EVALUATION OF HEAD TOLERANCE TO SAGITAL (SIC) IMPACT BY HEAD ACCELERATION AND DURATION, AND HEAD VELOCITY

Impacts were imposed by three different methods on heads of Japanese monkeys (Macaca fuscata), Rhesus monkeys (Macaca mulata) and other members of the group of subhuman primates. When the relation between impact conditions and resulting head injuries was investigated, results indicated that concussion, cerebral contusion and skull fracture in the monkeys depended on the translational and rotational acceleration impacts, the contact area of the impact, and the amplitude and duration of imposed head acceleration. The threshold for the occurrence of concussion in the monkey was represented by the amplitude and duration of an imposed head acceleration, and the corresponding human threshold was estimated by dimensional analysis based on the values obtained in the monkeys. The human head impact tolerance curve was obtained from this human concussion threshold and from the human skull fracture threshold based on a human cadaver skull dropping experiment.

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  • Corporate Authors:

    Society of Automotive Engineers of Japan

    10-2 Goban-cho, Chiyoda-ku
    Tokyo,   Japan 
  • Authors:
    • Kikuchi, A
    • Ono, K
    • Kobayashi, H
    • NAKAMURA, N
    • Nakamura, M
  • Publication Date: 1980-11

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Filing Info

  • Accession Number: 00369708
  • Record Type: Publication
  • Source Agency: National Highway Traffic Safety Administration
  • Report/Paper Numbers: HS-031 175
  • Files: HSL, USDOT
  • Created Date: Jan 31 1983 12:00AM