The modern workplace revolves around digital interfaces, yet prolonged exposure to these tools often leads to health issues. A recent systematic review and meta-analysis published in Work investigated the risk factors associated with computer-related musculoskeletal complaints, specifically focusing on the arm, neck, and shoulder (CANS). Researchers analyzed prospective cohort studies to understand how computer use duration and body mass index (BMI) contribute to these conditions.

The study findings revealed a clear link between daily habits and physical discomfort. Specifically, individuals using a computer or mouse for more than four hours per day faced a 25% higher risk of developing CANS. Furthermore, the analysis identified body mass index as a significant predictor. For every unit increase in BMI, the risk of experiencing these complaints rose by 5%. Consequently, these results emphasize that both occupational habits and personal health metrics significantly influence musculoskeletal well-being.

Addressing Computer-related Musculoskeletal Complaints

Addressing these risks requires a multi-faceted approach involving ergonomic interventions and lifestyle changes. Employers should consider implementing height-adjustable desks and encouraging frequent breaks to disrupt prolonged sedentary periods. Additionally, health promotion strategies that target weight management may offer a secondary benefit in reducing physical strain. By optimizing the workstation layout and maintaining a healthy BMI, workers can mitigate the long-term impact of sedentary occupational environments.

How can I reduce the risk of neck and shoulder pain at work?

You can reduce your risk by using ergonomic office equipment, taking regular movement breaks every hour, and maintaining a healthy weight through diet and exercise.

What are the main risk factors for CANS?

The primary risk factors identified include using a computer or mouse for more than four hours daily and having a higher body mass index (BMI).

Disclaimer: This content is for informational and educational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Refer to the latest local and national guidelines for clinical practice.

References

1. Rijal R et al. Computer use duration and body mass index as risk factors for arm, neck, and shoulder complaints among regular computer-using workers: A systematic review and meta-analysis. Work. 2026 Jun 02. doi: 10.1177/10519815261454977. PMID: 42228393.

2. World Health Organization. WHO guidelines on physical activity and sedentary behaviour. Geneva: World Health Organization; 2020.

3. Oakman J et al. Ergonomic Interventions in Office Environments: Impact on Employee Productivity and Health. Formosa Journal of Applied Sciences. 2024.