Ergonomics Enews

Where do exoskeletons fit in the hierarchy of controls?

hierarchy of controls

The effectiveness of controls in the workplace are often described in terms of where they rank on the hierarchy of controls. At the top of the hierarchy (most effective risk control), we have elimination, followed by substitution, engineering controls, and administrative controls and personal protective equipment (PPE) at the lower end (least effective). 

Exoskeletons are wearable devices that interact with the body to improve physical capabilities; however, they do not reduce the risk factors present within the workplace. Since there is no impact on workplace MSI risk factors (see section 4.49 of the Occupational Health and Safety Regulation), exoskeletons should be considered as PPE, which is at the bottom of the hierarchy of controls.   

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