Physiological and Perceptual Responses During 4-Second Exercise
NCT ID: NCT06912932
Last Updated: 2025-04-06
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
NA
11 participants
INTERVENTIONAL
2023-04-04
2024-10-02
Brief Summary
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Detailed Description
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Study Aim This study examined how power output and oxygen consumption (VO₂) respond to repeated 4-second sprints at 50%, 75%, and 100% of maximal power (Pmax) with rest periods of 15, 30, or 45 seconds.
Methods Eleven recreationally active participants completed nine trials, each consisting of thirty 4-second cycling sprints under different intensity and recovery conditions.
Conditions
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Study Design
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RANDOMIZED
CROSSOVER
BASIC_SCIENCE
NONE
Study Groups
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50% Pmax and 15-s rest duration
Participants used 50% Pmax and 15-s rest duration during 30 bouts of 4-s sprint interval training.
Preventive
systematically investigate the acute physiological responses induced by three levels of %Pmax intensities (50% and 75% of Pmax and all-out efforts) with three varying rest periods (15, 30, and 45-s) between thirty 4-s sprints.
50% Pmax and 30-s rest duration
Participants used 50% Pmax and 30-s rest duration during 30 bouts of 4-s sprint interval training.
Preventive
systematically investigate the acute physiological responses induced by three levels of %Pmax intensities (50% and 75% of Pmax and all-out efforts) with three varying rest periods (15, 30, and 45-s) between thirty 4-s sprints.
50% Pmax and 45-s rest duration4
Participants used 50% Pmax and 45-s rest duration during 30 bouts of 4-s sprint interval training.
Preventive
systematically investigate the acute physiological responses induced by three levels of %Pmax intensities (50% and 75% of Pmax and all-out efforts) with three varying rest periods (15, 30, and 45-s) between thirty 4-s sprints.
75% Pmax and 15-s rest duration
Participants used 75% Pmax and 15-s rest duration during 30 bouts of 4-s sprint interval training.
Preventive
systematically investigate the acute physiological responses induced by three levels of %Pmax intensities (50% and 75% of Pmax and all-out efforts) with three varying rest periods (15, 30, and 45-s) between thirty 4-s sprints.
75% Pmax and 30-s rest duration
Participants used 75% Pmax and 30-s rest duration during 30 bouts of 4-s sprint interval training.
Preventive
systematically investigate the acute physiological responses induced by three levels of %Pmax intensities (50% and 75% of Pmax and all-out efforts) with three varying rest periods (15, 30, and 45-s) between thirty 4-s sprints.
75% Pmax and 45-s rest duration
Participants used 75% Pmax and 45-s rest duration during 30 bouts of 4-s sprint interval training.
Preventive
systematically investigate the acute physiological responses induced by three levels of %Pmax intensities (50% and 75% of Pmax and all-out efforts) with three varying rest periods (15, 30, and 45-s) between thirty 4-s sprints.
All-out Pmax and 15-s rest duration
Participants used all-out Pmax and 15-s rest duration during 30 bouts of 4-s sprint interval training.
Preventive
systematically investigate the acute physiological responses induced by three levels of %Pmax intensities (50% and 75% of Pmax and all-out efforts) with three varying rest periods (15, 30, and 45-s) between thirty 4-s sprints.
all-out Pmax and 30-s rest duration
Participants used all-out Pmax and 30-s rest duration during 30 bouts of 4-s sprint interval training.
Preventive
systematically investigate the acute physiological responses induced by three levels of %Pmax intensities (50% and 75% of Pmax and all-out efforts) with three varying rest periods (15, 30, and 45-s) between thirty 4-s sprints.
all-out Pmax and 45-s rest duration
Participants used all-out Pmax and 45-s rest duration during 30 bouts of 4-s sprint interval training.
Preventive
systematically investigate the acute physiological responses induced by three levels of %Pmax intensities (50% and 75% of Pmax and all-out efforts) with three varying rest periods (15, 30, and 45-s) between thirty 4-s sprints.
Interventions
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Preventive
systematically investigate the acute physiological responses induced by three levels of %Pmax intensities (50% and 75% of Pmax and all-out efforts) with three varying rest periods (15, 30, and 45-s) between thirty 4-s sprints.
Eligibility Criteria
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Inclusion Criteria
* Healthy,
* Recreationally active, but untrained (not meeting ACSM's recommendations of 150 min/week of moderate-vigorous aerobic exercise)
Exclusion Criteria
* Smoking
* Subjects who were exercising regularly (\>75 min/week) were excluded.
18 Years
30 Years
ALL
Yes
Sponsors
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University of Texas at Austin
OTHER
Responsible Party
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Locations
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Human Performance Laboratory, Department of Kinesiology and Health Education, the University of Texas at Austin
Austin, Texas, United States
Countries
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Other Identifiers
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STUDY00004240-CR01
Identifier Type: -
Identifier Source: org_study_id
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