Oxygen Consumption Clinical Trial
— NePTUNE-3Official title:
Effects of Manipulating Swimming Speed and Frequency on Swimming Economy in High-level Swimmers and Para-swimmers
Verified date | May 2022 |
Source | University of Rouen Normandie |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The competitive swimming and open water swimming events are scheduled for the 2024 Paris Olympic and Paralympian Games. Generally associated with a non-neglectable number of medals in the last Olympics, swimming performance depends on the swimmer's ability to manage his or her Stroke Length and Stroke Rate, where Velocity can be defined as the product of SR and SL. The optimisation of this management depends on the swimmer's ability to develop a large motor repertoire and to use the coordination mode (catch-up, opposition, superposition) best suited to the environmental constraints and opponents' adversity. These adaptations may contribute to 1) a modification of the energy expenditure or be dependent on the energy supply necessary for muscular contraction and 2) the preferential use of one or other of the metabolic pathways in the production of this chemical energy, moreover in an aquatic environment inducing particular thermal exchanges.
Status | Enrolling by invitation |
Enrollment | 58 |
Est. completion date | August 1, 2024 |
Est. primary completion date | September 1, 2022 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 12 Years to 50 Years |
Eligibility | Inclusion Criteria: - High-level swimmers and para-swimmers on ministerial lists - Current license to participate in national and international competitions - Over 12 and under 50 years old - Signed consent form - Willingness to participate / cooperate Exclusion Criteria: - Absence of authorization from legal guardians for the minor athlete at the time of inclusion in the study. - For disabled athletes: non-union fracture, pressure sore stage 2 or more, infection (CRP > 5, body temperature > 38°C), non-union musculo-tendinous lesion at the time of inclusion. - Hemophilia, coagulation disorders - Regular medication intake that may influence the data - Any metabolic or hormonal disorder. Contraindications to competitive swimming - Any other condition that the investigating physician considers may pose an individual risk or interfere with the evaluation of the data. |
Country | Name | City | State |
---|---|---|---|
France | Institut National du Sport, de l'Expertise et de la Performance | Paris |
Lead Sponsor | Collaborator |
---|---|
University of Rouen Normandie | French federation of handisport, French Institute of Sport (INSEP), French swimming federation (FFN) |
France,
Ribeiro J, Toubekis AG, Figueiredo P, de Jesus K, Toussaint HM, Alves F, Vilas-Boas JP, Fernandes RJ. Biophysical Determinants of Front-Crawl Swimming at Moderate and Severe Intensities. Int J Sports Physiol Perform. 2017 Feb;12(2):241-246. doi: 10.1123/ijspp.2015-0766. Epub 2016 Aug 24. — View Citation
Seifert L, Chollet D, Rouard A. Swimming constraints and arm coordination. Hum Mov Sci. 2007 Feb;26(1):68-86. Epub 2006 Nov 28. — View Citation
Seifert L, Komar J, Araújo D, Davids K. Neurobiological degeneracy: A key property for functional adaptations of perception and action to constraints. Neurosci Biobehav Rev. 2016 Oct;69:159-65. doi: 10.1016/j.neubiorev.2016.08.006. Epub 2016 Aug 6. Review. — View Citation
Seifert L, Komar J, Crettenand F, Millet G. Coordination pattern adaptability: energy cost of degenerate behaviors. PLoS One. 2014 Sep 25;9(9):e107839. doi: 10.1371/journal.pone.0107839. eCollection 2014. — View Citation
Thompson KG, Haljand R, MacLaren DP. An analysis of selected kinematic variables in national and elite male and female 100-m and 200-m breaststroke swimmers. J Sports Sci. 2000 Jun;18(6):421-31. — View Citation
Thompson KG, MacLaren DP, Lees A, Atkinson G. The effects of changing pace on metabolism and stroke characteristics during high-speed breaststroke swimming. J Sports Sci. 2004 Feb;22(2):149-57. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in index of coordination (IdC) from motor behavior | To observe the effects of a manipulated swimming frequency or velocity on the coordination (this one was quantified in terms of an index of coordination (IdC) based on the lag time between the propulsive phases of each swimming movement) from motor behavior viewpoints in elite level swimmers and para-swimmers. | each 6 month during 3 years | |
Secondary | Change in energy expenditure by contribution of aerobic and anaerobic metabolism. | To observe the effects of a manipulated swimming frequency or velocity on the variation of in the consumption of oxygen and lactic acid in elite level swimmers and para-swimmers. | each 6 month during 3 years |
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