The Comparison of 2 and 4 Weeks of CoQ10 Supplementation on the Ventilator Threshold and Respiratory Compensation Point in Young Male Endurance Athletes

Document Type : Research Paper

Authors
Habibollah Dashti 1
Lotfali Bolboli 2
Marefat Siahkuhian 3
1 Ph.D. Student in Sport Phsiology, University of Mohaghegh Ardabili
2 Associated Professor of Sport Physiology, University of Mohaghegh Ardabili
3 Professor of Sport Physiology, University of Mohaghegh Ardabili
10.22089/spj.2017.957
Abstract
The aim of this semi-experimental study was to examine the effects of 2 and 4 weeks of CoQ10 supplementation on the ventilator threshold and respiratory compensation point in Young male endurance athletes. Fourteen (22.4±1/2 y, 12.5±4.4 fat percent, 53.3±2.7 ml.kg-1.min-1) young male athletes randomly were divided into two equal groups (n=7). In a double-blind four weeks study, experimental group and control group consumed 60 mg/daily CoQ10 and dextrose, respectively. Two groups performed Iliev GXT on the treadmill to measure ventilator threshold (VT) and respiratory compensation point (RCP) on the 1, 14 and 28 days. Respiratory gases collected automatically through the gas analyzer breath by breath and VO2, VCO2 and VE recorded. VO2 equivalent to VT and RCP automatically calculated at 15s intervals. Analysis of variance and Bonferroni post hoc test (within group), independent t test (between groups) have been used (P<0.05). The results showed that; mean VO2 equivalent to VT and RCP in Q10 group had a significant increase but there was no significant difference between two groups (P>0.05). In none of the groups, RCP hadn’t a significant difference in three stages (F(2,12)=1.19, P=0.34). Therefore, supplementation with 60 mg/d CoQ10 for either 2 or 4 weeks had no significant effects on the ventilator threshold (VT) and respiratory compensation threshold (RCP) in young male endurance athletes.
Keywords
Ventilator Threshold
Respiratory Compensation Point
CoQ10 Supplementation

Main Subjects

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Sport Physiology
Volume 9, Issue 33
May 2017
Pages 153-168

  • Receive Date 28 December 2015
  • Revise Date 13 May 2016
  • Accept Date 25 May 2016