Preprint Article Version 3 Preserved in Portico This version is not peer-reviewed

Effectiveness of High-Intensity Interval Training and Continuous Moderate-Intensity Training on Blood Pressure in Physically Inactive Pre-Hypertensive Young Adults

Version 1 : Received: 31 May 2022 / Approved: 1 June 2022 / Online: 1 June 2022 (11:11:40 CEST)
Version 2 : Received: 2 June 2022 / Approved: 3 June 2022 / Online: 3 June 2022 (11:08:12 CEST)
Version 3 : Received: 12 July 2022 / Approved: 13 July 2022 / Online: 13 July 2022 (09:21:03 CEST)

A peer-reviewed article of this Preprint also exists.

John, A.T.; Chowdhury, M.; Islam, M.R.; Mir, I.A.; Hasan, M.Z.; Chong, C.Y.; Humayra, S.; Higashi, Y. Effectiveness of High-Intensity Interval Training and Continuous Moderate-Intensity Training on Blood Pressure in Physically Inactive Pre-Hypertensive Young Adults. J. Cardiovasc. Dev. Dis. 2022, 9, 246. John, A.T.; Chowdhury, M.; Islam, M.R.; Mir, I.A.; Hasan, M.Z.; Chong, C.Y.; Humayra, S.; Higashi, Y. Effectiveness of High-Intensity Interval Training and Continuous Moderate-Intensity Training on Blood Pressure in Physically Inactive Pre-Hypertensive Young Adults. J. Cardiovasc. Dev. Dis. 2022, 9, 246.

Journal reference: J. Cardiovasc. Dev. Dis. 2022, 9, 246
DOI: 10.3390/jcdd9080246

Abstract

The likelihood of pre-hypertensive young adults developing hypertension has been steadily increasing over the past few years. Despite the fact that aerobic exercise training (AET) has demonstrated positive results in lowering high blood pressure, the efficacy of different types of AET among pre-hypertensive young adults has not been well-established. The objective of this study was to evaluate the effectiveness of high-intensity interval training (HIIT) and continuous moderate-intensity training (CMT) on blood pressure (BP) of physically inactive pre-hypertensive young adults. 32 adults (age 20.0±1.1 years and BMI 21.5±1.8) were randomly assigned into 3 groups: HIIT, CMT and control (CON). HIIT and CMT groups participated in 5 weeks of AET; while the CON group followed a DASH diet plan only. The HIIT protocol consisted of 1:4 minute work to rest ratio of participants 80%-85% heart rate reserve (HR-reserve) and 40%-60% HR-reserve respectively for 20-minutes, CMT group exercised at 40%-60% of HR-reserve continuously for 20-minutes. In both HIIT and CMT groups, systolic blood pressure (SBP) (3.8±2.8 mmHg, P=0.002 VS 1.6±1.5 mmHg, P=0.011) was significantly reduced. While, significant reductions in the diastolic blood pressure (DBP) (2.9±2.2 mmHg, P=0.002) and mean arterial pressure (MAP) (3.1±1.6mmHg, P<0.0005) were noted only in the HIIT group. No significant differences in SBP (-0.4±3.7 mmHg, P=0.718), DBP (0.4±3.4 mmHg, P=0.714), or MAP (0.1±2.5mmHg, P= 0.892) were observed in the CON group. Both HIIT and CMT decreased the BP in physically inactive pre-hypertensive young adults; however, HIIT yielded more beneficial results in terms of reducing the SPB, DBP and MAP.

Keywords

High-intensity interval training; Continuous aerobic training; Systolic blood pressure; Diastolic blood pressure; Pre-hypertension

Subject

MEDICINE & PHARMACOLOGY, Nursing & Health Studies

Comments (1)

Comment 1
Received: 13 July 2022
Commenter: Imtiyaz Ali Mir
Commenter's Conflict of Interests: Author
Comment: Change in title, abstact, mian body and references.
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