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J Occup Environ Med. 2019 Nov;61(11):e445-e451. doi: 10.1097/JOM.0000000000001712.

Effects of a Physical Therapist Led Workplace Personal-Fitness Management Program for Manufacturing Industry Workers: A Randomized Controlled Trial.

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Graduate School of Medical Science, University of Occupational and Environmental Health (Mr Matsugaki); Rehabilitation Center, University Hospital of Occupational and Environmental Health (Mr Matsugaki); Renesas Electronics Corporation, Oita Factory, Oita (Ms Sakata); Department of Rehabilitation Medicine (Dr Itoh, Dr Matsushima, Dr Saeki), University of Occupational and Environmental Health, Japan.



Workplace fitness programs are used to improve worker physical capacity. We aimed to evaluate the effectiveness of physical therapist (PT) led personal-fitness management programs (PP) on manufacturing worker physical performance assessed using a 30-second chair stand (CS-30) test.


This assessor-blinded, randomized controlled trial enrolled 60 manufacturing workers allocated to a workplace PP group (PPG) or control group (CG). The PPG received monthly, PT managed, individualized PP for 6 months. The CG received a 90-minute group-fitness management course once during the study period.


CS-30 significantly improved in both groups (PPG and CG, Pā€Š<ā€Š0.001) following the intervention. There were significant group-time interaction effects, and the PPG experienced a significantly greater improvement in CS-30 results compared with CG (Pā€Š<ā€Š0.001).


Individualized PT-led workplace PP may be more effective in improving worker physical performance.

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