Cardiovascular Strain of Sawmill Workers in South-Western Nigeria

This study aimed to assess cardiovascular strain during sawmilling operations in terms of physical workload, based on heart rate changes. We measured resting and working heart rates and calculated cardiovascular load (%CVL), cardiovascular strain (%CVS) and relative heart rate (%RHR) in 35 sawmill w...

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Bibliographic Details
Published in:International journal of occupational safety and ergonomics 2013-01, Vol.19 (4), p.607-611
Main Authors: Ismaila, Salami Olasunkanmi, Oriolowo, Kolawole Taofik, Akanbi, Olusegun Gabriel
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
cardiovascular load
cardiovascular strain
Chemical vapor synthesis
energy expenditure
Energy Metabolism
Ergonomics. Workplace layout
Ergonomics. Workplace layout. Occupational psychology
Heart rate
Heart Rate - physiology
Humans
Male
Mathematical analysis
Medical sciences
Middle Aged
Miscellaneous
Nigeria
Occupation
Occupational medicine
Physical Exertion - physiology
Public health. Hygiene-occupational medicine
Redesign
sawmill worker
Sawmills
Strain
Wood
Work - physiology
Workload
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Summary:This study aimed to assess cardiovascular strain during sawmilling operations in terms of physical workload, based on heart rate changes. We measured resting and working heart rates and calculated cardiovascular load (%CVL), cardiovascular strain (%CVS) and relative heart rate (%RHR) in 35 sawmill workers. Based on heart rate only, the work in sawmills was classified as very heavy and extremely heavy. Similarly, a high-level category was recorded for %CVL and a very high range for %CVS. Thus, the workload in sawmill operations is usually very high and can lead to physiological strain of the workers. There is a need to redesign the work content of this occupation to prevent excessive strain in the workers, as this will increase their productivity and reduce their health risk.
ISSN:1080-3548
2376-9130
DOI:10.1080/10803548.2013.11077016