METABOLIC MECHANISMS OF MAN IN THE FULL PRESSURE SUIT. PHYSIOLOGICAL COST OF DONNING A FULL PRESSURE SUIT
NAVAL AIR ENGINEERING CENTER LAKEHURST NJ AEROSPACE CREW EQUIPMENT LAB
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Experienced subjects donned the U. S. Navy MK-4 Full Pressure Suit under conditions of time and donning space limitations. Direct and indirect measures of physiological cost were made using oxygen consumption and heart rate, respectively. Approximately 1 kcal of energy per kg of body weight was expended in the donning task. Donning volumes as small as about 7 times the volume of the subjects body accommodated the dressing procedure with no apparent increases in donning time nor in energy expenditure. Suit fit was found to have an important effect on both effort and time required for donning.
- Human Factors Engineering and Man Machine Systems
- Life Support Systems