6 Minute Propulsion Test Sensitivity to Increased Aerobic Capacity
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The goals of this project are to 1)determine the responsiveness of the 6 Minute Push Test (6MPT) and 2) explore the relationship between 6MPT distance and measures of handicap, wheelchair satisfaction, depression, and self-reported avoidance of environmental features.
Condition or disease
Spinal Cord Injury
The 6 minute walk test is a widely used assessment of aerobic capacity, function, and functional change in the ambulatory population. A similar clinical and research outcome instrument that is responsive to changes in aerobic capacity and function are lacking for persons with spinal cord injury (SCI). A 6 minute push test, adapted from the 6 minute walk test may fill the void. The primary aim of this project is to assess if distance traveled in 6 minutes of wheelchair propulsion changes after an increase in aerobic capacity. We hypothesize that participants will push farther in 6 minutes after their aerobic capacity increases. The secondary aim is to explore the correlation between 6MPT distance and handicap, depression, wheelchair satisfaction, and self-reported avoidance of environmental features. We hypothesize increasing 6MPTdistance will be correlated with decreasing depression, decreasing handicap, decreasing self-reported avoidance of environmental features, and increasing wheelchair satisfaction. This is a low risk, high benefit study.
Change in Oxygen uptake during 6 min Push Test From baseline. [ Time Frame: Visits 1-4 ]
Subjects will be prepared by putting a flexible mask over the mouth and nose. Heart rate during testing will be monitored by either three electrodes on the chest or by a monitor strapped around the chest. Heart rate and oxygen consumption during each 6MPT will be measured. Participants will be instructed to propel as far as possible on a 30m loop marked at 3m intervals, with 15m between pylons, and two 180 degree turns. Distance traveled in 6 minutes (m) will be computed by multiplying the number of full laps completed by 15m and adding the distance traveled in the last lap.
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Ages Eligible for Study:
18 Years to 65 Years (Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Community sample of persons with spinal cord injury
T1 or lower injury
at least 1 year post-injury
able to self-propel a manual wheelchair
enrolled in TMP-MN-006
Not enrolled in the IRB approval parent study, "Exercise Treatment of Obesity-Related Secondary Conditions in Adults with Paraplegia", TMP-MN-006
Unstable angina or myocardial infarction within the past month