Ergonomic risk assessment on weight lifter

Woon, Jun Jet (2019) Ergonomic risk assessment on weight lifter. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This research is all about analysing the hand grip force of weight lifter. Weight lifting is an exercise that requires large amount of strength and force of hands. This exercise will involve the hand grip of weight lifter and therefore it is fundamental. It is better to carry out weight lifting exercise ergonomically to prevent any injury. In the modern world nowadays, weight lifting which can also be said as gym activity, is becoming more and more popular and trendy. Modern human seeks for perfect appeal and healthy body. However, it is quite common to say that most of the people do not apply the correct ergonomics posture during gym exercises. Taking weight lifting or bench pressing as example, they do understand what it is and which part of muscle this exercise focuses on but they seem to lack of knowledge regarding incorrect working posture which may lead to musculoskeletal disorders. In this research, the ergonomic risk assessment will be focused and carried out by using Borg’s CR-10 scale discomfort questionnaire. Jamar hand grip dynamometer will be used to obtain the hand grip force. Criteria of suitable gym equipment will be generated from the responses of respondents and the final selection of gym equipment for experiment will be done by using weighted decision matrix. CATIA V6 RULA analysis will be used to generate and propose the proper posture proven with best final grand score for experiment activity. The initial and final hand grip forces of 20 volunteers will be recorded in both experiments which are experiment with RULA analysis guideline and experiment without RULA analysis guideline. The results of experiment will be compared and analysed to observe the difference in hand grip force and effect of proper posture on hand grip force of weight lifter

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