PET effects on physical fitness in  healthy workers  are moderated by age ( CRF ) and occupation type ( muscular endurance ) .
Further , independently computed subgroup analyses indicated that the training period of the PET programs may play an important role in improving CRF in workers
There is evidence that physical exercise training ( PET ) conducted at the workplace is effective in improving physical fitness and thus health .
However , there is no current systematic review available that provides high-level evidence regarding the effects of PET on physical fitness in the workforce .
To quantify sex- , age- , and occupation type-specific effects of PET on physical fitness and to characterize dose – response relationships of PET modalities that could maximize gains in physical fitness in the working population .
Long Term Effects on Risk Factors for Cardiovascular Disease after 12-Months of Aerobic Exercise Intervention - A Worksite RCT among Cleaners
Objectives Occupational groups exposed to high occupational physical activity have an increased risk for cardiovascular disease ( CVD ) . This may be explained by the high relative aerobic workload . Enhanced cardiorespiratory fitness reduces the relative aerobic workload . Thus , the aim was to evaluate the 12-months effects of worksite aerobic exercise on risk factors for CVD among cleaners . Methods One hundred and sixteen cleaners aged 18–65 years were r and omized to a group performing aerobic exercise and a reference group receiving lectures . Outcomes were collected at baseline and after 12-months . A repeated measures 2 × 2 multi-adjusted mixed-model design was applied to compare the between-group differences using intention-to-treat analysis . Results Between-group differences ( p<0.05 ) were found favouring the aerobic exercise group : cardiorespiratory fitness 2.15 ( SE 1.03 ) mlO2/min/kg , aerobic workload -2.15 ( SE 1.06 ) % HRR , resting HR -5.31 ( SE 1.61 ) beats/min , high sensitive C-reactive protein -0.65 ( SE 0.24 ) μg/ml . The blood pressure was unaltered . Stratified analyses on relative aerobic workload at baseline revealed that those with relative aerobic workloads ≥30 % of HRR seems to impose a notable adverse effect on resting and ambulatory blood pressure . Conclusion This long-term worksite aerobic exercise intervention among cleaners led to several beneficial effects , but also potential adverse effects among those with high relative aerobic workloads . Trial Registration Controlled-Trials.com IS RCT
PET effects on physical fitness in  healthy workers  are moderated by age ( CRF ) and occupation type ( muscular endurance ) .
Further , independently computed subgroup analyses indicated that the training period of the PET programs may play an important role in improving CRF in workers
There is evidence that physical exercise training ( PET ) conducted at the workplace is effective in improving physical fitness and thus health .
However , there is no current systematic review available that provides high-level evidence regarding the effects of PET on physical fitness in the workforce .
To quantify sex- , age- , and occupation type-specific effects of PET on physical fitness and to characterize dose – response relationships of PET modalities that could maximize gains in physical fitness in the working population .