Journal of Exercise Physiology in Special Populations

Comparative analysis of the effect of polarized and aerobic training on inflammatory indicators: C-reactive protein and Creatine phosphokinase

Document Type : Original Article

Authors

1 M.Sc. Student in Exercise Physiology, Department of Physical Education and Sport Sciences, Faculty of Education and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran

2 Professor, Department of Physical Education and Sport Sciences, Faculty of Education and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran

Abstract

The aim of this study was to investigate and compare the effect of a polarized and aerobic training session on inflammatory markers, including C-reactive protein and creatine phosphokinase levels, in active girls.
The target population of this study included active female students of Mohaghegh Ardabili University between the ages of 18 and 26 who were physically active and had a history of at least 6 months of moderate-level sports training. They were randomly assigned to three groups: aerobic exercise, polarized exercise, and control. The training program included one session of polarized exercise at 90 and 70% of maximum heart rate and aerobic exercise at 70% of maximum heart rate. CRP levels were measured using the Gptec-Belgium kit and CPK using the Biorex fars-Iran kit. Data were analyzed using SPSS software at a significance level of P<0.05.
The results of this study showed that a single aerobic exercise session in active, young girls had an increasing effect on CPK levels and a decreasing effect on CRP levels. (P=0.001) (P =0.005). Polarized exercise had no significant effects on CRP levels. (P=0.33) but increased CPK levels. (P=0.001)
It seems a single aerobic exercise session has an increasing effect on CPK levels and a decreasing effect on CRP levels. Polarized exercise has different effects on the body's biomarkers. No significant change in CRP levels indicates low inflammation associated with this type of exercise, while increased CPK levels reflect muscle stress and the body's adaptation to the intensity of the exercise.

Keywords

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Journal of Exercise Physiology in Special Populations
Volume 3, Issue 2
September 2026
Pages 1-14