Measuring Ability of Volunteers to Power a Bicycle-powered Oxygen Concentrator

2016-09-21 20:23:22 | BioPortfolio


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.

Study Design

Observational Model: Cohort, Time Perspective: Prospective


Physical Exertion


Volunteer to pedal a bicycle


University of Utah
Salt Lake City
United States




University of Utah

Results (where available)

View Results


Published on BioPortfolio: 2016-09-21T20:23:22-0400

Clinical Trials [335 Associated Clinical Trials listed on BioPortfolio]

Spinal Cord Plasticity

This study will examine the role of the spinal cord in improving leg movements after physical training in healthy people. The results of this study may be helpful in developing new rehabil...

Pedal Rate Influence on Oxygen Consumption in Eccentric

Nowadays, ECC exercise can be realized using various modalities that target small or large muscle masses in a segmentary or dynamic way. The training program proposed in this study is real...

Nurse Managed Sequential Strength Training and Bicycle Training in Chronic Obstructive Pulmonary Disease (COPD)

This is a 16 week exercise training program for people with severe to very severe chronic obstructive pulmonary disease (COPD). The purpose of this study is to find out if performing stren...

Exertional Rhabdomyolysis- Characterization of Prediction Tests for Return to Duty

In order to determine norm values for skeleton muscle disassembly due to physical exertion in healthy and trained population, and developing a prediction test for approval for rhabdomyolys...

Investigation of the Effect of 8-week Controlled High Intense Interval Training in Type 2 Diabetic Patients

The overall objective of this study is to examine the blood flow in the thigh muscles and sugar metabolism before and after 8 weeks of high intensity interval training (HIIT) on a bicycle ...

PubMed Articles [8691 Associated PubMed Articles listed on BioPortfolio]

Acute and Session Ratings of Perceived Exertion in a Physical Education Setting.

A commonly stated rationale for examining the use of ratings of perceived exertion with youth is its potential value as an assessment of intensity in physical education settings. The purpose of this s...

Private and public modes of bicycle commuting: a perspective on attitude and perception.

Public bicycle-sharing initiatives can act as health enhancement strategies among urban populations. The aim of the study was to determine which attitudes and perceptions of behavioural control toward...

Autologous Fat Grafting for Pedal Fat Pad Atrophy: A Prospective Randomized Clinical Trial.

Pedal fat pad atrophy is associated with pain, decreased tissue thickness, and increased foot pressures. To date, no objective studies investigating the use of fat grafting to the forefoot have been p...

Pedal edema and jugular venous pressure for volume overload in peritoneal dialysis patients.

The diagnostic strength of the jugular venous pressure (JVP) and pedal edema as physical examination tools for the assessment of volume status has been minimally studied.

Home and Work Physical Activity Environments: Associations with Cardiorespiratory Fitness and Physical Activity Level in French Women.

The influence of the physical activity environment in the home and at work on cardiorespiratory fitness (CRF) and objectively-measured physical activity has not been extensively studied. We recruited ...

Medical and Biotech [MESH] Definitions

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.

More From BioPortfolio on "Measuring Ability of Volunteers to Power a Bicycle-powered Oxygen Concentrator"

Quick Search

Searches Linking to this Trial