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App Calculates Manual Lifting Safety

The Lifting Index (LI) is an index of the relative physical stress associated with a single, particular manual lifting task.

August 21, 2017
The Lifting Index (LI) is an index of the relative physical stress associated with a single, particular manual lifting task.

The National Institute for Occupational Safety and Health (NIOSH), has released its new mobile app that estimates risks of injury involved with lifting tasks.  

The NLE Calc app calculates the composite lifting index (CLI) for multiple lifting tasks. Research shows that exposure to repetitive motion, force, vibration, and awkward positions puts workers at risk for developing work-related musculoskeletal injuries. NIOSH wanted to develop a mobile application based on the Revised NIOSH Lifting Equation (RNLE) to help practitioners and researchers determine guidelines for job-related manual lifting tasks.

The Lifting Index (LI) is an index of the relative physical stress associated with a single, particular manual lifting task.

The composite LI or CLI is an index of the overall physical stress for performing multiple lifting tasks.

To calculate the LI, the app takes into consideration such things as the load weight, how the load is carried in relationship to the worker's body, how often the load is lifted, how often, travel distance, and the amount of control the worker must use to grasp and place the load.

NIOSH recommends an LI and CLI of 1 or less for protecting workers from physical stress related to development of low back disorders.

The free NLE Calc is available On iTunes or Google Play. Search for NLE Calc.

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