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Heavy Lifting Training Wont Prevent Back Strains, Study Says

A new systematic review determined that training workers to correctly lift heavy objects does not necessarily prevent back injuries.

Researchers from various hospitals worldwide examined a total of 11 studies for the review, which was published on, a British Medical Association Web site. Eight of the studies dealt with health workers who manually handled patients and three studies addressed baggage handlers and postal workers.

The study participants worked in jobs where back strain was prevalent and where training interventions could alleviate strain. None of the workers were actively seeking treatment for back pain. Researchers studied one group that received training and one group that did not, but found no difference in reported back pain.

Another trial showed no significant difference in back pain between one group that received training and another group of workers who were provided with back belts. Training and physical exercise were also compared in a trial and again, no difference in back pain was found during a follow-up less than a year later.

Finally, a group receiving both training and assistive devices was compared to a group given training only and a control group that received nothing. A follow-up revealed no difference in back pain.

Workers Should Still Receive Training

The researchers say either advocated techniques do not actually reduce the risk of back injury, or workers do not significantly change their habits enough to make any difference. They conclude that a better understanding of the relationship between work-related back stress exposure and the subsequent development of back pain is needed in order to develop new, innovative ways to prevent back pain caused by lifting.

Researchers stressed that although study results indicate that training has little to no effect on the incidence of back pain, employers should ensure workers receive proper training and information on correct handling methods and exposure risks.

In an accompanying editorial, Associate Professor Niels Wedderkopp from the Finnish Institute Occupational Health said that the common advice for people with back pain to stay as physically active as possible may not be appropriate for workers who perform heavy lifting.

“A change of job and (prudently) staying active in daily life may be the best way for these patients to regain command of their back and their occupation,” he said.

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