Abdominal thrusts and upwards". They argue that this may be easier to perform with less concern about injury to ribcage or upper abdominal organs. Self-administered abdominal thrusts by study participants produced similar pressures to those generated by first aiders. The highest pressures were produced by participants performing an abdominal thrust onto the back of a chair (115 cmHO). Abdominal thrusts Abdominal thrusts (also called the Heimlich maneuver or Heimlich manoeuvre, ) is a first aid procedure used to treat upper airway obstructions (or choking) by foreign objects. The term Heimlich maneuver is named after Dr. Henry Heimlich, who first described it in
Henry Freke Henry Freke Henry Freke (1813-1888) was an Irish physician and early evolutionary writer. Freke proposed an evolutionary theory in 1851 and more fully in a book for 1861. He took a B. A. at Trinity in 1840, his M. B. in 1845 and his M.D. in 1855. He worked as a physician in various hospitals in Dublin and worked at the first Irish lunatic asylum founded by Jonathan Swift. His early writings in the "Dublin Quarterly Journal of Medical Science" experimented with evolutionary ideas such as all organisms descending from a single germ. He is credited for developing the concept