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Effectiveness of chalk as a friction modifier for finger contact with rocks
Rock climbing is a popular recreational activity & competitive sport (e.g. Olympics).Outdoor climbing has wide range of locations, climates, rock types and conditions.Indoor climbing features resin holds bolted to the walls of climbing gyms.Friction at hand-hold interface is crucial to performan...
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| Main Authors: | , , , , , , , |
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| Format: | Default Poster |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://dx.doi.org/10.17028/rd.lboro.27258000.v1 |
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| Summary: | Rock climbing is a popular recreational activity & competitive sport (e.g. Olympics).Outdoor climbing has wide range of locations, climates, rock types and conditions.Indoor climbing features resin holds bolted to the walls of climbing gyms.Friction at hand-hold interface is crucial to performance & safety.Loads through fingertips vary dependent on body weight, position and overhang.e.g. 70kg climber, assuming 25% body weight via one arm, is 13N load on middle finger pad.Climbers often use chalk or liquid chalk on their hands, but effectiveness not quantified.Chalk thought to dry hand from sweat and moisture and increases friction.Scientifically, this is likely to be a much more complex interaction.Presented at East Midlands Geological Society 60th Anniversary Conference |
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