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Strains and sprains from lifting or moving objects are major types of workplace
injuries. Workers should be involved with analyzing and assessing these job
tasks for risk of injury. When the lifting or moving of objects has been
assessed as a risk, the first control option should be redesign (i.e.,
redesigning the task so that the risk is completely eliminated). If this is not
possible, the risk should be reduced through the use of mechanical aids and
training.
Factors that should be considered in assessing one of these tasks for risk:
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Weight - A lighter load normally means a lesser risk of injury. The weight of
the objects should be within the capacity of the operator to handle safely.
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Type of handling - It is easier to pull or push a load, than to lift, put down
or carry it.
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Position of the load - When lifting, there is much less force on the spine if
the load is held in front and comfortably close to the body. Twisting and
bending during lifting puts more force on the spine and increases risk of
injury, even for light loads.
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Frequency - The more times a load is handled, the more tired the muscles
become, making it easier to be injured.
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Distance - The farther the load has to be moved, the greater the risk of
injury.
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Duration - Where the job involves repetitive movements, reducing the time spent
on handling will help to ensure the movements are not causing unnecessary
strain.
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Forces applied - Apply forces smoothly, evenly and close to the body. Forces
exerted should be well within the capacity of the operator and should not be
applied with poor posture.
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Nature of the load - Loads that are compact, stable, easy to grip and capable
of being held close to the body are much easier to handle.
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Terrain - Rough ground, steep slopes, slippery and uneven floors, stairs and
cluttered floors make moving a load awkward and increase the chance of injury.
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Environment - If it is too hot, too humid, too cold, or the lighting is
inadequate, the capacity to work well is reduced.
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Condition of the workplace - Provide safe and comfortable working conditions,
with adequate space to perform the task, and tools and equipment that are
well-maintained.
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Age/gender - Young employees and older workers may be at increased risk of
injury from lifting or moving objects.
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Training - Provide proper training to any employee lifting or moving objects.
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Team lifting - If one person cannot lift or move a heavy, large or awkward
object safely, organize a team lift. Team lifting reduces the risk of injury,
reduces fatigue and makes the task much easier.
COPYRIGHT ©2003, ISO Services, Inc.
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