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Effects of Short Duration High-intensity Interval Training on Peak Oxygen Consumption

NCT ID: NCT04656509

Last Updated: 2020-12-09

Study Results

Results pending

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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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

11 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-04-01

Study Completion Date

2020-04-24

Brief Summary

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High-intensity interval training (HIIT) is an effective tool to improve cardiovascular fitness and maximal anaerobic power. Different methods of HIIT have been studied but the effect of a maximal effort cycling and very short exercise time (i.e., 4-s) with short recovery time (15-30 s) and a high number of repetitions (i.e., 30 bouts) is unknown.

Detailed Description

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The investigators examined the effects of training at maximal anaerobic power during cycling (PC) on maximal anaerobic power, peak oxygen consumption (VO2peak), and total blood volume in 11 young healthy individuals (age: 21.3±0.5 y) (6 men, 5 women). Methods: Participants trained three times a week for eight weeks performing a PC program consisting of 30 bouts of 4-s at an all-out intensity (i.e., 2 minutes of exercise per session). The cardiovascular stress progressively increased over the weeks by decreasing the recovery time between sprints (30 to 24 to 15-s) and thus session time decreased from 17 to \< 10 min.

Conditions

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Cardiovascular Fitness

Keywords

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exercise cardiovascular fitness sprinting performance

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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4-s sprint inertial load training

Participants trained three times a week for eight weeks following the training program consisting of 30 bouts of 4s all-out cycling on an inertial-load ergometer with progressively decreasing recovery time (30 to 24 to 15s).

Group Type EXPERIMENTAL

4-s sprint inertial load training

Intervention Type OTHER

A program employing 30 bouts of 4s inertial load sprint training with progressively reduced recovery time (30 to 15 s) between sprints is effective for improving blood volume, VO2peak and maximal power.

Interventions

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4-s sprint inertial load training

A program employing 30 bouts of 4s inertial load sprint training with progressively reduced recovery time (30 to 15 s) between sprints is effective for improving blood volume, VO2peak and maximal power.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

Young (18-30), Healthy, Recreationally active, but untrained (not meeting ACSM's recommendations of 150 min/week of moderate-vigorous aerobic exercise) -

Exclusion Criteria

Cardiovascular disease Smoking Subjects who were exercising regularly (\>75 min/week) were excluded.

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Minimum Eligible Age

18 Years

Maximum Eligible Age

49 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University of Texas at Austin

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Edward F Coyle, Ph.D.

Role: STUDY_DIRECTOR

University of Texas at Austin

Locations

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Human Performance Laboratory, Department of Kinesiology and Health Education, the University of Texas at Austin

Austin, Texas, United States

Site Status

Countries

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United States

References

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Satiroglu R, Lalande S, Hong S, Nagel MJ, Coyle EF. Four-Second Power Cycling Training Increases Maximal Anaerobic Power, Peak Oxygen Consumption, and Total Blood Volume. Med Sci Sports Exerc. 2021 Dec 1;53(12):2536-2542. doi: 10.1249/MSS.0000000000002748.

Reference Type DERIVED
PMID: 34310498 (View on PubMed)

Other Identifiers

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2019-01-0132

Identifier Type: -

Identifier Source: org_study_id