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When Your Body Beats You: Preventing Over-Exertion and Musculoskeletal Injury Stats and Facts

FACTS

  1. Overexertion Strain: Lifting, pulling, or pushing beyond your strength causes sudden muscle and tendon overload, leading to sprains, strains, and tears.
  2. Repetitive Motion Fatigue: Repeating the same movement for long periods breaks down tissue faster than it can repair, increasing the risk of chronic injury.
  3. Awkward Postures: Working with your back twisted, arms overhead, or knees bent puts joints under abnormal stress that leads to musculoskeletal damage.
  4. Forceful Exertion: Tasks requiring high physical force—like lifting heavy tools, dragging hoses, or handling materials—increase the chance of acute back and shoulder injuries.
  5. Poor Warm-Up: Starting heavy physical work without preparing the body reduces flexibility and muscle readiness, raising the risk of sudden strain.
  6. Fatigue-Driven Errors: Physical exhaustion reduces body control and reaction time, causing slips, improper lifting, and uncontrolled movements.

STATS

  • In the US, musculoskeletal disorders (MSDs) resulted in 976,090 days-away, restricted, or transferred (DART) cases in the private sector during 2021-2022, with overexertion as a primary cause.
  • Overexertion accounted for nearly 22% of all workplace injuries in the US in 2020, leading to significant lost work time and contributing to MSD prevalence.
  • In Canada, MSDs represent about 35% of lost-time claims submitted to WorkSafeNB from 2020-2024, often stemming from overexertion in repetitive or forceful tasks.
  • US employers face an estimated $20 billion annually in workers' compensation costs for over 1 million MSD injuries, predominantly from overexertion and bodily reaction (2020-2025 data).
  • In 2022, Canada recorded 348,747 accepted lost-time injury claims, with overexertion and MSDs disproportionately affecting high-risk sectors like manufacturing and healthcare.
  • Overexertion incidents in the US caused an incidence rate of 51.0 per 10,000 full-time workers in 2020-2022, resulting in a median of 11-12 days away from work per case.