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Indian J Occup Environ Med. 2011 Sep;15(3):127-32. doi: 10.4103/0019-5278.93203.

A comparative ergonomic study of work-related upper extremity musculo skeletal disorder among the unskilled and skilled surgical blacksmiths in West Bengal, India.

Author information

  • 1Department of Physiology, Manipal College of Medical Science, Pokhara, Nepal, India.

Abstract

OBJECTIVE:

The main aim of the study was to determine the nature and extent of work-related upper extremity musculoskeletal disorders (MSDs) and physiological stress among the blacksmiths involved in surgical instrument industry.

MATERIALS AND METHODS:

In the present investigation, 50 male blacksmiths of each skilled and unskilled groups of the forging section had been selected. For the symptom survey, a questionnaire on discomfort symptoms was performed. Repetitiveness of work and hand grip strength of both the groups were measured.

RESULTS:

It was revealed that upper limb MSD was a major problem among both group of blacksmith, primarily involving the hand, wrist, fingers, and shoulder. From this study it was found that 66% (33) skilled and 80% (40) unskilled blacksmith workers are feeling discomfort. The most commonly affected regions among the skilled and unskilled blacksmith workers were lower back (skilled 65% and unskilled 80%), neck (skilled 60% and unskilled 80%), and hand (skilled 50% and unskilled).

KEYWORDS:

Blacksmith; hand grip strength; musculoskeletal disorder; visual analogue scale

PMID:
22412291
[PubMed]
PMCID:
PMC3299097
Free PMC Article
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