| Document ID (ISN) | 49246 |
| CIS number |
88-679 |
| ISSN - Serial title |
0014-0139 - Ergonomics |
| Year |
1987 |
| Convention or series no. |
|
| Author(s) |
De Groot J.P. |
| Title |
Electromyographic analysis of a postal sorting task |
| Bibliographic information |
July 1987, Vol.30, No.7, p.1079-1088. Illus. 18 ref. |
| Abstract |
In the Dutch postal system, letters are sorted by means of a sorting frame, consisting of a two-dimensional array of pigeon-holes. By means of electromyography, the load on three shoulder muscles (trapezius, and anterior and lateral parts of the deltoid muscles) was measured as a function of the location of pigeon-holes. The vertical position of the pigeon-hole appeared to be the most significant factor for the load on the three muscles. The eccentricity along a horizontal axis also contributed; this is interpreted as indicating the distance to the shoulder joint. The top row of pigeon-holes required much more muscular activity than the other pigeon-holes. The relevance of these findings to the occurence of occupational arm-shoulder syndromes is discussed, and consequences for the redesign of the sorting frame are indicated. |
| Descriptors (primary) |
work posture; postal services; measurement of load on muscles; mail sorting |
| Descriptors (secondary) |
Netherlands; ergonomic evaluation; musculoskeletal diseases |
| Document type |
D - Periodical articles |
| Subject(s) |
Ergonomics and work organization
|
| Broad subject area(s) |
Physiology, ergonomics
|
| Browse category(ies) |
Work posture
Communications industry
|
