Thoracic force-deflection characteristics as affected by impactor mass have been measured in the living subhuman primate as a step toward the analysis of cardio-thoracic injuries. Mechanisms of injury were investigated by subjecting Rhesus monkeys seated on a stationary freely movable sled to static and dynamic chest wall displacements (64 tests) by means of a cartridge-fired projectile equipped with a 3 in. diameter impact plate and an accelerometer compensated force transducer. Forces up to only 30 lb were developed in static press tests for 2 in. deflections but up to 700 lb for the same deflection during dynamic tests. Dynamic tests were run at four different initial impactor weights at 1.0, 1.7, 3.2, and 4.7 lb. Increasing the impactor mass tended to flatten the force-deflection curves which, for the lower impactor mass, showed one or two distinct peaks. These results complement the extensive work of other investigators in this area and indicate the need for additional primate studies.
|1964||Kroell CK, Patrick LM. A new crash simulator and biomechanics research program. In: Patrick LM, ed. Proceedings of the 8th Stapp Car Crash and Field Demonstration Conference. October 21-23, 1964; Wayne State University. Detroit, MI: Wayne State University Press:185-228. SAE 640851.|
|1967||Life JS, Pince BW. Comparative responses of small and medium sized primates, both live and embalmed, to impact stress. In: Proceedings of the 11th Stapp Car Crash Conference. October 10-11, 1967; Anaheim, CA. Warrendale, PA: Society of Automotive Engineers:214-232. SAE 670916.|
|1964||Roberts VL, Lissner HR. A correlation between cadaver and in vivo results. In: Patrick LM, ed. Proceedings of the 8th Stapp Car Crash and Field Demonstration Conference. October 21-23, 1964; Wayne State University. Detroit, MI: Wayne State University Press:134-146. SAE 640848.|
|1965||Patrick LM, Kroell CK, Mertz HJ. Forces on the human body in simulated crashes. In: Cragun MK, ed. Proceedings of the 9th Stapp Car Crash Conference. October 20-21, 1965; Minneapolis, MN. Warrendale, PA: Society of Automotive Engineers:237-259. SAE 650961.|
|1968||Gadd CW, Patrick LM. System versus laboratory impact tests for estimating injury hazard. In: Proceedings of the SAE Automotive Engineering Congress and Exposition. January 8-12, 1968; Detroit, MI. Warrendale, PA: Society of Automotive Engineers. SAE 680053.|
|1976||Kroell CK. Thoracic response to blunt frontal loading. In: The Human Thorax: Anatomy, Injury, and Biomechanics. Warrendale, PA: Society of Automotive Engineers; 1976:49-77.|
|1976||Lowne RW, Wall JG. A procedure for estimating injury tolerance levels for car occupants. In: Proceedings of the 20th Stapp Car Crash Conference. October 18-20, 1976; Dearborn, MI. Warrendale, PA: Society of Automotive Engineers:643-664. SAE 760820.|