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Ergonomics tip of the day: metabolism

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Ergonomics tip of the day: metabolism - August 12, 2007 6:12:00 PM   
Nicole Matoushek PT MPH CSHE CEES


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Joined: January 16, 2005
From: St. Petersburg, FL
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Work related injuries often result from muscle fatigue from physical work demands, postural strain and the inability of the muscles/tissues to recover.  When a muscle can no longer sustain work efficiently, the muscle becomes overloaded resulting in microtrauma.  Local muscle fatigue is suspect to be a large contributor of CTDs.  Therefore ensuring adequate blood supply to working muscles is a key goal in ergonomics/work injury management and prevention.

Since aerobic metabolism generates almost 20 times as much ATP for energy as does anaerobic metabolism. The effects of muscle fatigue can be minimzed by ensuring work load intensity is low enough so that adequate oxygenation and perfusion to the working tissues is achieved.


Nicole Matoushek, PT, MPH, CSHE, CEES
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