2 days

6 days

15 days

29 days

Total length (mm)

C

2.7 ± 0.2

3.3ª ± 0.1

4.1ª ± 0.2

A

3.3ª ± 0.1

4.3^a± 0.2

W

2.6^b ± 0.3

8.2^b ± 0.5

16.3 ± 0.5

White muscle transverse section (μm²)

C

11,537.9 ±361.7

18,378.1ª ± 1862

62,316.7ª ± 7998.8

A

16,796.9ª ± 526.4

89,854.6ª ± 11,643.2

W

16,026.6ª ± 5184.9

228,606.2^b ± 59,462.4

830,757.7 ± 143,863.9

White muscle fibres area (μm²)

C

61.4 ± 4.3

79.7^a ± 3.6

83.2^a ± 4.8

A

60.9^b ± 3.2

82.6^a ± 4.2

W

87.9^a ± 9.5

90.6^a ± 4.1

156.2 ± 26.8

White muscle fibres minor axis length (μm)

C

7.5^a ± 0.2

7.2^a ± 0.2

A

7.1 ± 0.2

6.2^b ± 0.2

7.4ª ± 0.2

W

7.8^a ± 0.4

7.5ª ± 0.2

10.7 ± 0.9

Number of white muscle fibres

C

229.6ª ± 23.8

745.9ª ± 67.4

A

190.2 ± 9.3

300.5ª ± 43.3

1086.3ª ±96.5

W

194.1^a ± 39.9

2505.2^b ± 550.5

5796.7 ± 965.2

White muscle fibres density (×10,000) (number/µm²)

C

131.3ª ± 16.7

123.7ª ± 9.6

A

165.8 ± 10.8

179.6ª ± 26.4

125.2ª ± 12.7

W

159.3ª ± 59

120.2ª ± 12.8

71.9 ± 12.0