The effect of eight-week specific training with different intensities on cardio- pulmonary variables in non-athlete men

Document Type : Research Paper

Authors

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Abstract

Background and Purpose: The effectiveness of exercise training, whether in the sports for all or in the championships, is very important. The purpose of this study was to compare the effects of 8 weeks of training at the aerobic and anaerobic threshold intensities with equal total work and frequency on the cardiopulmonary parameters in non-athlete men.
Methodology: Twenty- tow untrained male university students volunteered to participate in this study and were divided randomly into two aerobic (N= 12; 61% HRmax) and anaerobic threshold (N= 9; 86% HRmax) groups. Pre and post the training, subjects performed a progressive exercise treadmill test for determine maximal oxygen consumption (VO2max), anaerobic threshold velocity (vAT) and Oxygen uptake at anaerobic threshold (VO2 at AT). Training program performed for 8 week and 3 sessions /week with the equal total work and oxygen consumption. The within groups as well as the between groups differences were evaluated by paired samples t-test and independent samples t-test respectively. The effect size was calculated for each significant difference by the means of the omega square method.
Results: Results of this study showed that after the training VO2 at AT and vAT were increased significantly in both exercising groups. Both groups had a marked decreased in resting HR and BP. Also, VO2max significantly increased in anaerobic threshold groups (P=0.009) while, There were no significant changes in VO2max in aerobic threshold group. Results of independent t-test showed that no significant differences between the two training program.
Conclusion: In conclusion, The results of this study demonstrate that When volume of exercise is controlled, higher intensity of exercise are more effective for improving VO2max than lower intensity of exercise in non- trained young men.

Keywords


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