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Effect of bench press exercise intensity on muscle soreness and inflammatory mediators

2009; Taylor & Francis; Volume: 27; Issue: 5 Linguagem: Inglês

10.1080/02640410802632144

1466-447X

Marco Carlos Uchida, Kazunori Nosaka, Carlos Ugrinowitsch, Alex Shimura Yamashita, Eivor Martins, Anselmo Sigari Moriscot, Marcelo Saldanha Aoki,

Sports Performance and Training

Abstract This study compared four different intensities of a bench press exercise for muscle soreness, creatine kinase activity, interleukin (IL)-1β, IL-6, tumor necrosis factor-α (TNF-α), and prostaglandin E2 (PGE2) concentrations in the blood. Thirty-five male Brazilian Army soldiers were randomly assigned to one of five groups: 50% one-repetition maximum (1-RM), 75% 1-RM, 90% 1-RM, 110% 1-RM, and a control group that did not perform the exercise. The total volume (sets × repetitions × load) of the exercise was matched among the exercise groups. Muscle soreness and plasma creatine kinase activity increased markedly (P < 0.05) after exercise, with no significant differences among the groups. Serum PGE2 concentration also increased markedly (P < 0.05) after exercise, with a significantly (P < 0.05) greater increase in the 110% 1-RM group compared with the other groups. A weak but significant (P < 0.05) correlation was found between peak muscle soreness and peak PGE2 concentration, but no significant correlation was evident between peak muscle soreness and peak creatine kinase activity, or peak creatine kinase activity and peak PGE2 concentration. All groups showed no changes in IL-1β, IL-6 or TNF-α. Our results suggest that the intensity of bench press exercise does not affect the magnitude of muscle soreness and blood markers of muscle damage and inflammation. Keywords: Delayed-onset muscle soreness, muscle damagecytokinescreatine kinaseprogtaglandin E2 Acknowledgements Our sincere thanks are extended to Andres Constantino, Marcus Coelho de Vasconcelos, Carlos Eduardo Silva da Cruz and the Brazilian Army officers Paulo Roberto Cardoso, Roberto Gueiros da Silva, Marcio Luãs Soares Bezerra and the participants of this study. We also would like to address a special thank for Luis Fernando Bicudo Pereira Costa Rosa (in memoriam). This study was supported by FAPESP (no06/54683-8).