Hand-Arm Vibration Syndrome
What Is Hand-Arm Vibration?
Hand-arm vibration is the transfer of vibration from a tool or work piece to a worker’s hands and arms. The level of hand-arm vibration is determined by measuring the acceleration of the tool or object grasped by the worker.
What Is Hand-Arm Vibration Syndrome (HAVS)?
Hand-arm vibration syndrome is a disease that involves circulatory disturbances, sensory and motor disturbances and musculoskeletal disturbances. While it has been known since the beginning of the 20th century that vibration affects the hands and arms, it was not until 1983 that scientists agreed on a definition of HAVS that includes the circulatory, nervous and musculoskeletal systems.
What Is The Cause Of HAVS?
Daily exposure to hand and arm vibration by workers who use vibrating tools powered by compressed air, gasoline or electricity (e.g. powered hammers, jackhammers, chisels, chainsaws, sanders, grinders, riveters, breakers, drills, compactors, sharpeners and shapers) can cause physical damage to the hands and arms. Some of the trades/industry in which workers are at risk include construction, forestry, foundry, quarry, shipyard, railroad, assembly manufacturing, mining and agriculture.
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