Gene Genotype Injured Non-injured p-value     23 % 76 %   ACTN3 RR 9 39.1 17 22.3 0.1944 RX 9 39.1 30 39.5   XX 5 21.8 29 38.2   RR 9 39.2 17 22.4 0.1095 RX+XX 14 60.8 59 77.6   RR+RX 18 78.3 47 61.8 0.1463 XX 5 21.7 29 38.2   Allele R 27 58.7 64 42.1 0.0479* X 19 41.3 88 57.9   ACE DD 8 34.8 7 9.2 0.0038*   ID 5 21.7 39 51.3   II 10 43.5 30 39.5   DD 8 34.8 7 9.2 0.0027** II+ID 15 65.2 69 90.8   Allele D 21 45.6 53 34.9 0.1853 I 25 54.4 99 65.1   UCP1 A/A 7 30.4 24 31.6 0.9505   A/G 12 52.2 37 48.7   G/G 4 17.4 15 19.7   A/A+A/G 19 82.6 61 80.3 0.8024 G/G 4 17.4 15 19.7   Allele A 26 56.5 85 55.9 0.9427 G 20 43.5 67 44.1   UCP2 G/G 5 21.7 22 28.9 0.7204   G/A 11 47.9 36 47.4   A/A 7 30.4 18 23.7   G/G+G/A 16 69.6 58 76.3 0.5197 A/A 7 30.4 18 23.7   Allele G 21 45.6 80 52.6 0.4067 A 25 54.4 72 47.4   UCP3 C/C 1 4.3 11 14.5 0.2721   C/T 8 34.8 31 40.8   T/T 14 60.9 34 44.7   C/C 1 4.3 11 14.5 0.1923 C/T+T/T 22 95.7 65 85.5   Allele C 10 21.7 53 34.9 0.0939 T 36 78.3 99 65.1   *: P-value < 0.05, **: P-value < 0.01

Table 1: Allele distribution associated with muscle strain of injured and non-injured athletes.