Abstract:
:Traditional guidance on ladder safety emphasizes training workers on the use of three points of contact. More recent guidance is to train workers to use three points of control. What is lacking is empirical information about what limb-movement patterns effectively support the use of three points of control. This project was conducted to establish a taxonomy of possible limb-movement patterns and a means for comparing relative safety. Prior to the experiment, a taxonomy of six possible limb-movement patterns was established. A sample of 20 undergraduate students performed four tasks each without any instructions on limb-movement pattern. The tasks were ascending and descending a straight ladder and a portable ladder, once each, while being videotaped. Out of 80 observed tasks, 59 of the subjects were using rungs rather than rails. Analysis of rung users identified the use of all six patterns. An innovative measure of safe performance was developed and used to compare the patterns. Statistical analysis did not find significant differences in the patterns based on the safety performance measure.
journal_name
Int J Environ Res Public Healthauthors
Jensen RC,Holland CJdoi
10.3390/ijerph17082897subject
Has Abstractpub_date
2020-04-22 00:00:00issue
8eissn
1661-7827issn
1660-4601pii
ijerph17082897journal_volume
17pub_type
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journal_title:International journal of environmental research and public health
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journal_title:International journal of environmental research and public health
pub_type: 临床试验,杂志文章
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pub_type: 杂志文章,评审
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更新日期:2018-03-03 00:00:00
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更新日期:2020-07-07 00:00:00
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doi:10.3390/ijerph16071156
更新日期:2019-03-31 00:00:00
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pub_type: 杂志文章
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更新日期:2019-01-08 00:00:00
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章,评审
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章,评审
doi:10.3390/ijerph14080873
更新日期:2017-08-03 00:00:00
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章
doi:10.3390/ijerph8072640
更新日期:2011-07-01 00:00:00
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章
doi:10.3390/ijerph17010271
更新日期:2019-12-30 00:00:00
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pub_type: 杂志文章
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更新日期:2020-12-09 00:00:00
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更新日期:2019-11-15 00:00:00
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pub_type: 杂志文章
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章,meta分析
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更新日期:2020-05-08 00:00:00
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