Human Survivability of Extreme Impacts in Free-fall PDF Download
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Author: Richard G. Snyder
Publisher:
ISBN:
Category : Falls (Accidents)
Languages : en
Pages : 40
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Book Description
"Human deceleration tolerances beyond the limits imposed by voluntary experimental methods were studied by means of intensive case histories of 137 individuals who have survived extremely abrupt impacts in accidental, suicidal, and homicidal free-falls. Fall distances ranged up to 275' and calculated velocities up to 116 ft/sec (79 mph). Physical and biological data are presented on both sexes with an age range of 1 1/2 to 91 years, and with impacts occurring in all body axis orientations. A detailed analysis of factors found to affect survivability in free-fall impacts is made. These cases, out of some 12,000 free-falls collected in the past two years, demonstrate that humans have survived impact forces considerably greater than those previously believed tolerable."--Abstract.
Author: Richard G. Snyder
Publisher:
ISBN:
Category : Falls (Accidents)
Languages : en
Pages : 40
Get Book Here
Book Description
"Human deceleration tolerances beyond the limits imposed by voluntary experimental methods were studied by means of intensive case histories of 137 individuals who have survived extremely abrupt impacts in accidental, suicidal, and homicidal free-falls. Fall distances ranged up to 275' and calculated velocities up to 116 ft/sec (79 mph). Physical and biological data are presented on both sexes with an age range of 1 1/2 to 91 years, and with impacts occurring in all body axis orientations. A detailed analysis of factors found to affect survivability in free-fall impacts is made. These cases, out of some 12,000 free-falls collected in the past two years, demonstrate that humans have survived impact forces considerably greater than those previously believed tolerable."--Abstract.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1664
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1274
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Book Description
Author: David K. Trites
Publisher:
ISBN:
Category : Air traffic controllers
Languages : en
Pages : 422
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Book Description
Author: United States. Federal Aviation Agency. Library Services Division. Medical Library Branch
Publisher:
ISBN:
Category :
Languages : en
Pages : 100
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Book Description
Author: United States. Office of Aviation Medicine
Publisher:
ISBN:
Category : Aviation medicine
Languages : en
Pages : 490
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Book Description
Author: Civil Aeromedical Research Institute (U.S.)
Publisher:
ISBN:
Category : Aviation medicine
Languages : en
Pages : 196
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Book Description
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1284
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309035457
Category : Medical
Languages : en
Pages : 175
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Book Description
"Injury is a public health problem whose toll is unacceptable," claims this book from the Committee on Trauma Research. Although injuries kill more Americans from 1 to 34 years old than all diseases combined, little is spent on prevention and treatment research. In addition, between $75 billion and $100 billion each year is spent on injury-related health costs. Not only does the book provide a comprehensive survey of what is known about injuries, it suggests there is a vast need to know more. Injury in America traces findings on the epidemiology of injuries, prevention of injuries, injury biomechanics and the prevention of impact injury, treatment, rehabilitation, and administration of injury research.
Author: Richard G. Snyder
Publisher:
ISBN:
Category : Falls (Accidents)
Languages : en
Pages : 24
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Book Description
Forty-four cases of free-falls survived by individuals impacting water environments under conditions of high velocity (50 to 116 ft/sec, corrected for aerodynamic drag) have been intensively investigated and analyzed. Ages varied from 7 to 80 years and the study included 34 males and 10 females. The falls occurred in 17 states, mainly over a 3-year period, and included all known survivals of water impact at over 50 ft/sec. It was found that the most survivable body orientation, by a factor of five to seven, is a feet-first impact in which critical velocity for human survival was approximately 100 ft/ sec No correlation of velocity with degree of injury was found, although distinct patterns of injury were shown. Factors believed to influence human survival tolerances are discussed.
