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Acute Effect of Aerobic Exercise on Cardiovascular Reactivity During a Mental Stress Test in Teachers

27. oktober 2026 opdateret af: Lucieli Teresa Cambri, Federal University of Mato Grosso

Acute Effect of Moderate-intensity Aerobic Exercise on Cardiovascular Reactivity During a Mental Stress Test in Teachers

This study will investigate the acute effect of a single session of moderate-intensity aerobic exercise on blood pressure responses to mental stress in teachers. Participants will complete two experimental sessions: a control session without exercise and a 30-minute moderate-intensity aerobic exercise session. The intensity of the aerobic exercise session will be set at 50-60% of the heart rate reserve. The order of the experimental sessions will be randomized. We will assess blood pressure and heart rate at rest and during a mental stress test performed before and 30 minutes after each session. The two sessions will be separated by 48-72 hours.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This study will investigate the acute effects of a moderate-intensity aerobic exercise session on blood pressure responses to mental stress in teachers. Participants will complete two experimental sessions: a control session without exercise and a 30-minute moderate-intensity aerobic exercise session. The intensity of the aerobic exercise session will be set at 50-60% of the heart rate reserve. The order of the experimental sessions will be randomized. We will assess blood pressure and heart rate at rest and during a mental stress test performed before and 30 minutes after each session. The two sessions will be separated by 48-72 hours.

The mental stress test will consist of a computerized Stroop Color Test involving the colors green, red, blue, and yellow. Participants will be instructed to identify the color of the word rather than read the word itself. For example, if the word "green" is displayed in red, the correct response is "red." Each word will be displayed for one second. An auditory stimulus consisting of words that differ from both the written word and the displayed color will also be presented. The total duration of the mental stress test will be 4 minutes (Probst et al., 1997; Cavalcante, 2023).

Systolic blood pressure (SBP), diastolic blood pressure (DBP), and HR will be assessed at baseline and during the mental stress test (at 2 and 4 minutes) performed before and 30 minutes after each session.

Mental stress reactivity (Δ) will be calculated at 2 and 4 minutes as the value measured at each time point minus the corresponding pre-test baseline value (Δ2 = value at 2 minutes - baseline value; Δ4 = value at 4 minutes - baseline value). Peak Δ will be defined as the highest response observed at either 2 or 4 minutes (the maximum of Δ2 and Δ4). The change in blood pressure reactivity from before to 30 minutes after each experimental session will be compared between the moderate-intensity aerobic exercise and control conditions.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

25

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

    • Mato Grosso
      • Cuiabá, Mato Grosso, Brasilien, 78.060-581
        • Federal University of Mato Grosso

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

18 år til 65 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

Participants must meet all of the following criteria:

  • Age between 18 and 65 years;
  • Body mass index (BMI) between 18.5 and 39.9 kg/m²;
  • Currently employed as a teacher;
  • At least 2 years of experience as a teacher;
  • Able to perform the proposed physical exercise interventions.

Exclusion Criteria:

  • Have a psychiatric disorder that could interfere with participation in the study;
  • Have a diagnosed cardiac arrhythmia;
  • Have musculoskeletal or osteoarticular conditions that prevent or contraindicate physical exercise;
  • Are pregnant or breastfeeding;
  • Are on leave of absence or vacation during the study period.

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Forebyggelse
  • Tildeling: Randomiseret
  • Interventionel model: Crossover opgave
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Sham-komparator: Styring

Participants will undergo a control session without physical exercise. Blood pressure and heart rate will be assessed at rest and during the Stroop Color Test, performed before and 30 minutes after the control session.

Eksperimentel: Moderat intensitet aerob træning

Participants will perform a 30-minute moderate-intensity aerobic exercise session at 50-60% of the heart rate reserve. Blood pressure and heart rate will be assessed at rest and during the Stroop Color Test, performed before and 30 minutes after the exercise session.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Systolic blood pressure reactivity to mental stress
Tidsramme: During the mental stress test (0, 2 and 4 minutes), before and 30 minutes after each experimental session.

Systolic blood pressure will be measured at rest and during the Stroop Color Test before and 30 minutes after each experimental session. Systolic blood pressure reactivity to mental stress will be calculated as the change (Δ) in systolic blood pressure between the resting measurement and the measurement obtained during the Stroop Color Test.

The change in systolic blood pressure reactivity from before to 30 minutes after each experimental session will be compared between the session of moderate-intensity aerobic exercise and control conditions.

During the mental stress test (0, 2 and 4 minutes), before and 30 minutes after each experimental session.
Post-exercise hypotension
Tidsramme: At rest before and 30 minutes after each experimental session.

Post-exercise hypotension will be assessed by comparing systolic and diastolic blood pressure measured 30 minutes after each experimental session with the corresponding pre-exercise resting measurements.

At rest before and 30 minutes after each experimental session.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Diastolic blood pressure reactivity to mental stress
Tidsramme: During the mental stress test (0, 2 and 4 minutes), before and 30 minutes after each experimental session.

Diastolic blood pressure reactivity to mental stress will be calculated as the change (Δ) in diastolic blood pressure between the resting measurement and the measurement obtained during the Stroop Color Test. The change in diastolic blood pressure reactivity from before to 30 minutes after each experimental session will be compared between the session of moderate-intensity aerobic exercise and control conditions.

During the mental stress test (0, 2 and 4 minutes), before and 30 minutes after each experimental session.
Heart rate reactivity to mental stress
Tidsramme: During the mental stress test (0, 2 and 4 minutes), before and 30 minutes after each experimental session.

Heart rate reactivity to mental stress will be calculated as the change (Δ) in heart rate between the resting measurement and the measurement obtained during the Stroop Color Test. The change in heart rate reactivity from before to 30 minutes after each experimental session will be comparedthe session of moderate-intensity aerobic exercise and control conditions.

During the mental stress test (0, 2 and 4 minutes), before and 30 minutes after each experimental session.

Samarbejdspartnere og efterforskere

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

Sponsor

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 (Anslået)

1. december 2026

Primær færdiggørelse (Anslået)

1. december 2028

Studieafslutning (Anslået)

1. december 2028

Datoer for studieregistrering

Først indsendt

27. oktober 2026

Først indsendt, der opfyldte QC-kriterier

27. oktober 2026

Først opslået (Faktiske)

3. november 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

3. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

27. oktober 2026

Sidst verificeret

1. oktober 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 97330026.5.0000.8124-ProtocolB

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