Design and development an ergonomic hand wrist support for computer mouse user

T.Mhd Arifin, Tengku Ahmad Salahudin (2019) Design and development an ergonomic hand wrist support for computer mouse user. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

In everyday life, computers play an essential role in the world. Computers are used to do all types of work whether in office, industry or at home. Though computer work has relatively little physiological demand, reports of adverse health effects have increased due to extended computer use. This study focuses only on Carpal Tunnel Syndrome(CTS) that occurs among mouse users. One of the most common musculoskeletal occupational injuries is carpal tunnel syndrome (Schneider and Irastorza, 2010). Carpal Tunnel Syndrome is a common pain among mouse users and this happens because the work that uses the computer is done repeatedly and continuously all the time. The objective of this study was to determine carpal tunnel syndrome among computer users using survey, to design an ergonomic hand wrist support and to develop an ergonomic hand wrist support. A survey will be conducted against 100 mouse users to identify problems that will lead to the occurrence of CTS. In research carried out, a product is designed as a hand wrist support for preventing the occurrence of CTS when a computer mouse is operating over a long period of time. The product is designed based on the suitable angle for hand wrist to avoid CTS. This design and development process begins with a questionnaire aimed at obtaining data on carpal tunnel syndrome and also to obtain a design of the product based on customer need. Subsequently, the process of analyzing the data was performed using house of quality (HOQ) and subsequently morphological was developed to obtain the concept design to suit the needs of the user. From the morphological chart, the Pugh method is also used to identify the best design among the concept design that have been created. After that, the prototype of the product was made from nylon material using Selective Laser Sintering (SLS), and finally a comparison was made between the new product of hand wrist support and the existing product marketed to analyze the best angle between the two products.

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