Publication in refereed journal
香港中文大学研究人员 ( 现职)
| 洪友廉教授 (体育运动科学系) |
| 方迪培教授 (体育运动科学系) |
全文
| 数位物件识别号 (DOI) http://dx.doi.org/10.1016/j.jbiomech.2007.11.001 |
引用次数
Web of Sciencehttp://aims.cuhk.edu.hk/converis/portal/Publication/10WOS source URL
其它资讯
摘要This study investigated the plantar pressure distribution during gait on wooden surface with different slipperiness in the presence of contaminants. Fifteen Chinese males performed http://aims.cuhk.edu.hk/converis/portal/Publication/10 walking trials on a 5-m wooden walkway wearing cloth shoe in four contaminated conditions (dry, sand, water, oil). A pressure insole system was employed to record the plantar pressure data at 50 Hz. Peak pressure and time-normalized pressure-time integral were evaluated in nine regions. In comparing walking on slippery to non-slippery surfaces, results showed a 30% increase of peak pressure beneath the hallux (from 195.6 to 254.1 kPa), with a dramatic 79% increase in the pressure time integral beneath the hallux (from 63.8 to 114.3 kPa) and a 34% increase beneath the lateral toes (from 35.1 to 47.2 kPa). In addition, the peak pressure beneath the medial and lateral heel showed significant 20-24% reductions, respectively (from 233.6-253.5 to 204.0-219.0 kPa). These findings suggested that greater toe grip and gentler heel strike are the strategies to adapt to slippery surface. Such strategies plantarflexed the ankle and the metatarsals to achieve a flat foot contact with the ground, especially at heel strike, in order to shift the ground reaction force to a more vertical direction. As the vertical ground reaction force component increased, the available ground friction increased and the floor became less slippery. Therefore, human could walk without slip on slippery surfaces with greater toe grip and gentler heel strike as adaptation strategies. (C) 2007 Elsevier Ltd. All rights reserved.
着者Fong DTP, Mao DW, Li JX, Hong YL
期刊名称Journal of Biomechanics
详细描述2008.
出版年份2008
月份1
日期1
卷号41
期次4
出版社ELSEVIER SCI LTD
页次838 - 844
国际标準期刊号0021-9290
电子国际标準期刊号1873-2380
语言英式英语
关键词injury prevention; plantar pressure; slips and falls
Web of Science 学科类别Biophysics; BIOPHYSICS; Engineering; Engineering, Biomedical; ENGINEERING, BIOMEDICAL
