loss of consciousness / severe closed head injury / also examined neck injuries / cervical injury / Ski field injuries / serious head injuries / cervical spine injury / JE / non-head/ neck injury / severe head injury / snowboard injuries / Serious head injury / ski injuries / skull fracture / McCrory P . Snowboarding injuries / serious injury / injury / neck injury Head injury / head injuries No . of / neck injury NR / severe head trauma / traumatic amnesia / head trauma / lacerations / non-head injury / head injury / examined neck injuries / NR Neck injury / fatal neck injury / cancer / severe head injuries / sports injury / alphine ski injuries / traumatic brain injury / non-head-related injury / face injuries / neck injuries / cervical spine injuries / nonfatal head injury / Facial injury / head injuries / self-reported injuries / injuries / neck injury / /
MedicalTreatment
neurosurgery / /
NaturalFeature
Alpine / /
Organization
Alberta Children 's Hospital / Faculty of Medicine / Department of Community Health Sciences / Nagel BE / 16th International Society of Skiing Safety Conference / Canadian Academy of Sport Medicine / American Society for Testing Materials / Alberta Heritage Foundation for Medical Research / American Society for Testin / University of Calgary / Alberta Heritage Foundation for Medica / International Society of Skiing Safety / Faculty of Medicin / International Agency for Research / /
Person
Brent E . Hagel Ph / Brent Nagel / Brent Hagel / Josh Christie / Johnson R .I . How / Vanessa Wainwright / Kelly Russell / /
Position
Investigator / emergency physician / physician / injured skier / death Physician / Governor / neck injury Head / Hunter / Major / surgeon / intracranial lesion Physician / /
The effect of helmets on the risk of head and neck injurie s among skiers and snowboarders : a meta-analysi s Kelly Russell MSc, Josh Christie BHSc, Brent E . Hagel Ph D Abstract Background : The prevention of head injur