the ETG and STG after training (P < .05 vs CG). ...Continue Reading

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Citations

Oct 28, 2020·Occupational Medicine·C WeyhK Krüger
Jun 8, 2021·Frontiers in Public Health·Lilian Lourenço, Sílvia Luís
Oct 6, 2021·International Journal of Occupational Safety and Ergonomics : JOSE·Christian PilatFrank-Christoph Mooren

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