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The effects of high intensity exercise in the morning and evening on blood pressure responses in inactive women

The Effects of Exercise Timing and Modality on Cardiovascular Reactivity in Untrained Females

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
TCTR
Registry ID
TCTR20251124003
Enrollment
14
Registered
2025-11-24
Start date
2022-04-01
Completion date
Unknown
Last updated
2026-03-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

cardiovascular reactivity in inactive females blood pressure heart rate heart rate variability circadian rhythm exercise

Interventions

Participants underwent two experimental conditions (morning exercise or evening exercise) in randomised order, on separate days. They were blinded to the order of conditions. Each experimental conditi
Exercise,No exercise

Sponsors

Universiti Kebangsaan Malaysia
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 30 Years

Inclusion criteria

Inclusion criteria: 1. normal body mass index (BMI) 2. normotensive (resting BP less than 130/80 mmHg) 3. physically inactive (defined as less than 300 MET-min/week based on recreational activity items in the Global Physical Activity Questionnaire, 4. free from diagnosed cardiovascular, metabolic, or psychological disorders

Exclusion criteria

Exclusion criteria: 1. smokers 2. use of medications or dietary supplements known to influence cardiovascular outcomes 3. musculoskeletal or physical limitations 3. night shift work, or having irregular daily routines.

Design outcomes

Primary

MeasureTime frame
Blood pressure reactivity before and during cold pressor task sphygmomanometer,Heart rate reactivity before and during cold pressor task heart rate monitor

Secondary

MeasureTime frame
Heart rate variability before and during cold pressor task heart rate monitor

Countries

Malaysia

Contacts

Public ContactNor Farah

Universiti Kebangsaan Malaysia

norfarah@ukm.edu.my60392897411

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Apr 4, 2026