Chasing of chickens - energy expenditure and musculoskeletal workload

Birgit Juul-Kristensen, H Christensen

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

Abstract

A cross sectional multidisciplinary study was carried out among chicken chasers to assess the work environment and to find possible differences between 2 working methods: the drawer and the lorry methods. The ergonomic part included heart rate recordings, observation techniques, interviews and subjective ratings at 20 chasers from the two methods. Work cycle time was 13.3s and 16.4s at the drawer and the lorry methods. Heart rate recordings showed values corresponding to a relative heart rate increase of 555 and 58% for the two methods during a whole working day both exceeding recommended acceptable limits of 30-355 of maximum heart rate increase. For the two methods 518 lifts were recorded with a mean burden of 16 kg and 12 kg, and all were identified as implying a risk of injury, because of awkward postures. As the lifting frequency was high the calculated total tonnage lifted per day was 19.4 ton and 14.8 ton. the work is recommende to be time limited and the workstation redesigned.
Original languageEnglish
Title of host publicationAdvances in Industrial Ergonomics and Safety V
EditorsR Nielson, K Jorgensen
PublisherCRC Press
Publication date1. Jan 1993
Pages285-292
ISBN (Electronic)9780367804862
Publication statusPublished - 1. Jan 1993
Externally publishedYes

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