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We would like to test how well human volunteers power a modified oxygen concentrator. We modified the oxygen concentrator to be powered by a bicycle instead of wall power so that it can be used in low resource countries where the power supply is unreliable.
We would like to test how many people can power the oxygen concentrator by pedaling the bike for at least 30 minutes. If the volunteers can bike for at least 30 minutes, we assume they are pedaling at or below their lactate threshold. We have literature values which suggest bigger people should be able to output more work, and we wish to use a sample of the population to verify that most of the people can power our system. We have a good estimate of the power required by our system, and we want to verify the average person can actually do what we calculated is necessary.
Observational Model: Cohort, Time Perspective: Prospective
Volunteer to pedal a bicycle
University of Utah
Salt Lake City
University of Utah
Published on BioPortfolio: 2016-09-21T20:23:22-0400
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The use of a bicycle for transportation or recreation. It does not include the use of a bicycle in studying the body's response to physical exertion (BICYCLE ERGOMETRY TEST see EXERCISE TEST).
Expenditure of energy during physical activities. Intensity of exertion may be measured by rate of OXYGEN CONSUMPTION; HEAT produced, or HEART RATE. Perceived exertion, a psychological measure of exertion, is included.
Any method of measuring the amount of work done by an organism, usually during PHYSICAL EXERTION. Ergometry also includes measures of power. Some instruments used in these determinations include the hand crank and the bicycle ergometer.
Physical activity which is usually regular and done with the intention of improving or maintaining PHYSICAL FITNESS or HEALTH. Contrast with PHYSICAL EXERTION which is concerned largely with the physiologic and metabolic response to energy expenditure.
The state of weariness following a period of exertion, mental or physical, characterized by a decreased capacity for work and reduced efficiency to respond to stimuli.