Document Type : Research Paper I Open Access I Released under CC BY-NC 4.0 license


1 MSc in Exercise Physiology, Department of Exercise Physiology, Borujerd Branch, Islamic Azad University, Borujerd, Iran

2 Assistant Professor in Exercise Physiology, Department of Exercise Physiology, Borujerd Branch, Islamic Azad University, Borujerd, Iran.

3 Assistant Professor in Exercise Physiology, Department of Physical Education, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran


Chronic inflammation is associated with the development of various diseases such as atherosclerosis and diabetes. The aim of this study was to investigate the effect of 8 weeks of resistance training on changes of C reactive protein (CRP) and cystatin C in male volleyball players. For this purpose, 20 volleyball players voluntarily participated in the study and were divided randomly into progressive resistance training (PRT, n=10) and control (Con, n=10) groups. PRT was conducted for 8 weeks, 3 sessions per week with the intensity of 70% maximal repetition (1RM) and reached 90% 1RM by the 8th week. Blood samples were collected before and after PRT to analyze CRP and cystatin C in the plasma. The results showed that in the interaction of time× group, there was a significant difference in cystatin C (P=0.047). However, the effect of time and the effect of time x group were not significant in CRP (P>0.05). It can be concluded that 8 weeks of progressive resistance training reduced cystatin C as a new inflammatory index. However, this protocol had no effects on basal CRP concentration.


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