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Effects of an Unsupported Intermittent Isometric Squat Protocol on Blood Pressure and Arterial Stiffness in Patients with Prehypertension and Stage 1 Hypertension

Acute Effects of an Unsupported Intermittent Isometric Squat Protocol on Blood Pressure and Arterial Stiffness in Patients with Prehypertension and Stage 1 Hypertension

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600126639
Enrollment
Unknown
Registered
2026-06-12
Start date
2026-06-19
Completion date
Unknown
Last updated
2026-06-15

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

Conditions

hypertension

Interventions

Control group:Maintain your usual lifestyle and regular medical care.
Intervention group:Unsupported Intermittent Isometric Squat

Sponsors

Peking University Third Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1.Aged 18 to 65 years, both sexes; 2.Office systolic blood pressure (SBP) 120-159 mmHg, and/or diastolic blood pressure (DBP) 80-99 mmHg; 3.If currently receiving antihypertensive medications, the drug types and dosages must have remained unchanged for the past 3 months, with a commitment to maintaining a regular medication regimen throughout the trial; 4.Low physical activity level (defined as accumulated leisure-time physical activity=150 minutes per week, exercise training = 2 times per week, and no regular resistance training within the past 6 months); 5.Fully understand the study protocol, voluntarily participate, and sign the written informed consent form.

Exclusion criteria

Exclusion criteria: 1.Taking medications that affect cardiac autonomic regulation (i.e., non-dihydropyridine calcium channel blockers); 2.Diagnosed with secondary hypertension; 3.Presence of hypertension-mediated target organ damage (e.g., left ventricular hypertrophy, grade III or higher retinopathy, renal insufficiency with eGFR < 60 ml/min); 4.Comorbid with other severe cardiovascular or cerebrovascular diseases (unstable coronary artery disease, moderate or severe valvular stenosis or regurgitation, atrial or ventricular arrhythmias, stroke or transient ischemic attack, aortic aneurysm and peripheral arterial disease, uncorrected congenital or inherited heart disease, left ventricular ejection fraction < 50%, heart failure); 5.Abnormal cardiovascular response during cardiopulmonary exercise testing; 6.BMI = 35 kg/m²; 7.Presence of diabetic complications or use of insulin; 8.Presence of musculoskeletal conditions that impede the execution of squat training; 9.Any medical condition that, in the judgment of the investigator, makes the subject unsuitable for participation in this study;

Design outcomes

Primary

MeasureTime frame
24-hour systolic blood pressure;

Secondary

MeasureTime frame
Systolic blood pressure at peak exercise;24-hour diastolic blood pressure;

Countries

China

Contacts

Public ContactWei Zhao

Peking University Third Hospital

beate_vv@126.com+86 10 8226 5122

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jun 21, 2026