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Journal of Occupational & Environmental Medicine:
doi: 10.1097/JOM.0b013e3181a8663a
Original Articles

The Effect of Worksite Physical Activity Intervention on Physical Capacity, Health, and Productivity: A 1-Year Randomized Controlled Trial

Pedersen, Mogens T. PhD; Blangsted, Anne K. PhD; Andersen, Lars L. PhD; Jørgensen, Marie B. MS; Hansen, Ernst A. PhD; Sjøgaard, Gisela PhD, DrMedSc

Continued Medical Education
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Objective: To investigate the effect of two contrasting physical activity worksite interventions versus a reference intervention (REF) on various health outcomes.

Methods: A 1-year randomized controlled trial was conducted with specific resistance training (SRT), all-round physical exercise (APE), and REF.

Results: SRT and APE compared with REF showed significant reductions in systolic blood pressure (∼6 mm Hg), body fat percentage (∼2.2 body fat%), as well as shoulder and back pain (∼30% reduction in duration). Muscle strength (APE and SRT) and maximal oxygen uptake (APE) increased approximately 10%.

Conclusions: Worksite intervention with both SRT as well as APE is recommended, since these activities compared with REF resulted in clinically relevant reductions of cardiovascular and metabolic syndrome-related risk factors as well as musculoskeletal pain symptoms, in combination with minor increases in physical capacity.

©2009The American College of Occupational and Environmental Medicine


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