نتایج جستجو برای: bicycle

تعداد نتایج: 5458  

2012
Daniel Nettle Kenneth Nott Melissa Bateson

BACKGROUND Bicycle theft is a serious problem in many countries, and there is a lack of evidence concerning effective prevention strategies. Displaying images of 'watching eyes' has been shown to make people behave in more socially desirable ways in a number of settings, but it is not yet clear if this effect can be exploited for purposes of crime prevention. We report the results of a simple i...

2010
J Groves

OBJECTIVE To determine whether the author's 20.9 lb (9.5 kg) carbon frame bicycle reduced commuting time compared with his 29.75 lb (13.5 kg) steel frame bicycle. DESIGN Randomised trial. SETTING Sheffield and Chesterfield, United Kingdom, between mid-January 2010 and mid-July 2010. PARTICIPANTS One consultant in anaesthesia and intensive care. MAIN OUTCOME MEASURE Total time to complet...

Journal: :Ergonomics 2011
Paul Schepers Berry den Brinker

The number of single-bicycle crash victims is substantial in countries with high levels of cycling. To study the role of visual characteristics of the infrastructure, such as pavement markings, in single-bicycle crashes, a study in two steps was conducted. In Study 1, a questionnaire study was conducted among bicycle crash victims (n = 734). Logistic regression was used to study the relationshi...

Journal: :Accident; analysis and prevention 2007
Masao Ichikawa Shinji Nakahara

We examined the effectiveness of school regulations concerning bicycle helmet use in reducing head injuries among student bicycle commuters to junior high schools in the Japanese prefecture of Saitama. This was done by comparing the rates of head injuries and the ratios of head injuries to non-head injuries between junior high schools with and without school regulations concerning helmet use. B...

Journal: :Journal of orthopaedic surgery 2015
C Y Mak J H T Chang T H Lui W K Ngai

PURPOSE To review bicycle and motorcycle wheel spoke injuries around the foot and ankle in 24 children. METHODS Medical records of 12 boys and 12 girls aged 2 to 11 (mean, 5.3) years who presented with an isolated posterior heel injury caused by wheel spokes of a motorcycle (n=9) or bicycle (n=15) were reviewed. RESULTS All 9 motorcycle injury patients and 8 of 15 bicycle injury patients ha...

2017
Yanhu Ji Yanru Ye Yaogui Lu Liping Li Yang Gao

This study aimed to evaluate the effectiveness of an intervention to reduce bicycle injuries among rural middle school students in China. A one-year cluster-randomized controlled trial was conducted with seventh grade students from six middle schools in two towns in rural Chaoshan, China. The two towns were randomly assigned to either the intervention or control group. Road safety education mat...

Journal: :Accident; analysis and prevention 1999
L Aultman-Hall M G Kaltenecker

This analysis uses data from a survey of Toronto commuter cyclists that collected information regarding accident history as well as regular commute route to work or school. By relating the route information of the 1196 respondents to facility attributes in a Geographic Information System (GIS), defensible estimates of travel exposure on roads, off-road paths and sidewalks were developed. The ra...

2013
Gunilla Björklund Reza Mortazavi

In this paper we investigate how attitudes to health and exercise in connection with cycling influence the estimation of values of travel time savings in different kinds of bicycle environments (mixed traffic, bicycle lane in the road way, bicycle path next to the road, and bicycle path not in connection with the road). The results, based on two Swedish stated choice studies, suggest that the v...

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