Oxygen Consumption in Underwater Swimming

Oxygen consumption was determined during underwater swimming at speeds between 0.5 and 1.2 knots in 15 subjects. The method involved use of oxygen-rebreathing (closed-circuit) scuba with calibrated supply cylinders and a means of maintaining constant speed over a marked course. The results indicate...

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Main Authors: Dwyer, J. V, Lanphier, E. H
Format: Report
Language:English
Subjects:
ENDURANCE(PHYSIOLOGY)
EXERCISE(PHYSIOLOGY)
METABOLISM
OXYGEN CONSUMPTION
PERFORMANCE(HUMAN)
PHYSIOLOGY
RESPIRATION
SCUBA DIVERS
Stress Physiology
SWIMMING
VELOCITY
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creator Dwyer, J. V
Lanphier, E. H
description Oxygen consumption was determined during underwater swimming at speeds between 0.5 and 1.2 knots in 15 subjects. The method involved use of oxygen-rebreathing (closed-circuit) scuba with calibrated supply cylinders and a means of maintaining constant speed over a marked course. The results indicate that oxygen requirements are approximately tripled by increasing speed from 0.5 to 1.2 knot. The mean values indicated a distinct and progressive loss of efficiency above 0.8 knot. The probable average normal speed of underwater swimmers using similar equipment was 0.8 to 0.9 knot. Speeds below 0.7 knot were uncomfortably slow, speeds above 1.0 knot were considered too fast for more limited periods. Values for the probable range of individual oxygen requirements in underwater swimming are derived from the results and are presented for various ranges of activity.
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source DTIC Technical Reports
subjects ENDURANCE(PHYSIOLOGY)
EXERCISE(PHYSIOLOGY)
METABOLISM
OXYGEN CONSUMPTION
PERFORMANCE(HUMAN)
PHYSIOLOGY
RESPIRATION
SCUBA DIVERS
Stress Physiology
SWIMMING
VELOCITY
title Oxygen Consumption in Underwater Swimming
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