نتایج جستجو برای: helmet

تعداد نتایج: 2939  

Journal: :Journal of athletic training 2010
Meredith A Petschauer Randy Schmitz Diane L Gill

CONTEXT Proper management of cervical spine injuries in men's lacrosse players depends in part upon the ability of the helmet to immobilize the head. OBJECTIVE To determine if properly and improperly fitted lacrosse helmets provide adequate stabilization of the head in the spine-boarded athlete. DESIGN Crossover study. SETTING Sports medicine research laboratory. PATIENTS OR OTHER PARTI...

Journal: :MMWR. Morbidity and mortality weekly report 2012
Thomas R. Frieden Harold W. Jaffe James W. Stephens

In 2010, the 4,502 motorcyclists (operators and passengers) killed in motorcycle crashes made up 14% of all road traffic deaths, yet motorcycles accounted for <1% of all vehicle miles traveled. Helmet use consistently has been shown to reduce motorcycle crash-related injuries and deaths, and the most effective strategy to increase helmet use is enactment of universal helmet laws. Universal helm...

Journal: :Traffic injury prevention 2016
Krishnamurthy Karuppanagounder Arjun V Vijayan

OBJECTIVES The objectives of this study include assessing the motorcycle helmet use pattern in Calicut, India, and analyzing the factors influencing helmet use including motorcyclists' perceptions. METHODS Field observational studies at 15 locations were conducted to determine the helmet use rate among motorcyclists and pillion passengers. A structured questionnaire interview survey was condu...

Journal: :Clinical pediatrics 2003
Jill D Bernstein Mark A Harper Lisa A Pardi Norman C Christopher

Helmet use protects against head injury. Our objective was to assess whether parental knowledge of helmet safety is associated with helmet use in children, and whether a relationship exists between helmet ownership and other safety behaviors. Three hundred forty-one surveys were distributed to parents of third through fifth graders; 97% of parents believed that a helmet confers protection; 49% ...

Journal: :international clinical neurosciences journal 0
seifollah gholampour young researchers and elite club, tehran north branch, islamic azad university, tehran, iran keyvan hajirayat m.sc. student of biomechanical engineering, department of biomedical engineering, north tehran branch, islamic azad university, tehran, iran. armin erfanian b.sc. student, department of engineering, north tehran branch, islamic azad university, tehran, iran. ali reza zali md, professor of neurosurgery, shohada tajrish neurosurgical center of excellence, functional neurosurgery research center, shohada tajrish hospital, shahid beheshti university of medical sciences, tehran, iran. ehsan shakouri ph.d. assistant professor of mechanical engineering, department of manufacturing engineering, islamic azad university- north tehran branch, tehran, iran

background: motorcycle accidents and sport accidents lead yearly to many head injuries like head fractures and concussion. so finding the most proper helmet for reducing the injuries to head can be very helpful for head protection in such cases. methods: after 3d modeling of the helmet and head and meshing the model, a compressive impacting load of 1.31mpa was exerted on head and the model was ...

Journal: :Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention 2002
G B Rodgers

OBJECTIVE To evaluate the effectiveness of state helmet laws in increasing the use of bicycle helmets by children and adolescents under age 16. SETTING United States. METHODS A cross sectional study of factors associated with the likelihood of helmet use by children and adolescents. Data were derived from a national random digit dial telephone survey of bicycle riders. A multiple logistic r...

Journal: :مجله علوم اعصاب شفای خاتم 0
alireza ghaznavi pediatric orthopaaed department, tehran, iran

injuries caused by traffic accidents cause many deaths and disabilities children. road traffic injuries are the main cause of death between the ages of 15 and 19 years and is the second cause of death among 5 to 14 year olds. children&apos;s attitudes about driving and safe use of roads formed in 11 years. road traffic injuries is one of the five cause of disability among children. most victims...

2014
M. Fahlstedt P. Halldin S. Kleiven

In Sweden the most common traffic group that needs to be hospitalized due to injury is cyclists where head injuries are the most common severe injuries. According to current standards, the performance of a helmet is only tested against radial impact which is not commonly seen in real accidents. Some studies about helmet design have been published but those helmets have been tested for only a fe...

Journal: :Archives of disease in childhood 2003
D Kendrick S Royal

AIMS To describe cycle helmet owning and wearing among children in a deprived area and to investigate the association between helmet ownership and wearing and socioeconomic deprivation. METHODS Cross sectional survey in 28 primary schools in deprived areas of Nottingham; 1061 year 5 schoolchildren were studied. RESULTS All year 5 children attending school on the day of the survey completed ...

Journal: :American journal of preventive medicine 2017
Yinan Peng

The Community Preventive Services Task Force recom­ mends universal motorcycle helmet laws (laws that apply to all motorcycle operators and passengers) based on strong evidence of effectiveness. Evidence indicates that universal helmet laws increase helmet use; decrease motorcycle-related fatal and non-fatal injuries; and are substantially more effective than no law or partial motorcycle helmet...

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