Abstract
| Original language | English |
|---|---|
| Pages (from-to) | 1500-1504 |
| Number of pages | 5 |
| Journal | Ergonomics |
| Volume | 53 |
| Issue number | 12 |
| DOIs | |
| State | Published - Dec 2010 |
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The Extra Load Index as a method for comparing the relative economy of load carriage systems. / Lloyd, Ray; Hind, Karen; Parr, Bridget; Davies, Simeon; Cooke, Carlton.
In: Ergonomics, Vol. 53, No. 12, 12.2010, p. 1500-1504.Research output: Contribution to journal › Article
TY - JOUR
T1 - The Extra Load Index as a method for comparing the relative economy of load carriage systems
AU - Lloyd,Ray
AU - Hind,Karen
AU - Parr,Bridget
AU - Davies,Simeon
AU - Cooke,Carlton
PY - 2010/12
Y1 - 2010/12
N2 - The Extra Load Index (ELI) has been proposed as a suitable method of assessing the relative economy of load carriage systems. The purpose of this study was to determine, based on empirical evidence, that the ELI can accommodate variations in both body composition and added load. In total, 30 women walked carrying loads of up to 70% body mass at self-selected walking speeds whilst expired air was collected. In addition, each of the women had body composition assessed via dual energy X-ray absorptiometry. Results show that the ELI is independent of body composition variables, the magnitude of additional loads and the speed of progression. Consequently, it is suggested that it represents an appropriate method of comparing load carriage systems in both scientific and commercial arenas. Statement of Relevance:This paper demonstrates that ELI is independent of body composition, added load and speed and is therefore an appropriate method to generalise comparisons of load carriage systems. It has the advantage of being easily understood by manufacturers and consumers whilst retaining appropriate scientific precision.
AB - The Extra Load Index (ELI) has been proposed as a suitable method of assessing the relative economy of load carriage systems. The purpose of this study was to determine, based on empirical evidence, that the ELI can accommodate variations in both body composition and added load. In total, 30 women walked carrying loads of up to 70% body mass at self-selected walking speeds whilst expired air was collected. In addition, each of the women had body composition assessed via dual energy X-ray absorptiometry. Results show that the ELI is independent of body composition variables, the magnitude of additional loads and the speed of progression. Consequently, it is suggested that it represents an appropriate method of comparing load carriage systems in both scientific and commercial arenas. Statement of Relevance:This paper demonstrates that ELI is independent of body composition, added load and speed and is therefore an appropriate method to generalise comparisons of load carriage systems. It has the advantage of being easily understood by manufacturers and consumers whilst retaining appropriate scientific precision.
U2 - 10.1080/00140139.2010.528454
DO - 10.1080/00140139.2010.528454
M3 - Article
VL - 53
SP - 1500
EP - 1504
JO - Ergonomics
T2 - Ergonomics
JF - Ergonomics
SN - 0014-0139
IS - 12
ER -