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Submitted: 28 Jul 2015
Accepted: 16 Mar 2016
ePublished: 30 Sep 2016
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J Educ Community Health. 2016;3(2): 47-53.
doi: 10.21859/jech-03027
  Abstract View: 1674
  PDF Download: 415

Physical Activity

Research Article

Comparison of Two High-Intensity Interval Training (HIIT) For Two Weeks on Fat Oxidation, Body Fat Percentage and VO2max in Overweight Young Males

Mehdi Gholizadeh 1*, Mohammadreza Kordi 2, Ali Akbarnejad 2

1 Department of Sport Physiology, School of Physical Education and Sport Sciences, Guilan University, Rasht, Iran.
2 Department of Sport Physiology, School of Physical Education and Sport Sciences, Tehran University, Tehran , Iran
*Corresponding Author: Email: m.qolizadeh66@gmail.com

Abstract

Background and Objectives: The purpose of this study was to determine the effect of 6 sessions of High Intensity Interval Training (HIIT) on fat oxidation, VO2max and body fat percentage in sedentary overweight young males.

Materials and Methods: Overall, 16 inactive young males voluntarily participated in this study and were randomly divided to 2 Groups: Group A (HIIT-1) and Group B (HIIT-2). Two groups performed 3 HIIT sessions per week for 2 weeks. Group A (4 × 1 min /4 min R) and Group B (4×30s /2 min R) performed maximal sprint running within a 20 m area. Respiratory gas was collected 24 hours before and after the exercise protocol in a fasting state. Independent t test and paired t test were applied using the SPSS-18 software to analyze the data.

Results: Statistical analysis showed that 6 sessions of HIIT led to an increase of 43% of fatty oxidation in Group A during the exercise test; these changes were significant compared to Group B (P <0.05). Changes in weight and body fat were significant in group A (P <0.05). Also, results showed a significant increase in VO2max in Group A (5.19%) and Group B (4%).

Conclusions: According to the results of this study, it appears that 6 sessions of HIIT led to improvement of fatty oxidation and store glycogen. In conclusion, it appears that HIIT, in addition to reducing body fat and increasing aerobic fitness, is a time efficient means for decreasing weight and improving oxidation capacity in sedentary overweight young males.

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