Define Ergonomics. List the common rule of Ergonomics. Describe the work related to upper limb disorder.

Ergonomics is the scientific study of designing and arranging objects and environments to optimize human performance and well-being. It is concerned with creating products, systems, and workspaces that are tailored to the capabilities and limitations of the people who use them. The primary goal of ergonomics is to reduce the risk of injury, enhance productivity, and improve overall comfort and satisfaction in various settings, including the workplace. Here are some common principles and rules of ergonomics:

1. Workstation Design: Ergonomics places a strong emphasis on creating well-designed workstations. This involves configuring computer workstations, assembly lines, and other work environments in a way that minimizes strain and discomfort. Key aspects include the arrangement of desks, chairs, computer monitors, keyboards, and other equipment.

2. Posture and Body Mechanics: Ergonomics encourages individuals to maintain proper posture and body mechanics while performing tasks. This includes sitting with a neutral ________ ____ ___ ____ ________ _________ ___ __________ ____ _______ ________.
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