Electromyographic effects of ergonomic modifications in selected meatpacking tasks

Thomas M. Cook; Paula M. Ludewig; John C. Rosecrance; Chris L. Zimmermann; David G. Gerleman

doi:10.1016/S0003-6870(98)00024-6

Electromyographic effects of ergonomic modifications in selected meatpacking tasks

Thomas M. Cook, Paula M. Ludewig, John C. Rosecrance, Chris L. Zimmermann, David G. Gerleman

Physical Therapy

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Abstract

This project evaluated the feasibility of a new method of collection of electromyographic (EMG) data during working conditions in industry, and quantified the effects of specific job modifications on the EMG activity of selected upper extremity muscle groups. Average root mean square (RMS) surface EMG activity, calibrated to force equivalent units, was collected on 20 workers from three pork processing tasks before and after ergonomic modifications to their tasks. Significant reductions in muscle effort were detected in the biceps and/or wrist and finger flexors after modification for two of the three tasks. This EMG measurement technique can be used to objectively validate reduced muscle effort with ergonomic modifications.

Original language	English (US)
Pages (from-to)	229-233
Number of pages	5
Journal	Applied Ergonomics
Volume	30
Issue number	3
DOIs	https://doi.org/10.1016/S0003-6870(98)00024-6
State	Published - Jun 1999

Bibliographical note

Funding Information:
This project was partially supported by grants from the Center for Disease Control (CDC R49/CCR 703640-05) and the US Department of Education (H133P20018-95).

Keywords

Cumulative trauma disorders
Electromyography
Ergonomics
Meatpacking

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abstract = "This project evaluated the feasibility of a new method of collection of electromyographic (EMG) data during working conditions in industry, and quantified the effects of specific job modifications on the EMG activity of selected upper extremity muscle groups. Average root mean square (RMS) surface EMG activity, calibrated to force equivalent units, was collected on 20 workers from three pork processing tasks before and after ergonomic modifications to their tasks. Significant reductions in muscle effort were detected in the biceps and/or wrist and finger flexors after modification for two of the three tasks. This EMG measurement technique can be used to objectively validate reduced muscle effort with ergonomic modifications.",

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note = "Funding Information: This project was partially supported by grants from the Center for Disease Control (CDC R49/CCR 703640-05) and the US Department of Education (H133P20018-95).",

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AU - Rosecrance, John C.

AU - Zimmermann, Chris L.

AU - Gerleman, David G.

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Electromyographic effects of ergonomic modifications in selected meatpacking tasks

Abstract

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