Ergonomic Issues—Arms and Shoulders

Poor workplace design can injure the arms and shoulders of warehouse workers. Tasks that require employees to work with their arms outstretched or their elbows up may result in fatigue of the muscles in the arms and shoulders. There may be pain and injury caused by compression and entrapment of the nerves that run through the shoulder, similar to carpal tunnel syndrome of the wrist. The entrapment of the nerves in the shoulder is a condition known as thoracic outlet syndrome. 

Risk factors identified with cumulative trauma in upper extremities are  

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