Efeitos da crioimersão nos marcadores do dano muscular após corrida de 10 km: ensaio clínico randomizado e cego

Abstract

Introduction: Street racing, a mode of athletics that has been growing exponentially, mainly because it is accessible to the entire population, requires a wide physical and psychological involvement of the practitioner during training and competitions. An adequate recovery of the practitioner's physical condition becomes an important aspect, mainly due to the damages caused to the muscular structure. Immersion cryotherapy has been used for this purpose. Objective: To analyze the effect of cold water immersion (CWI) on the recovery of clinical, biochemical and neuromuscular markers of muscle damage in 10 km street runners. Randomized and blinded clinical trial in which 30 subjects, 10 km street runners, were randomly divided, after running, into 3 recovery groups (control group, immersion group and cryoimersion group). The runners were evaluated for clinical (subjective pain perception), biochemical (CK blood concentration), functional (unipodal triple jump distance and shuttle run test time) and neuromuscular variables (peak torque, total work, power, fatigue index). The volunteers performed pre-race, post-race, post-intervention and 24-hour post-intervention evaluations. The data were expressed by mean and standard deviation, analyzed in the statistical package SPSS 20.0. A significance level of 5% and a 95% confidence interval were considered for all measures. Results: The 10 km race was enough to negatively alter performance from a biochemical, functional and neuromuscular variables (p <0.05), but there were no intergroup differences for any of the variables analyzed after the appropriate interventions (P> 0.05 ). Conclusion: CWI for 10 minutes at 10 ° C was not effective in recovering muscle damage markers after a 10-km run.