Results Level of evidence from 54 high and medium quality studies showed moderate evidence of a positive effect of physical exercise .
Within this domain , there was strong evidence of a positive effect of workplace strength training .
There was limited evidence for ergonomics and strong evidence for no benefit of participatory ergonomics , multifaceted interventions , and stress management .
No intervention domains were associated with “ negative effects ” .
Conclusions The evidence synthesis recommends that implementing strength training at the workplace can reduce MSD  among workers with physically dem and ing work .
In regard to workplace ergonomics , there was not enough evidence from the scientific literature to guide current practice s. Based on the scientific literature , participatory ergonomics and multifaceted workplace interventions seem to have no beneficial effect on reducing MSD among this group of workers .
Purpose This systematic review investigates the effectiveness of workplace interventions to rehabilitate musculoskeletal disorders ( MSDs ) among employees with physically dem and ing work .
Prevention of Low Back Pain in Female Eldercare Workers: Randomized Controlled Work Site Trial
Study Design . R and omized controlled trial . Objective . To evaluate the effectiveness of an ergonomic and psychosocial intervention in reducing  low back pain ( LBP ) among health care workers . Summary of Background Data . LBP and injuries are reported frequently among health care workers worldwide . Improvement of person-transfer techniques is the preferred tool in the prevention of both . Although popular , to our knowledge , any effect has not been documented in controlled trials . Methods . Study participants were eldercare workers from 19 eldercare groups r and omly assigned to the transfer technique , stress management , or reference arm . A total of 163 individuals ( 79 % of the source population ) participated in both baseline and follow-up after 2 years . Outcome was intra-individual change in rating of LBP during the past 3 and 12 months . Results . We found no difference in LBP in any of the intervention arms over the study period . Conclusion . The study showed no effect of a transfer technique or stress management program targeting LBP . Thus , there is a need for discussing other priorities in the prevention of LBP among health care workers
Results Level of evidence from 54 high and medium quality studies showed moderate evidence of a positive effect of physical exercise .
Within this domain , there was strong evidence of a positive effect of workplace strength training .
There was limited evidence for ergonomics and strong evidence for no benefit of participatory ergonomics , multifaceted interventions , and stress management .
No intervention domains were associated with “ negative effects ” .
Conclusions The evidence synthesis recommends that implementing strength training at the workplace can reduce MSD  among workers with physically dem and ing work .
In regard to workplace ergonomics , there was not enough evidence from the scientific literature to guide current practice s. Based on the scientific literature , participatory ergonomics and multifaceted workplace interventions seem to have no beneficial effect on reducing MSD among this group of workers .
Purpose This systematic review investigates the effectiveness of workplace interventions to rehabilitate musculoskeletal disorders ( MSDs ) among employees with physically dem and ing work .