Work-related repetitive strain injury is a SINAN occupational health concept covering repetitive strain injury and work-related musculoskeletal disorders, used as a notifiable disease or health event entity in Brazil's national surveillance and investigation system [1]. It is characterized by overload-related tendon lesions without rupture causing pain, morphological alterations, and disability, as seen in conditions such as rotator cuff tendinopathy [3].
Disease overview
Other Evidence-backed information EN 1/6 applicable sections · ZH 1/6 applicable sections Updated Oct 23, 2026
Work-related repetitive strain injury is a nationally notifiable occupational health entity within Brazil's SINAN surveillance system, defined as a concept for repetitive strain or work-related musculoskeletal disorders [1]. In a 2003 Canadian national survey, the prevalence of upper-body work-related repetitive strain injury among full-time workers was 5.9%, with leisure-time physical activity associated with lower occurrence [2]. The condition is also described as a cause of tendon lesions without rupture, such as in rotator cuff tendinopathy, producing pain and disability [3].
Read the full clinical and epidemiological profile 2
- 1 Brazil Ministry of Health SINAN. SINAN registry entity: Work-related repetitive strain injury [Internet]. cited 23 Oct 2026. Available from: https://www.gov.br/saude/pt-br/composicao/svsa/sistemas-de-informacao/sinan
- 2 Ratzlaff CR et al. Work-related repetitive strain injury and leisure-time physical activity. Arthritis Rheum. 2007 Apr 15. PMID: 17394178. doi: 10.1002/art.22610. PubMed: https://pubmed.ncbi.nlm.nih.gov/17394178/
- 3 de-Queiroz JHM et al. Exercise for rotator cuff tendinopathy. Rev Bras Med Trab. 2022 Jul-Sep. PMID: 36793454. doi: 10.47626/1679-4435-2022-698. PubMed: https://pubmed.ncbi.nlm.nih.gov/36793454/
- M70-M79
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