NCT02594657|Unknown
Pedal Rate Influence on Oxygen Consumption in Eccentric
PRIOx
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PRIOx
Sponsor study identifier
interventional
15
1 country
1
Study Start
August 2015
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
September 2016
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
October 2016
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
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 realised on an handmade ergocycle which allows eccentric contractions. With this type of ergometer, O2 consumption (VO2) is three to five fold lower than during an exercise realised at the same power output with a concentric ergocycle. Due to this later propertie, which origins are not yet fully identified, there is an increasing interest to embed ECC in rehabilitation programs. The investigators hypothesis that a higher pedal rate will induce a lower oxygen consumption, with the same benefits. This study aims to compare oxygen consumption at two pedal rates : 50 and 80 rotation per minute (rpm). The ultimate goal is to assess efficacy and tolerance of eccentric training on ergocycle and to enhance comprehension of the physiological mecanisms involved in the lower O2 consumption observed.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
October 2016
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
July 9, 2015
Actual (reported)August 2015
Date type not reportedThis date has not been verified as actual or estimated.
November 3, 2015
Actual (reported)September 2016
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
October 2016
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Oxygen consumption (VO2 ml/min)
Oxygen consumption (VO2) is continuously assesse during exercises at 50 and 80 rpm.
at day 1
Cardiac output( l/min)
at day 1
muscular oxygen kinetic (arbitrary unit and %)
at day 1
Muscular activity (mV)
at day 1 during one and half minute (1min30s)
VO2 (ml/min)
at day 1
All measurements are performed in two pedalling situations. The two frequencies used will be 50 and 80 RPM. For each subject the running order (50 and 80, 80 and 50) is randomly determined
All measurements are performed in two pedalling situations. The two frequencies used will be 50 and 80 RPM. For each subject the running order (50 and 80, 80 and 50) is randomly determined
CHU Clermont-Ferrand
Clermont-Ferrand, 63003, France
First Submitted
July 9, 2015
First Posted
November 3, 2015
Study Start
August 2015
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
September 2016
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This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
October 2016
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Last Updated
July 29, 2016
Record last verified: 2016-07
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Source: ClinicalTrials.gov.
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