Biology of Sport
eISSN: 2083-1862
ISSN: 0860-021X
Biology of Sport
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2/2022
vol. 39
 
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abstract:
Original paper

Inflammatory cytokines and metabolic responses to high-intensity intermittent training: effect of the exercise intensity

Fatma Rhibi
1, 2
,
Hassane Zouhal
2
,
Fabio Santos Lira
3
,
Nejmeddine Ouerghi
4
,
Jacques Prioux
2
,
Sophia Besbes
5
,
Jed M. Tijani
6
,
Anthony C. Hackney
7
,
Abderraouf Ben Abderrahman
1

1.
Laboratory of Biomonitoring of the Environment, Faculty of Science of Bizerte, University of Carthage, Tunisia
2.
Movement, Sport, Health and Sciences laboratory (M2S). UFR-STAPS, University of Rennes 2-ENS Cachan, Av. Charles Tillon, 35044 Rennes Cedex, France
3.
Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, São Paulo, Brazil
4.
Research Unit, Sportive Performance and Physical Rehabilitation, UR13JS01, High Institute of Sports and Physical Education of Kef, University of Jendouba, Kef, Tunisia
5.
Clinical Biology Laboratory, Med Kassab Institute of Orthopedics, Tunisia
6.
Higher Institute of Sport and Physical Education of Ksar-Said, Unit of Research, Movement Analysis and Performance Assessment, Ksar-Said, Tunisia
7.
Department of Exercise & Sport Science, University of North Carolina, Chapel Hill, NC, United States
Biol Sport. 2022;39(2):263–272.
Online publish date: 2021/04/09
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To examine the effects of two high-intensity intermittent training (HIIT) programs of varying intensities (100% vs. 110% of maximal aerobic velocity [MAV]) on metabolic, hormonal and inflammatory markers in young men. Thirty-seven active male volunteers were randomly assigned into: HIIT experimental groups (100% MAV [EG100, n = 9] and 110% MAV [EG110, n = 9]) and a control groups (CG100, n = 9 and CG110, n = 9). Particpants performed high intesity intermittent exercise test (HIIE) at 100% or 110% MAV. Venous blood samples were obtained before, at the end of HIIE and at 15 min of recovery, and before and after 8 weeks of HIIT programs. After training, Glucose was lower (p < 0.01) in EG100 (d = 0.72) and EG110 (d = 1.20) at the end of HIIE, and at 15 min recovery only in EG110 (d = 0.95). After training, Insulin and Cortisol were lower than before training in EG100 and EG110 at the end of HIIE (p < 0.001). After HIIT, IL-6 deceased (p < 0.001) in EG100 (d = 1.43) and EG110 (d = 1.56) at rest, at the end of HIIE (d = 1.03; d = 1.75, respectively) and at 15 min of recovery (d = 0.88;d = 1.7, respectively). This decrease was more robust (p < 0.05) in EG110 compared to EG100. After HIIT, TNF-α deceased (p < 0.001) in EG100 (d = 1.43) and EG110 (d = 0.60) at rest, at the end of HIIE (0.71 < d < 0.98) and at 15 min of recovery (0.70 < d < 2.78). HIIT with 110% MAV is more effective in young males on the improvements of some metabolic (Glucose), hormonal (Cortisol) and inflammatory (IL-6) markers at rest, at the end of HIIE and 15 min of recovery than training at 100% MAV.
keywords:

Interval training, Endurance, Intermittent exercise, Inflammatory parameters

 
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