Mechanical Contact Stress

Last updated: October 25, 2020

What Does Mechanical Contact Stress Mean?

Mechanical contact stress is the force applied to specific parts of an employee's body as they come in continual contact with an inflexible surface such as a tool, workstation, or machine while performing assigned tasks within the workplace, which puts these particular body areas under increasing levels of pressure, and results in a compression of bodily tissues.


WorkplaceTesting Explains Mechanical Contact Stress

Mechanical contact stress occurs when sensitive bodily tissues continually come in contact, whether through pressure or rubbing, with an inflexible surface while an employee performs assigned tasks within the workplace.

This can describe an internal process in the employee's body as blood vessels, nerves, or tendons are continually pressed or bent against hard surfaces such as tools, or an external process as parts of the employee’s body constantly rub against equipment or different aspects of a workstation.

Examples of this include the pressure applied to hands by constant hammering, or the pressure applied to the lower extremities by having to sit in a chair for prolonged periods without sufficient space for one’s knees. Mechanical contract stress can affect blood flow, nerve functioning, and the range of motion of muscles and tendons.


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