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Órgano Oficial del Colegio Mexicano de Ortopedia y Traumatología

2006, Number 2

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Acta Ortop Mex 2006; 20 (2)

Relation between muscular injuries and creatine kinase levels in American football players

Kormanovski A, Molotla E, Licea J, Padilla EL, Zenteno CB

Language: Spanish
References: 26
Page: 59-63
PDF size: 52.03 Kb.


ABSTRACT

Introduction. A correlation between the presence of creatinkinase enzyme in blood as an indicator of muscle injury was done in American football players of a Mexican Collegue Team. Material and methods. Monthly samples were taken from capillary blood at the end of training or games during three consecutives years. The enzyme creatinkinase (CK) was detected by the kinetic method at 25 degrees centigrades. Results. We observed players with a 20 to 25 age range, and between 75 to 120 kg of weigth. The average activity of the CK enzyme was 180 u/l, and this was maintained during the first two years of following. An increase was noted during the third year to 250 u/l. We had: 25, 28 and 22 muscles injuries detected during training seasons in the corresponding first, second and third years of the study. And during the games 26, 23 and 22 respectively. Student t test was applied, and a non significant correlation between CK and the presence of muscle injuries was detected, including training (196 + 98 u/l: injured, vs 227 + 144 u/l: non injured. P = 0.16). And during games season (241 + 193 u/l: injured vs 215 + 96 u/l : non injured, P = 0.43). Discussion. The CK activity is not a valid indicator of muscle damage in american football players, and the increase of this enzyme could be explained by the augmented permeability of the myocite membranes, which can contribute to the levels detected in blood.


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