This combines positive pressure breathing with a counterpressure vest to protect the chest.
2.
Swinton said he goes by feel because on punt returns he can feel the pressure breathing down on him.
3.
An application of as a low-pressure breathing gas is in modern space suits, which surround their occupant's body with pressurized air.
4.
The guides emphasized two tips for a successful climb : a type of walking called the rest step, and pressure breathing.
5.
The positive-pressure breathing system consisted of three main portions : the pressurized helmet, the breathing bladder, and the tankage system in a backpack.
6.
Other factors which can affect decompression risk include oxygen concentration, carbon dioxide levels, body position, vasodilators and constrictors, positive or negative pressure breathing.
7.
"But the big thing is that pilots can talk at eight or nine Gs, which is difficult when using a positive pressure breathing system, " he said.
8.
Bird discovered that an oxygen regulator in a crashed German bomber he was ferrying back to the U . S . for study seemed to contain a pressure breathing circuit.
9.
Higher performance aircraft will provide more sophisticated life support equipment such as " G-suits " to help the body resist acceleration, and pressure breathing apparatus or ejection seats or other escape equipment.
10.
To ease the strain of this maneuver and to aid breathing, researchers developed a technique called positive pressure breathing, which involves forcing pressurized air into a pilot's lungs through a face mask.
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