Effect of 8-week HIIT and CMT on endsystolic, end-diastolic, relative wall thickness of left ventricle, and aerobic power among sedentary men

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Ahmadzadeh Mahmoud; Niloukheslat Saeed; AMIRSASAN RAMIN; Shirvani Hosein

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Journal: DANESHVAR MEDICINE Year:2019 | Volume:27 | Issue:142 Page(s): 39-48

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Title

Effect of 8-week HIIT and CMT on endsystolic, end-diastolic, relative wall thickness of left ventricle, and aerobic power among sedentary men

Author(s)

Ahmadzadeh Mahmoud | Niloukheslat Saeed | AMIRSASAN RAMIN | Shirvani Hosein | Issue Writer Certificate

Keywords

High intensity interval trainingQ1

Continuous moderate trainingQ1

End diastolic diameterQ1

End systolic diameterQ1

EchocardiographyQ3

Abstract

Background and Objective: Recently, High intensity interval training (HIIT) and Continuous moderate training (CMT) have been of interest in fields of exercise physiology and cardiovascular health. The aim of the present study was to compare the effect of 8-week HIIT and CMT on left ventricular End diastolic diameter (LVEDd) and End systolic diameter (LVEDs), and ventricular relative wall thickness (RWT) and aerobic power among inactive men. Materials and Methods: For this purpose, 21 sedentary men (78. 6 ± 2. 1 kg, height: 175. 5 ± 1. 8 cm, age: 25 ± 1. 21 years) participated in this study. Subjects were divided into control (CON), HIIT and CMT groups. CMT (constant load was 2 watts. kg-1) and HIIT (30 seconds with a load of 3. 6 watts. kg-1body weight and 120 seconds with 1. 4 watts. kg-1body weight) performed isocaloric training protocols for 8 weeks (on stationary bike). Echocardiography and Vo2max tests were performed before and after protocols. Collected data were analyzed after normality examination (Wilk-Shapiro). One-way ANOVA was used for further analysis. Results: Our findings showed that LVEDd in HIIT significantly increases when compared with CON (P = 0. 03) after training. LVEDs in CMT significantly increased when compared with HIIT (P = 0. 04) and CON (P = 0. 02). RWT in both HIIT and CMT was significantly higher than CON (P = 0. 03 and P = 0. 04, respectively). Vo2max in both groups significantly increased when compared with CON (P = 0. 03 and P = 0. 04, respectively). Conclusion: It is suggested that HIIT may play protective role in decreasing myocardial workload through increasing LVEDd and venous return in inactive men.

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APA: Copy

Ahmadzadeh, Mahmoud, Niloukheslat, Saeed, AMIRSASAN, RAMIN, & Shirvani, Hosein. (2019). Effect of 8-week HIIT and CMT on endsystolic, end-diastolic, relative wall thickness of left ventricle, and aerobic power among sedentary men. DANESHVAR MEDICINE, 27(142 ), 39-48. SID. https://sid.ir/paper/31037/en

Vancouver: Copy

Ahmadzadeh Mahmoud, Niloukheslat Saeed, AMIRSASAN RAMIN, Shirvani Hosein. Effect of 8-week HIIT and CMT on endsystolic, end-diastolic, relative wall thickness of left ventricle, and aerobic power among sedentary men. DANESHVAR MEDICINE[Internet]. 2019;27(142 ):39-48. Available from: https://sid.ir/paper/31037/en

IEEE: Copy

Mahmoud Ahmadzadeh, Saeed Niloukheslat, RAMIN AMIRSASAN, and Hosein Shirvani, “Effect of 8-week HIIT and CMT on endsystolic, end-diastolic, relative wall thickness of left ventricle, and aerobic power among sedentary men,” DANESHVAR MEDICINE, vol. 27, no. 142 , pp. 39–48, 2019, [Online]. Available: https://sid.ir/paper/31037/en

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