EFFECTS OF INCREASED BODY MASS ON BIOMECHANICAL STRESSES AFFECTING WORKER SAFETY AND HEALTH DURING STATIC LIFTING TASKS

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Title:	EFFECTS OF INCREASED BODY MASS ON BIOMECHANICAL STRESSES AFFECTING WORKER SAFETY AND HEALTH DURING STATIC LIFTING TASKS
Author:	BLANTON, DOUGLAS MATTHEW
Description:	Hypotheses: 1)Increased weight without posture adaptation will increase strength requirements measured by percent capable values in joint moment strengths. 2)The Recommended Weight Limit predicted by the NIOSH lifting equation does not guarantee that the L5/S1 compression force stays below the 3400 N recommended maximum for obese individuals in certain lifting postures. Methods: Data was input for a series of lifting postures. The percent capable at the ankle, knee, hip, torso, shoulder, and elbow as well as the compression force at the L5/S1 vertebrae were recorded for a variety of body weights and hand loads. Results: The results of the current pilot study indicate a relationship between increased body mass and a decrease in percent capable values. The study also demonstrates that for certain obese individuals, the NIOSH Revised Lifting Equation does not limit L5-S1 compression forces to below the 3400 N recommended threshold.
Permanent Link:	http://rave.ohiolink.edu/etdc/view?acc_num=ucin1085070142 http://hdl.handle.net/2374.OX/10810
Date:	2004

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