The measurement of functional arm reach envelopes for young Chinese males

The purpose of this study was to measure and determine functional arm reach envelopes. It presented a rapid, accurate and all-orientation instrument and a method which was developed for collecting such data. The instrument was of optimum accuracy (±5μm), allowing the rapid measurement of maximum ami...

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Bibliographic Details
Published in:Ergonomics 1990-07, Vol.33 (7), p.967-978
Main Authors: LI, SHU, XI, ZHENHUA
Format: Article
Language:English
Subjects:
Anthropometry
Applied physiology
Biological and medical sciences
Dynamic measurement
Envelope
Human physiology applied to population studies and life conditions. Human ecophysiology
Medical sciences
Tropical medicine
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Summary:The purpose of this study was to measure and determine functional arm reach envelopes. It presented a rapid, accurate and all-orientation instrument and a method which was developed for collecting such data. The instrument was of optimum accuracy (±5μm), allowing the rapid measurement of maximum ami reach to 231 positions in space around each subject, while its repeat accuracy was 2-5μm. The measurements covered a representative sample of the Chinese Han nationality young adult male population (aged from 18 to 25 yr) in terms of height. Data were collected for both forefinger tip and grasp knob arm reaches. The values of the arm reach areas were characterized by means of 5th, 50th and 95th percentiles and expressed in tables and diagrams. The results gave a basis which was considered to be more suitable for Chinese users in designing spatial structures for machines, installations and workspaces.
ISSN:0014-0139
1366-5847
DOI:10.1080/00140139008925304