Observation and Interactions Between Cardio-respiratory and Motor Transitions at the Limits of Moderate Exercise.
NCT ID: NCT06132724
Last Updated: 2025-04-01
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
20 participants
OBSERVATIONAL
2023-12-05
2024-06-11
Brief Summary
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The main questions it aims to answer is:
* is it possible to define criteria on cardiac, respiratory and motor modalities to identify transitions?
* are those transitions visible on embedded and non-intrusive monitoring equipment?
* are those identified transitions somehow connected to first ventilatory threshold (VT1)?
Participants will do a sub-maximal effort test on cycloergometer calibrated to make them cross their first ventilatory threshold.
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Detailed Description
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Physical activity prescription rely on four pillars: frequency, duration, volume and intensity. While first three pillars are quite easy to regulate,effort intensity is harder to handle on training planning. It is harder to measure, and defining personalized guideline for practice is more complex.
It is known that first ventilatory threshold (VT1) is a individualized marker representing the higher limit of moderate intensity effort zone. It makes it an interesting tool for the prescription of intensity for retraining purposes: it guaranties a safe practice, intense enough to make beneficial physiological adaptations for the patient.
In this retraining context and with this study, we aim to identify markers of this transition on cardiac, respiratory and motor modalities, with embedded and non intrusive equipment, during a sub-maximal effort test in laboratory.
Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Healthy Volunteers
Subjects who will agree to participate to the study will be healthy subject with no particular antecedents.
Subjects will be enroled for two sessions with a 20 min monitoring phase in each session, to coect physiological data with non invasive sensors.
Signal acquisition
Synchronized signals from cardiac, respiratory and movements non invasive measurements.
One acquisition is 20 minutes long, and each subject participate to two sessions, separated by 1 to 15 days.
Interventions
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Signal acquisition
Synchronized signals from cardiac, respiratory and movements non invasive measurements.
One acquisition is 20 minutes long, and each subject participate to two sessions, separated by 1 to 15 days.
Eligibility Criteria
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Inclusion Criteria
* No contraindication to cycling at a moderate pace
* No acute pathology (less than 2 years old)
* No cardiac or respiratory chronic pathology
* No locomotive problem on the spine or the lower limbs
* No recent injuries (less than 2 months)
* Stature compatible with the use of the plethysmography t-shirt
Exclusion Criteria
* Persons referred to in articles L1121-5 to L1121-8 of the CSP (protected persons) person deprived of liberty by judicial or administrative decision, person subject to a legal protection measure
* Subject being excluded from another study
* Subject who reached the ceiling of 4500 euros due to their participation in other studies involving human in the past 12 months
18 Years
64 Years
ALL
Yes
Sponsors
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TIMC-IMAG
OTHER
University Grenoble Alps
OTHER
University Hospital, Grenoble
OTHER
Responsible Party
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Locations
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Plateforme PRETA P3I
Grenoble, , France
Countries
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References
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Blair SN. Physical inactivity: the biggest public health problem of the 21st century. Br J Sports Med. 2009 Jan;43(1):1-2. No abstract available.
Pisot R. Physical Inactivity - the Human Health's Greatest Enemy. Zdr Varst. 2021 Dec 27;61(1):1-5. doi: 10.2478/sjph-2022-0002. eCollection 2022 Mar.
Meyler S, Bottoms L, Muniz-Pumares D. Biological and methodological factors affecting V̇O2max response variability to endurance training and the influence of exercise intensity prescription. Exp Physiol. 2021 Jul;106(7):1410-1424. doi: 10.1113/EP089565. Epub 2021 Jun 8.
Succi PJ, Dinyer TK, Byrd MT, Bergstrom HC. Comparisons of the Metabolic Intensities at Heart Rate, Gas Exchange, and Ventilatory Thresholds. Int J Exerc Sci. 2020 May 1;13(2):455-469. doi: 10.70252/IBRC8606. eCollection 2020.
Pouliquen C, Nicolas G, Bideau B, Garo G, Megret A, Delamarche P, Bideau N. Spatiotemporal analysis of 3D kinematic asymmetry in professional cycling during an incremental test to exhaustion. J Sports Sci. 2018 Oct;36(19):2155-2163. doi: 10.1080/02640414.2018.1432066. Epub 2018 Jan 30.
Jamnick NA, Pettitt RW, Granata C, Pyne DB, Bishop DJ. An Examination and Critique of Current Methods to Determine Exercise Intensity. Sports Med. 2020 Oct;50(10):1729-1756. doi: 10.1007/s40279-020-01322-8.
Other Identifiers
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38RC23.0263
Identifier Type: -
Identifier Source: org_study_id
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