According to the Bureau of Labor Statistics, injuries to the back resulted in 19.6 percent of work nonattendance cases related to injury in 2012. Many workers, even after recuperation, encounter risk of further injury by repeating poor lifting practices.

Lifting Coach is a sensor system designed to mitigate the risk of on-the-job back injury. This system includes insole sensor hardware and accelerometers that integrate with a mobile application for real-time feedback. The app audibly warns users when they use a high-risk posture or operate beyond their load capacity. It also advises users to take breaks or make postural changes. Lifting Coach helps employers manage operations and adjust work practices by recording workers’ risk estimation results for each shift and generating daily reports that indicate worker fatigue and exertion.