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MEDICINA DELLO SPORT
A Journal on Sports Medicine
Official Journal of the Italian Sports Medicine Federation
Indexed/Abstracted in: BIOSIS Previews, EMBASE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,163
Medicina dello Sport 2012 December;65(4):485-96
language: English, Italian
Immunological responses to four-day of consecutive and non-consecutive circuit resistance exercise
Mohebbi H. 1, Rahimi R. 2, Arazi H. 1, Kashkoli V. 1 ✉
1 Department of Exercise Physiology, Faculty of Physical Education and Sport Science, University of Guilan, Rasht, Iran;
2 Department of Physical Education and Sport Science, University of Kurdistan, Sanandaj, Iran
Aim. The aim of this study was to determine the effect of four consecutive and non-consecutive days of resistance exercise on leukocyte counts, immunoglobulin G (IgG) and cortisol in resistance trained men.
Methods. Twelve experienced resistance-trained college-age males (age, 22.5±2.11 years; weight, 72.27±6.59 kg; at least one year of resistance exercise (RE) experience) volunteered for this study. All subjects underwent, in a randomized manner, two experimental protocols comprising circuit RE until exhaustion at 75% of 1RM load, 11 repetitions in each station and 10 stations in each circuit. During four consecutive and non-consecutive day of RE, blood samples were collected at rest in first day (D1), immediately and 3 h after completion of the exercise at fourth day (ID4, 3D4 respectively).
Results. The results showed that total leukocytes counts were significantly increased at ID4 and 3D4 compared to D1 in both protocols. Serum IgG levels were significantly increased at ID4 compared to D1 in both protocols. Serum CO levels significantly decreased ID4 and 3D4 in consecutive RE as well as 3D4 in non-consecutive RE. The data indicate that four-day of consecutive and non-consecutive circuit-resistance exercise not only didn’t result in reduction of examined immunological indexes but also induced significant elevation in IgG levels and leukocyte counts as well as reduced cortisol levels.
Conclusion. From these data, it is evident that short-term consecutive and non-consecutive days of circuit RE didn’t suppress immune function.