- ICH GCP
- USA klinikai vizsgálatok nyilvántartása
- Klinikai vizsgálat NCT07718009
Effects of Alternating Altitude Training Versus Fixed-Altitude Training on Exercise Capacity and Physiological Adaptations in Elite Race Walkers: A Randomized Controlled Trial
Effects of Alternating Altitude Training Versus Fixed-Altitude Training on Physical Performance and Physiological Adaptations in Elite Race Walkers: A Randomized Controlled Trial
A tanulmány áttekintése
Állapot
Körülmények
Beavatkozás / kezelés
Tanulmány típusa
Beiratkozás (Becsült)
Fázis
- Nem alkalmazható
Kapcsolatok és helyek
Tanulmányi kapcsolat
- Név: Binghong Gao
- Telefonszám: +853 8591 2000
- E-mail: research_ethics@ipm.edu.mo
Tanulmányi helyek
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Macao, Kína
- Toborzás
- Macao Polytechnic University, Faculty of Health Sciences and Sports, Macao, China
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Kapcsolatba lépni:
- Chaoran Han
- Telefonszám: +853 8591 2000
- E-mail: hanchaoran1999@outlook.com
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Részvételi kritériumok
Jogosultsági kritériumok
Tanulmányozható életkorok
- Felnőtt
Egészséges önkénteseket fogad
Leírás
Inclusion Criteria:
- Male and female elite race walkers aged 16-26 years. Registered athletes from the Yunnan Provincial Race Walking Team. Long-term residents of high-altitude regions with regular altitude training experience.
Healthy and medically cleared to participate in high-intensity training and hypoxic exposure.
Able to complete the prescribed training program and all outcome assessments. Provided written informed consent before enrollment. For participants younger than 18 years, written informed consent will also be obtained from a parent or legal guardian.
Exclusion Criteria:
- Any cardiovascular, respiratory, metabolic, neurological, or other medical condition contraindicating exercise or hypoxic exposure.
Musculoskeletal injury or illness affecting normal training or performance within the previous three months.
Current use of medications or supplements that may substantially influence physiological adaptation or exercise performance.
Failure to complete the intervention or outcome assessments according to the study protocol.
Withdrawal of informed consent at any time during the study.
Tanulási terv
Hogyan készül a tanulmány?
Tervezési részletek
- Elsődleges cél: Egyéb
- Kiosztás: Véletlenszerűsített
- Beavatkozó modell: Párhuzamos hozzárendelés
- Maszkolás: Nincs (Open Label)
Fegyverek és beavatkozások
Résztvevő csoport / kar |
Beavatkozás / kezelés |
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Kísérleti: Alternating Altitude Training
Participants perform the prescribed training program using an alternating altitude strategy, with selected training sessions conducted under simulated higher-altitude conditions and the remaining sessions completed at the regular altitude training base.
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Participants complete the prescribed training program using an alternating altitude strategy, combining regular altitude training with selected sessions performed under simulated higher-altitude conditions.
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Aktív összehasonlító: Fixed-Altitude Training
Participants perform the same prescribed training program entirely at the regular altitude training base throughout the intervention.
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Participants complete the prescribed training program exclusively at the regular altitude training base.
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Mit mér a tanulmány?
Elsődleges eredményintézkedések
Eredménymérő |
Intézkedés leírása |
Időkeret |
|---|---|---|
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Body Weight
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Body weight measured before and after the training period.
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Baseline and immediately after completion of the 4-week intervention.
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Body Fat Percentage
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Body fat percentage measured using bioelectrical impedance or other validated method.
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Baseline and immediately after completion of the 4-week intervention.
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Forced Vital Capacity (FVC)
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Forced vital capacity measured using spirometry before and after the intervention.
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Baseline and immediately after completion of the 4-week intervention.
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Maximal Voluntary Ventilation
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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MVV measured using standard pulmonary function testing protocol pre- and post-intervention.
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Baseline and immediately after completion of the 4-week intervention.
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Left Ventricular Volume
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Echocardiography measurement of left ventricular end-diastolic and end-systolic volume.
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Baseline and immediately after completion of the 4-week intervention.
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Ejection Fraction
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Echocardiography assessment of left ventricular ejection fraction pre- and post-training.
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Baseline and immediately after completion of the 4-week intervention.
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Myocardial Thickness
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Measurement of interventricular septum and left ventricular posterior wall thickness by echocardiography.
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Baseline and immediately after completion of the 4-week intervention.
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Maximal Oxygen Uptake
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Pre- and post-intervention measurement of VO₂max using standard exercise testing protocol to assess aerobic capacity
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Baseline and immediately after completion of the 4-week intervention.
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Countermovement Jump Height
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Countermovement jump (CMJ) height measured using a validated force platform or jump assessment system to evaluate lower-limb explosive power before and after the intervention.
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Baseline and immediately after completion of the 4-week intervention.
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Squat Jump Height
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Squat jump (SJ) height measured using a validated force platform or jump assessment system to assess concentric lower-limb explosive strength before and after the intervention.
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Baseline and immediately after completion of the 4-week intervention.
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Isometric Mid-Thigh Pull Peak Force
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Peak force during the isometric mid-thigh pull (IMTP) measured using a force platform to assess maximal isometric lower-limb strength before and after the intervention.
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Baseline and immediately after completion of the 4-week intervention.
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Isometric Mid-Thigh Pull Rate of Force Development
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Rate of force development (RFD) during the isometric mid-thigh pull (IMTP) measured using a force platform before and after the intervention.
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Baseline and immediately after completion of the 4-week intervention.
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Reactive Strength Index (RSI)
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Reactive Strength Index (RSI) calculated from repeated ankle hops using a force platform or validated jump assessment system to assess lower-limb reactive strength before and after the intervention.
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Baseline and immediately after completion of the 4-week intervention.
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Másodlagos eredményintézkedések
Eredménymérő |
Intézkedés leírása |
Időkeret |
|---|---|---|
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Red Blood Cell Count
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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RBC count measured from venous blood samples pre- and post-intervention.
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Baseline and immediately after completion of the 4-week intervention.
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Hemoglobin
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Hemoglobin concentration measured from venous blood samples.
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Baseline and immediately after completion of the 4-week intervention.
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Hematocrit
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Hemoglobin concentration measured from venous blood samples.
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Baseline and immediately after completion of the 4-week intervention.
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Erythropoietin
Időkeret: Baseline and immediately after completion of the 4-week intervention.
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Plasma EPO concentration measured from venous blood samples.
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Baseline and immediately after completion of the 4-week intervention.
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Együttműködők és nyomozók
Szponzor
Tanulmányi rekorddátumok
Tanulmány főbb dátumok
Tanulmány kezdete (Becsült)
Elsődleges befejezés (Becsült)
A tanulmány befejezése (Becsült)
Tanulmányi regisztráció dátumai
Először benyújtva
Először nyújtották be, amely megfelel a minőségbiztosítási kritériumoknak
Első közzététel (Tényleges)
Tanulmányi rekordok frissítései
Utolsó frissítés közzétéve (Tényleges)
Az utolsó frissítés elküldve, amely megfelel a minőségbiztosítási kritériumoknak
Utolsó ellenőrzés
Több információ
A tanulmányhoz kapcsolódó kifejezések
Egyéb vizsgálati azonosító számok
- AAT-RW-2026-01
Terv az egyéni résztvevői adatokhoz (IPD)
Tervezi megosztani az egyéni résztvevői adatokat (IPD)?
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