Acute-phase inflammatory response to single-bout HIIT and endurance training: A comparative Study

Felix Kaspar, Herbert Jelinek, Steven Perkins, Hayder A. Al-Aubaidy, Beverlie de Jong, Eugene Butkowski

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)
12 Downloads (Pure)


Objective: This study compared acute and late effect of single-bout endurance training (ET) and high-intensity interval training (HIIT) on the plasma levels of four inflammatory cytokines and C-reactive protein and insulin-like growth factor 1. Design. Cohort study with repeated-measures design. Methods: Seven healthy untrained volunteers completed a single bout of ET and HIIT on a cycle ergometer. ET and HIIT sessions were held in random order and at least 7 days apart. Blood was drawn before the interventions and 30 min and 2 days after the training sessions. Plasma samples were analyzed with ELISA for the interleukins (IL), IL-1ß, IL-6, and IL-10, monocyte chemoattractant protein-1 (MCP-1), insulin growth factor 1 (IGF-1), and C-reactive protein (CRP). Statistical analysis was with Wilcoxon signed-rank tests. Results: ET led to both a significant acute and long-term inflammatory response with a significant decrease at 30 minutes after exercise in the IL-6/IL-10 ratio (-20%; p = 0.047) and a decrease of MCP-1 (-17.9%; p = 0.03). Conclusion: This study demonstrates that ET affects the inflammatory response more adversely at 30 minutes after exercise compared to HIIT. However, this is compensated by a significant decrease in MCP-1 at two days associated with a reduced risk of atherosclerosis.
Original languageEnglish
Article number5474837
Pages (from-to)1-6
Number of pages6
JournalMediators of Inflammation
Publication statusPublished - 2016


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