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Sports 2017, 5(2), 31; doi:10.3390/sports5020031

Does Avalanche Shovel Shape Affect Excavation Time: A Pilot Study

1
Department of Sport Science, University of Innsbruck, Fürstenweg 185, 6020 Innsbruck, Austria
2
Centre of Technology of Ski and Alpine Sport, University of Innsbruck, Fürstenweg 185, 6020 Innsbruck, Austria
*
Author to whom correspondence should be addressed.
Academic Editor: Alessandro Pezzoli
Received: 10 April 2017 / Revised: 17 May 2017 / Accepted: 19 May 2017 / Published: 23 May 2017
(This article belongs to the Special Issue Environment and Sport Performance)
View Full-Text   |   Download PDF [1024 KB, uploaded 23 May 2017]   |  

Abstract

In Europe and North America, approximately 150 fatalities occur as a result of avalanches every year. However, it is unclear whether certain shovel shapes are more effective than others in snow removal during avalanche victim recovery. The objective was to determine the performance parameters with a developed standardized test using different shovel shapes and to determine sex-specific differences. Hence, several parameters were determined for clearing the snow from a snow filled box (15 men, 14 women). A flat (F) and a deep (D) shovel blade with the shaft connected straight (S) or in clearing mode (C) were used for the investigation of the shovel shapes FS, DC and the subsequent use of DC&DS. Mean snow mass shifted per unit time increased significantly from 1.50 kg/s with FS to 1.71 kg/s (14%) with DS and further to 1.79 kg/s (4%) with DC&DS for all participants. Snow mass shifted per unit time was 44% higher (p < 0.05) for men than for women. In excavation operations, the sex-specific physical performance should be taken into account. The results were limited to barely binding snow, because only with this snow did the tests show a high reliability. View Full-Text
Keywords: accident rescue; burial depth; rescue time; shovel rate accident rescue; burial depth; rescue time; shovel rate
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Schindelwig, K.; Hoffmann, A.; Mössner, M.; Nachbauer, W. Does Avalanche Shovel Shape Affect Excavation Time: A Pilot Study. Sports 2017, 5, 31.

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