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Effects of Different High-Intensity Interval Training Protocols on Physiological and Skeletal Muscle Adaptations in Healthy Young Men

4. November 2026 aktualisiert von: Gdansk University of Physical Education and Sport

This study investigated the effects of different high-intensity interval training protocols on physical fitness and physiological adaptations in healthy young men.

Participants underwent a two-week exercise training program consisting of six sessions performed three times per week. Four training protocols were investigated, differing in exercise intensity, duration of exercise bouts, and recovery periods.

The primary outcome was the change in maximal oxygen uptake (VO2max), an indicator of aerobic fitness. Additional assessments included cognitive performance, measured using tests of attention, processing speed, and inhibitory control, as well as selected physiological and skeletal muscle adaptations.

The study aimed to improve understanding of how different high-intensity interval training protocols influence aerobic fitness and other physiological responses over a short training period.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

High-intensity interval training (HIIT) and sprint interval training (SIT) are exercise strategies characterized by repeated bouts of vigorous or maximal exercise interspersed with recovery periods. These training approaches may induce physiological adaptations within relatively short intervention periods. However, the effects of different combinations of exercise duration, intensity, and recovery time on aerobic fitness, cognitive performance, and skeletal muscle adaptations require further investigation.

This interventional study examined physiological responses to four cycling-based high-intensity training protocols in healthy young men. Participants completed six training sessions over two weeks, with three sessions performed each week.

The investigated protocols included:

SIT10:1: Repeated 10-second maximal cycling sprints separated by 60-second recovery periods.

SIT10:4: Repeated 10-second maximal cycling sprints separated by 240-second recovery periods.

HIIT90:180: Six 90-second cycling intervals performed at 80% of maximal aerobic power, separated by 180-second passive recovery periods.

Wingate-SIT: Repeated 30-second all-out cycling sprints using a Wingate-based protocol.

The primary outcome was the change in maximal oxygen uptake (VO2max), assessed using incremental exercise testing before and after the intervention. Additional assessments included cognitive performance using the Stroop Color-Word Test, Trail Making Test, and Digit Span Test, as well as selected measures of exercise performance and skeletal muscle metabolic adaptations.

Skeletal muscle biopsies were collected from subsets of participants before and after training to investigate exercise-induced adaptations in muscle tissue. Stored biopsy samples were subsequently used for exploratory proteomic analyses.

The study was designed to characterize short-term physiological and skeletal muscle responses to different high-intensity interval exercise protocols.

Studientyp

Interventionell

Einschreibung (Tatsächlich)

50

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

    • Pomeranian
      • Gdansk, Pomeranian, Polen, 80-336
        • Gdansk University of Physical Education and Sport

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

18 Jahre bis 35 Jahre (Erwachsene)

Akzeptiert gesunde Freiwillige

Ja

Studienberechtigte Geschlechter

Männlich

Beschreibung

Inclusion Criteria:

Healthy adult males. Physically active individuals. Ability to perform high-intensity cycling exercise. Willingness to participate in the two-week training intervention and complete the required assessments.

Provision of written informed consent.

Exclusion Criteria:

Known cardiovascular, respiratory, metabolic, or neurological disorders that could affect exercise performance or participant safety.

Musculoskeletal injuries or conditions preventing participation in high-intensity cycling exercise.

Medical contraindications to maximal exercise testing or sprint interval training.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Grundlegende Wissenschaft
  • Zuteilung: Nicht randomisiert
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: SIT10:1 - Short-Recovery Sprint Interval Training

Participants completed a two-week cycling sprint interval training program comprising six sessions (three sessions per week). The protocol involved repeated 10-second maximal cycling sprints separated by 60-second recovery intervals.

A two-week cycling sprint interval training intervention consisting of six sessions performed three times per week. Participants performed repeated 10-second maximal cycling sprints interspersed with 60-second recovery intervals.

Experimental: SIT10:4 - Long-Recovery Sprint Interval Training

Participants completed a two-week cycling sprint interval training program comprising six sessions (three sessions per week). The protocol involved repeated 10-second maximal cycling sprints separated by 240-second recovery intervals.

A two-week cycling sprint interval training intervention consisting of six sessions performed three times per week. Participants performed repeated 10-second maximal cycling sprints interspersed with 240-second recovery intervals.

Experimental: HIIT90:180 - High-Intensity Interval Training

Participants completed a two-week high-intensity interval cycling program consisting of six supervised training sessions (three sessions per week). Each session included six 90-second cycling bouts performed at 80% of maximal aerobic power, separated by 180-second passive recovery intervals. Exercise cadence was maintained at approximately 60 revolutions per minute.

A two-week cycling high-intensity interval training intervention comprising six supervised sessions performed three times per week. Each session consisted of six 90-second exercise bouts at 80% of maximal aerobic power, separated by 180-second passive recovery intervals. Cycling cadence was approximately 60 revolutions per minute.

Experimental: Wingate-SIT - Wingate-Based Sprint Interval Training

Participants completed a two-week sprint interval training program comprising six cycling sessions (three sessions per week). The intervention consisted of repeated 30-second all-out cycling sprints performed using a Wingate-based protocol, with recovery periods between successive efforts.

A two-week cycling sprint interval training intervention comprising six sessions performed three times per week. Participants performed repeated 30-second all-out cycling sprints using a Wingate-based protocol, with recovery intervals between successive sprints.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in Maximal Oxygen Uptake (VO2max)
Zeitfenster: Baseline and after the 2-week training intervention

Change in maximal oxygen uptake (VO2max), expressed in mL/kg/min, assessed using an incremental exercise test before and after the two-week training intervention.

Baseline and after the 2-week training intervention

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in Cognitive Performance
Zeitfenster: Baseline and after the 2-week training intervention

Changes in cognitive performance assessed using the Stroop Color-Word Test (inhibitory control), Trail Making Test (processing speed and executive function), and Digit Span Test (working memory), before and after the two-week training intervention.

Baseline and after the 2-week training intervention
Change in Skeletal Muscle Oxidative Enzyme Activity
Zeitfenster: Baseline and after the 2-week training intervention

Changes in skeletal muscle oxidative enzyme activity assessed in biopsy samples collected before and after the two-week training intervention. Muscle biopsies were performed in a subset of participants who provided additional informed consent for the procedure.

Baseline and after the 2-week training intervention

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

10. Februar 2013

Primärer Abschluss (Tatsächlich)

17. April 2018

Studienabschluss (Tatsächlich)

30. Dezember 2018

Studienanmeldedaten

Zuerst eingereicht

4. November 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

4. November 2026

Zuerst gepostet (Tatsächlich)

9. November 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

9. November 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

4. November 2026

Zuletzt verifiziert

1. November 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Andere Studien-ID-Nummern

  • AWFiS/2026_5_RL

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Beschreibung des IPD-Plans

Individual participant data will not be made publicly available due to participant confidentiality considerations and the absence of a data-sharing plan in the original study protocol.

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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