ObjectivesThe aim of this systematic review was to identify from published literature the available evidence regarding the effects of warm-up intervention implemented in the workplace on work -related musculoskeletal disorders (WMSDs) and physical and psychosocial functions.DesignSystematic review.Data sourcesThe following four electronic databases were searched (from inception onwards to October 2022): Cochrane Central Register of Controlled Trials (CENTRAL), PubMed (Medline), Web of Science and Physiotherapy Evidence Database (PEDro).Eligibility criteriaRandomised and non-randomised controlled studies were included in this review. Interventions should include a warm-up physical intervention in real-workplaces.Data extraction and synthesisThe primary outcomes were pain, discomfort, fatigue and physical functions. This review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines and used the Grading of Recommendations, Assessment, Development and Evaluation evidence synthesis. To assess the risk of bias, the Cochrane ROB2 was used for randomised controlled trial (RCT) and the Risk Of Bias In Non-randomised Studies-of Interventions was used for the non-RCT studies.ResultsThree studies met the inclusion criterion, one cluster RCT and two non-RCTs. There was an important heterogeneity in the included studies principally concerning population and warm-up intervention exercises. There were important risks of bias in the four selected studies, due to blinding and confounding factors. Overall certainty of evidence was very low.ConclusionDue to the poor methodological quality of studies and conflicting results, there was no evidence supporting the use of warm-up to prevent WMSDs in the workplace. The present findings highlighted the need of good quality studies targeting the effects of warm-up intervention to prevent WMSDs.PROSPERO registration numberCRD42019137211.

IntroductionWork-related musculoskeletal disorders (WMSDs) are a growing worldwide burden and effective interventions to prevent them are needed. Physical activity at the workplace is now recognised as a relevant component of WMSDs prevention. Along these lines, warm-up interventions are now offered in a large number of companies to manage WMSDs. Although benefits of warm-up have been previously documented in sports context, to the best of our knowledge, the effectiveness of such intervention in workplaces still remains to be established. Within this context, the aim of the present review is to identify from published literature the available evidence regarding the effects of warm-up on WMSDs and physical and psychosocial functions.MethodsThe following electronic databases will be searched (from inception onwards to June 2020): Cochrane Central Register of Controlled Trials, PubMed (Medline), Web of Science and Physiotherapy Evidence Database. Randomised and non-randomised controlled studies will be included in this review. Participants should be adult employees without specific comorbidities. Interventions should include a warm-up physical intervention in real-workplaces. The primary outcomes will be pain, discomfort or fatigue. The secondary outcomes will be job control or motivation at work. This review will follow the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines and two team members will independently screen all citations, full-text articles and abstract data. A systematic narrative synthesis will be provided with information presented in the text and tables to summarise the characteristics and findings of the included studies.Ethics and disseminationThe approval of an ethical committee is not required. All the included studies will comply with the current ethical standards. The results of this review will summarise the effects of warm-up intervention on WMSDs, physical or psychosocial functions. This information could help professionals in decision making related to the use of these interventions to prevent WMSDs. Findings will be disseminated to academic audiences through peer-reviewed publications, as well as to policy-makers.PROSPERO registration numberCRD42019137211.

BACKGROUND: Physical activity programs at the workplace have shown positive results on physical capacities and pain for several years. Due to the duration of the training session or the need for an instructor, these supervised programs are rather difficult to implement. For this reason, numerous companies, especially companies in manual sectors, are turning to another solution, i.e. warm-up intervention before the work shift. These interventions present various advantages such as short duration and the possibility to perform exercises in working clothes. Surprisingly, while the positive effects of warm-up interventions on pain, performance, and physical and psychological capacities are expansively reported in the sport context, effects of workplace warm-up intervention are lacking. OBJECTIVE: The aim of this study is to assess the acute effects of three different warm-up interventions on physical (pain, strength, flexibility) and psychological (workload) functions and also on work-related outcomes (work performance, readiness to work) among vineyard workers. METHODS: A cluster randomized study will be implemented among French vineyard workers. Four groups of 30 participants will be constituted; corresponding to four different conditions: (1) hybrid warm-up intervention (HWU); (2) dynamic warm-up intervention (DWU); (3) stretching warm-up intervention (SWU); (4) no warm-up intervention (NWU). A total of 120 vineyard workers will be recruited to participate in the study. CONCLUSION: The results will provide more evidence about the short-term effects of warm-up interventions at the workplace and will provide more evidence on which warm-up modality is the most effective on pain, performance, and physical and psychological capacities among vineyard workers.

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Background Work related musculoskeletal disorders (WMSDs) are a growing worldwide burden and effective interventions to prevent them are needed. Physical activity at the workplace is now recognized as a relevant component of WMSDs prevention. To ensure feasibility and sustainability of workplace physical activity programs, there is a clear need to implement interventions that do not take a large amount of time and that are easy to integrate in daily workplace routines. Along these lines, warm-up interventions are now offered in a large number of companies to manage WMSDs. Although benefits of warm-up have been previously documented in sports context, to the best of our knowledge, the effectiveness of such intervention in workplaces still remains to be established. Within this context, the aim of the present review is to identify from published literature the available evidence regarding the effects of warm-up on WMSDs and physical and psychosocial functions. Methods We will search the following electronic databases (from inception onwards): MEDLINE, EMBASE, and Cochrane Library (Cochrane Database of Systematic Reviews and CENTRAL). Randomized and non-randomized controlled studies will be included in this review. Participants of the included studies should be adults employees without specific comorbidities. Interventions should include a warm-up physical intervention in real-workplaces. The primary outcomes will be pain, discomfort or fatigue. The secondary outcomes will be job control or motivation at work. This review will follow the PRISMA guidelines and two team members will independently screen all citations, full-text articles, and abstract data. Two team members will independently screen all citations, full-text articles, and abstract data. Potential conflicts will be resolved through discussion. The study risk of bias and strength of the body of evidence will be appraised using appropriate tools. A systematic narrative synthesis will be provided with information presented in the text and tables to summarize and explain the characteristics and findings of the included studies. The narrative synthesis will explore the relationship and findings both within and between the included studies. This review will include adult employees (18 years of age or older) and will exclude adults with specific comorbidities or diseases (such as diabetes, arthritis, cancer, stroke) and/or special populations (pregnant, severe or rare physical disability, or cognitive disability). Discussion This review will summarize the evidence on the effects of effects of warm-up intervention on WMSDs, physical or psychosocial functions. This information could help professionals and researchers in decision-making related to the use of warm-up intervention to prevent WMSDs and their adverse consequences. This review will further identify gaps in knowledge in this field that could be addressed in forthcoming studies. Registration This protocol has been registered in PROSPERO (CRD42019137211)