Document Detail


Effects of nonlinear resistance and aerobic interval training on cytokines and insulin resistance in sedentary obese men.
MedLine Citation:
PMID:  24662224     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Regular exercise training has been shown to reduce systemic inflammation but there is limited research directly comparing different types of training. The purpose of this study was to compare the effects of nonlinear resistance training (NRT) and aerobic interval training (AIT) on serum interleukin-10 (IL-10), IL-20 and tumor necrosis factor α (TNF-α) levels, insulin resistance index (HOMA-IR) and aerobic capacity in middle-aged obese men. Sedentary volunteers were assigned to NRT (n = 12), AIT (n = 12) and (CON, n = 10) control groups. The experimental groups performed 3 weekly sessions for 12 weeks, whereas the CON grouped maintained a sedentary lifestyle. NRT consisted of 40-65 min of weight training at different intensities with flexible periodization. AIT consisted of running on a treadmill (4 sets of 4 min at 80-90% of maximal heart rate, with 3 min recovery intervals). Serum IL-10, IL-20 and TNF-α levels did not change significantly in response to training (all, P > 0.05), but IL-10/TNF-α ratio increased significantly with AIT compared to CON (2.95 ± 0.84 vs. 2.52 ± 0.65, P = 0.02). After the training period, maximal oxygen uptake increased significantly in AIT and NRT compared with CON (both, P < 0.001, 46.7 ± 5.9, 45.1 ± 3.2 and 41.1 ± 4.7 ml/kg/min, respectively), and AIT greater than in NRT (P = 0.001). The 2 exercise programs were equally effective at reducing HOMA-IR (both, P < 0.05, AIT: 0.84 ± 0.34, NRT: 0.84 ± 0.27, and CON: 1.62 ± 0.56) and fasting insulin levels (both, P < 0.05, AIT: 3.61 ± 1.48, NRT: 3.66 ± 0.92 and CON: 6.20 ± 2.64 µU/mL), but the AIT seems to have better anti-inflammatory effects (as indicated by the IL-10/TNF-α ratio) compared to NRT.
Authors:
Mahmoud Nikseresht; Hamid Aghaalinejad; Mohammad Ali Azarbayjani; Khosrow Ebrahim
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-3-21
Journal Detail:
Title:  Journal of strength and conditioning research / National Strength & Conditioning Association     Volume:  -     ISSN:  1533-4287     ISO Abbreviation:  J Strength Cond Res     Publication Date:  2014 Mar 
Date Detail:
Created Date:  2014-3-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9415084     Medline TA:  J Strength Cond Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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