Low-back pain

Low-back pain is a common disorder involving the muscles, nerves and bones of the back. Pain can vary from a dull constant ache to a sudden sharp feeling. Low-back pain is usually classified by duration as acute (pain lasting less than six weeks), sub-chronic (six to 12 weeks) or chronic (more than 12 weeks). IWH research looks at the occupational risk factors for back pain, how to treat and manage it, and prognostic factors related to recovery and return to work.

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A man sitting on a couch holds his shoulder in pain
At Work article

IWH study finds 7 in 10 injured workers still experience pain more than a year after injury

A high proportion of injured workers in Ontario experience persistent pain for well over a year after their work-related injury. According to an IWH study of workers' compensation lost-time claimants, 70 per cent of workers experience pain 18 months after their work injury.
Published: September 30, 2022
Research Highlights
Research Highlights

Some herbal drugs may ease back pain in short term

A Cochrane review of treatments for low-back pain finds positive results for three herbal medicines, particularly Devil's Claw. However, no evidence exists to suggest that any of these substances are safe and useful for long-term use.
Published: January 2006
Research Highlights
Research Highlights

Is traction effective in treating low-back pain?

Based on current evidence, traction as a single treatment is not effective for patients with low-back pain, with or without sciatica. However, there are very few high-quality studies in this field.
Published: January 2006