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What is the primary objective of this study?

Work-related musculoskeletal disorders are highly disabling. Therefore, finding preventive solutions is fundamental, in order to reduce the damages to workers and society. Therefore the objective of this study will be to evaluate the effect of passive and active pauses in the control of musculoskeletal complaints of office workers. This is a randomized controlled trial by cluster, which will be performed with 286 office workers (administrative sectors). Employees with physical disabilities will not be included in the study. The workers will be distributed into three groups: active control group, and the two intervention groups massage and workout gymnastics. The active control group and the other groups will be guidelines on ergonomic adjustments of the work station, and performing a 10-minute break every 50 minutes work. The intervention groups (passive and active) will receive different interventions: group massage in the chair and group gymnastics labor. The massage will be performed 2x per week for 10 minutes, and workout 2x per week for 15-20minutes. The primary outcomes assessed will be musculoskeletal complaints of pain intensity. And as a secondary outcome will be the ability to work, perception of ergonomic risk factors, psychosocial factors and fatigue, level of physical activity. Outcomes will be assessed at baseline and after 4 months. It is expected that exercise intervention (active pause) is more effective than passive pause (massage), and that pause and guidance can reduce musculoskeletal complaints, pain intensity, and other outcomes evaluated.

Who is eligible to participate?

Inclusion Criteria: - Office workers, who work at least six hours a day in a sitting position, will be included. Exclusion Criteria: - Physical disability employees will not be included.

Which medical condition, disease, disorder, syndrome, illness, or injury is researched?

Occupational Diseases

Work-related Injury

Study Interventions

Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.

Other:Shiatsu massageThe shiatsu massage will be during the rest break by 15 minutes.

Other:Physical ExerciseThe Physical Exercise will be during the rest break by 15 minutes.

Study Arms

Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.

Control groupAll workers will receive ergonomics instructions. Instruction for rest break.

Passive rest break - Shiatsu massageAll workers will receive ergonomics instructions. The workers will be receive "quick massage" using shiatsu techniques.

Active rest break - Physical Exercise ProgramAll workers will receive ergonomics instructions. The workers will be receive exercises during the rest break.

Study Status

Recruiting

Start Date: June 20, 2018

Completed Date: December 3, 2018

Phase: N/A

Type: Interventional

Design:

Primary Outcome: Change from Musculoskeletal complains at 4,8,12,16 weeks

Secondary Outcome: Change from Work Ability Index (WAI) at 16 weeks

Study sponsors, principal investigator, and references

Principal Investigator:

Lead Sponsor: Universidade Cidade de Sao Paulo

Collaborator:

More information:https://clinicaltrials.gov/show/NCT03559153