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Whole-Body Cryotherapy and Isokinetic Performance After Exercise-Induced Fatigue (WBC-ISO)

1. juni 2026 opdateret af: Zeynep Koluman, Biruni University

Effect of Whole-Body Cryotherapy on Isokinetic Performance After Exercise-Induced Fatigue

This randomized crossover study investigated the effects of whole-body cryotherapy (WBC) on isokinetic knee performance following running-induced fatigue in physically active healthy male university students. Participants completed two recovery conditions, WBC and passive rest, on separate days following a standardized treadmill fatigue protocol. Knee extension and flexion strength were assessed using an isokinetic dynamometer at angular velocities of 60°/s and 240°/s. In addition, blood pressure, heart rate, oxygen saturation, and perceived fatigue responses were monitored throughout the recovery period. The study aimed to determine whether WBC improves post-exercise recovery and lower-extremity muscle performance compared with passive rest.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This study was designed to investigate the effects of whole-body cryotherapy (WBC) on recovery and isokinetic muscle performance following exercise-induced fatigue in physically active healthy male university students. Exercise-induced fatigue is associated with reduced muscle force production, impaired performance, and increased injury risk. Various recovery strategies have been used to minimize these negative effects, and WBC has gained increasing attention in sports medicine because of its potential physiological and neuromuscular recovery benefits.

The study used a randomized within-subject crossover design in which participants completed two recovery conditions, WBC and passive rest, on separate days following a standardized treadmill-based fatigue protocol. During the WBC condition, participants were exposed to a two-stage cryogenic chamber consisting of an adaptation chamber at -30°C followed by a main chamber at -85°C. Passive rest sessions were performed under the same laboratory conditions without cryotherapy exposure.

Primary outcome measures included isokinetic knee extension and flexion performance assessed at angular velocities of 60°/s and 240°/s using an isokinetic dynamometer. Peak torque and body mass-normalized peak torque values were analyzed for both dominant and non-dominant lower extremities. Secondary outcome measures included systolic and diastolic blood pressure, heart rate, oxygen saturation, and perceived fatigue responses measured throughout the recovery period.

The aim of the study was to determine whether WBC provides superior recovery effects compared with passive rest following running-induced acute fatigue.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

30

Fase

  • Ikke anvendelig

Kontakter og lokationer

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Studiesteder

  • Tyrkiet (Türkiye)
    • Istanbul
      • Istanbul, Istanbul, Tyrkiet (Türkiye), 34000
        • Istanbul University

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen

Tager imod sunde frivillige

Ja

Beskrivelse

Inclusion Criteria:

  • Healthy male participants aged 18-30 years with no exercise limitation
  • No history of knee or lower-extremity injury requiring physiotherapy or surgical intervention
  • No current lower-extremity pain
  • No limitation in lower-extremity range of motion
  • No chronic disease
  • No mental or psychological disorder

Exclusion Criteria:

  • Presence of cardiovascular disease
  • Presence of respiratory disease
  • History of cold allergy
  • Presence of a tumor-related disease
  • Presence of a viral or bacterial infection
  • Diagnosis of Raynaud's disease
  • Presence of claustrophobia

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Grundvidenskab
  • Tildeling: Randomiseret
  • Interventionel model: Crossover opgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Whole-Body Cryotherapy
Participants underwent whole-body cryotherapy following the running-induced fatigue protocol.
Procedure: Whole-Body Cryotherapy
Participants underwent whole-body cryotherapy following a standardized running-induced fatigue protocol. The intervention was performed in a two-stage cryogenic chamber consisting of a 30-second adaptation phase at -30°C followed by a 3-minute exposure at -85°C.
Ingen indgriben: Passive Rest
Participants completed passive seated rest following the running-induced fatigue protocol.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Peak Torque During Knee Extension and Flexion
Tidsramme: Immediately after the 30-minute recovery period
Assessment of isokinetic knee extension and flexion peak torque at 60°/s and 240°/s following whole-body cryotherapy and passive rest recovery conditions.
Immediately after the 30-minute recovery period
Peak Torque Normalized to Body Mass
Tidsramme: Immediately after the 30-minute recovery period
Assessment of body mass-normalized peak torque values during isokinetic knee extension and flexion testing at 60°/s and 240°/s.
Immediately after the 30-minute recovery period

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Heart Rate
Tidsramme: Baseline, immediately after exercise, and every 5 minutes during the 30-minute recovery period
Assessment of heart rate responses throughout the recovery period following exercise-induced fatigue.
Baseline, immediately after exercise, and every 5 minutes during the 30-minute recovery period
Blood Pressure
Tidsramme: Baseline, immediately after exercise, and every 5 minutes during the 30-minute recovery period
Assessment of systolic and diastolic blood pressure responses throughout the recovery period.
Baseline, immediately after exercise, and every 5 minutes during the 30-minute recovery period
Oxygen Saturation
Tidsramme: Baseline, immediately after exercise, and every 5 minutes during the 30-minute recovery period
Assessment of peripheral oxygen saturation during the recovery period.
Baseline, immediately after exercise, and every 5 minutes during the 30-minute recovery period
Perceived Fatigue
Tidsramme: Immediately after exercise, 5 minutes, and 10 minutes after exercise
Assessment of perceived fatigue using the Borg Rating of Perceived Exertion (RPE) Scale (6-20 points). Scores range from 6 (no exertion) to 20 (maximal exertion), with higher scores indicating greater perceived fatigue and exertion.
Immediately after exercise, 5 minutes, and 10 minutes after exercise

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Biruni University

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

2. september 2024

Primær færdiggørelse (Faktiske)

1. maj 2025

Studieafslutning (Faktiske)

1. maj 2025

Datoer for studieregistrering

Først indsendt

24. maj 2026

Først indsendt, der opfyldte QC-kriterier

24. maj 2026

Først opslået (Faktiske)

1. juni 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

2. juni 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

1. juni 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Andre undersøgelses-id-numre

  • 2024/1567

Plan for individuelle deltagerdata (IPD)

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INGEN

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