WHAT IS A MUSCULOSKELETAL INJURY (MSI)? 

MSI is an injury or disorder to the muscles, tendons, ligaments, joints, nerves, blood vessels or related  soft tissue. MSIs include injuries such as sprains, strains, carpal tunnel syndrome, bursitis, and tendonitis. 

WHY IS PREVENTION IMPORTANT? 

• MSIs accounted for 31% of healthcare WCB Claims in 2022. 

• An average of 1677 WCB claims per year in healthcare were from MSIs in 2018-2022. 

• An average of 40% of reported MSI injuries between 2018-2022 resulted in time loss. 

• Workers are experiencing MSI injuries at a high rate resulting in time away from work.

For further information please go to Safe Work Manitoba, Injury and Illness Statistics

SIGNS AND SYMPTOMS OF INJURY 

• Signs that can be physically observed or felt include: redness, swelling, decreased range of motion, and loss of strength. 

• Symptoms that cannot be seen include: pain, discomfort, aching, numbness, tingling, burning, stiffness, and fatigue. 

If a worker experiences symptoms of a MSI, the supervisor must be informed, and the worker should report to the first aid attendant for medical attention.

Signs and symptoms of MSI may appear suddenly from a single event (Acute MSI), or they may appear gradually over time (Chronic MSI). Workers must be trained:

• Not to ignore early signs and symptoms of MSI. 

• How to properly report their signs and systems. 

• To seek treatment to prevent the injury from getting worse. 

For further information refer to Manitoba Workplace Safety and Health Regulation: 

Part 8 - Musculoskeletal Injuries

Part 39 - Health Care Facilities

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