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Repetitive Tasks can Cause Bone Injury

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PHILADELPHIA, Nov 11, 2003 (United Press International via COMTEX) -- Researchers at Temple University in Philadelphia say highly repetitive work tasks do indeed cause bone damage.

However, experts disagree on whether work tasks alone can be the exact cause of work-related musculoskeletal disorders, known as WMSD, such as carpal tunnel syndrome.

"Because multiple factors play a role in the development of WMSD, including work tasks, home activities and medical conditions such as diabetes or heart disease, we studied work tasks alone to isolate their impact," said study author Ann Barr, associate professor of physical therapy at Temple University.

"This information is critical in helping industry and medicine establish workplace guidelines to prevent WMSD."

The study, published in the Journal of Bone and Mineral Research, found a direct relationship between repetitive, low-force movement and the inflammation of muscles, bone, nerves and connective tissue typical of WMSD.

WMSD including carpal tunnel syndrome, osteoarthritis and tendonitis, make up 65 percent of all occupational illnesses and cost industry tens of billions of dollars each year.

Copyright 2003 by United Press International.

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