Musculoskeletal disorders (MSDs) often involve the back, wrist, elbow, and/or
shoulder, and occur when workers are exposed over time to MSD risk factors, such
as awkward postures, forceful exertions, or repetitive motions. These exposures
sometimes occur due to poorly designed workstations, tasks, and/or hand tools.
Workers must understand the nature of MSD risk factors and how to avoid exposure
to them. Supplementing training with practical, hands-on demonstrations may further
reinforce these ergonomic principles and help workers understand the importance
of avoiding exposure to MSD risk factors.
A video, published by the National Institute for Occupational Safety and Health
(NIOSH) consists of a series of demonstrations designed to complement training
on ergonomic principles.
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