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Heimlich maneuver, also known as Abdominal thrusts or Heimlich manoeuvre, is a first-aid procedure used to treat upper-airway obstructions (or choking) by foreign objects. American doctor Henry Heimlich is often credited for its discovery.
Counter-pressure brakes were found especially on steam engines that worked long inclines and on rack railway locomotives (e.g. on the Vienna Kahlenberg Railway (Kahlenbergbahn), relieving brake blocks and tyres from high levels of wear and tear that they would otherwise be subjected to.
The image shows the complete multi-layer suit and positive-pressure helmet, lacking only the backpack. (taken c. 1971) A mechanical counterpressure (MCP) suit, partial pressure suit, direct compression suit, or space activity suit (SAS) is an experimental spacesuit which applies stable pressure against the skin by means of skintight elastic ...
A pressure suit is a protective suit worn by high-altitude pilots who may fly at altitudes where the air pressure is too low for an unprotected person to survive, even when breathing pure oxygen at positive pressure. Such suits may be either full-pressure (e.g., a space suit) or partial-pressure (as used by aircrew). Partial-pressure suits work ...
The counter pressure effect occurs instantaneously without any time delay versus an up to two second delay before reaching full system protection in standard pneumatic, inflatable g-suits. The race pilot utilizes the g-race suit interactively by muscle straining and breathing techniques to achieve an improved cardiac output and thus improved G ...
With a sufficiently light bike (especially a bicycle), the rider can initiate a lean and turn without using the handlebars by shifting body weight, called counter lean by some authors. [ 8 ] [ 24 ] [ 25 ] [ 26 ] Documented physical experimentation shows that on heavy bikes (many motorcycles ) shifting body weight is less effective at initiating ...
Involuntary extension of the "normal" leg occurs when flexing the contralateral leg against resistance. To perform the test, the examiner should hold one hand under the heel of the "normal" limb and ask the patient to flex the contralateral hip against resistance (while the patient is supine), asking the patient to keep the weak leg straight while raising it.
A countersteam brake is a brake on a steam locomotive that uses the engine (specifically the cylinders) to help brake the locomotive.. It uses the working principle of steam cylinders fitted with slide or piston valves such that, by changing the configuration of the valve gear, the motion of the valves is also altered such that they work in opposition to the movement of the pistons.