Figure 1

Effect of acute exercise on serum creatine kinase (CK) activity. The CK levels were determined in rested control and after acute exercise, at the indicated times. The results are the mean ± SE of 8–10 rats per treatment. Significance was determined with one-way ANOVA followed by the Tukey-Kramer test. Columns with different letters differed significantly (p < 0.05).