Evaluation of muscle damage by assessment of the concentration of creatine kinase in non-athlete individuals after uncompetitive cycling race
DOI:
https://doi.org/10.15448/1980-6108.2015.1.19819Keywords:
Creatine Kinase, Exercise, Muscle, Cycling.Abstract
Aims: To investigate the serum levels of the enzyme creatine kinase in non-professional cyclists after a non-competitive cycling race of 300 km, for evaluation of muscle damage.
Methods: The study included 12 male cyclists, with the following means for the anthropometric parameters: age 38.1±11.5 years, height 1.77±7.7 cm, weight 77±8.5 kg, fat percentage 12.0±4.1%, and body mass index 24.7±2.6 kg/m². Serum levels of creatine kinase were assessed before and immediately after the race, through kinetic method.
Results: The study showed that after the 300 km race there was an average increase of 480% in serum levels of creatine kinase (p<0.0001). No correlation was found between creatine kinase levels and body mass index or time of race.
Conclusions: These data show increase in serum levels of creatine kinase after a non-competitive cycling race of 300 km, suggesting the presence of muscle damage in this cycling mode.
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