Experimental comparison of trauma in lateral (+Gy) rearward-facing (+Gx), and forward-facing (-Gx) body orientations when restrained by lap belt only.

Snyder, Richard G.; Snow, Clyde C.; Young, Joseph W.; Price, G. Townley; Hanson, Peter

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Experimental comparison of trauma in lateral (+Gy) rearward-facing (+Gx), and forward-facing (-Gx) body orientations when restrained by lap belt only.

1969-07-01
By Snyder, Richard G. ; Snow, Clyde C. ; Young, Joseph W. ; ...

[PDF-2.94 MB]

English

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Creators:

Snyder, Richard G. ; Snow, Clyde C. ; Young, Joseph W. ; Price, G. Townley ; Hanson, Peter

Snyder, Richard G. ; Snow, Clyde C. ; Young, Joseph W. ; Price, G. Townley ; Hanson, Peter Less -
Corporate Contributors:

United States. Office of Aviation Medicine
Subject/TRT Terms:

[+]

Abdomen Acceleration (Physiology) Air Pilots Anthropometry Autopsies Autopsy Baboons Baboons As Laboratory Animals Bleeding Bruises Chest Contusions Crash Injuries Crash Injuries--Research Crash Injury Research Deceleration Flight Crews Flight Personnel Force Force And Energy Fractures Fractures (Anatomy) Head Hemorrhage Impact Studies Injuries Internal Injuries Laboratory Animals Laceration Lateral Acceleration Motion Occupant Kinetics Passengers Photometers Photometry Restraint Systems Safety Harness (Aeronautics)--Impact Testing Seat Belts Seats Side Collisions Sled Tests Spinal Cord Thorax
Publication/ Report Number:

AM 69-13 ; DOT/FAA/AM-69/13

AM 69-13 ; DOT/FAA/AM-69/13 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Civil Aerospace Medical Institute
Abstract:

In this study, 24 anesthetized Savannah Baboons (Papio cynocephalus) restrained with a lap belt were subjected to a controlled series of lateral impacts at entrance velocities ranging from 36.4 ft./sec. (15g.) to 88.2 ft./ sec. (44g.) 1,200 g./sec. to 5,900 g./sec. rate of onset, for total durations of 0.076 to .100 second. Sixteen lateral tests were run with four forward-facing and four rearward-facing controls. Gross and microscopic autopsies were performed.

Pathology was found to be significantly higher in lateral impact. Ruptured bladders and uteri, adrenal hemorrhage, and subdural and epidural hemorrhage occurred frequently. A major finding, with unexplained etiology, was marked pancreatic hemorrhage most typical of the lateral impact. Under these test conditions, both survival and injury tolerance levels were found to be lower in the lateral body orientation, indicating lap belt restraint alone does not provide adequate body protection.
Format:

PDF
Collection(s):

FAA Civil Aerospace Medical Institute US Transportation Collection
Main Document Checksum:

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urn:sha256:92ba3f99b0a6646fcae700afe5b5c27811bbb059a1a2bf28e9ba46ccb73bd71d
Download URL:

https://rosap.ntl.bts.gov/view/dot/20909/dot_20909_DS1.pdf
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Experimental comparison of trauma in lateral (+Gy) rearward-facing (+Gx), and forward-facing (-Gx) body orientations when restrained by lap belt only.

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