Table 6 The shear force, Hydroxyproline, collagen and IGF-1 contents, and collagen metabolism-related enzyme activities in muscle

Shear force, N

2.13 ± 1.00^ab

3.61 ± 0.66^c

3.30 ± 0.45^c

2.81 ± 0.54^bc

1.86 ± 0.34^a

2.12 ± 0.73^ab

6.68

 < 0.05

12.55

 < 0.01

Hyp, μg/mg

0.31 ± 0.02^a

0.34 ± 0.04^b

0.60 ± 0.02^e

0.45 ± 0.01^d

0.46 ± 0.02^d

0.39 ± 0.02^c

64.14

 < 0.01

288.66

 < 0.01

Collagen, μg/mg

2.44 ± 0.12^a

2.69 ± 0.31^b

4.80 ± 0.20^e

3.64 ± 0.11^d

3.68 ± 0.16^d

3.14 ± 0.19^c

64.13

 < 0.01

288.56

 < 0.01

IGF-1, ng/mL

29.73 ± 2.18^a

30.31 ± 1.74^a

32.95 ± 1.51^ab

33.90 ± 2.76^b

33.57 ± 2.73^b

30.04 ± 4.05^a

1.87

0.18

10.87

 < 0.01

LOX, ng/mL

12.76 ± 0.81^a

13.71 ± 0.84^ab

15.23 ± 1.43^b

14.72 ± 1.43^b

14.65 ± 1.62^b

14.06 ± 1.28^ab

4.11

0.05

8.76

 < 0.01

P4H, μg/L

78.57 ± 6.39^a

83.05 ± 6.56^ab

88.46 ± 5.55^b

84.95 ± 5.31^ab

83.40 ± 7.32^ab

83.28 ± 1.75^ab

1.15

0.29

5.55

 < 0.05

MMP2, ng/mL

88.70 ± 1.81^ab

85.50 ± 3.18^ab

84.22 ± 6.01^a

88.12 ± 2.88^ab

89.25 ± 10.21^ab

92.37 ± 5.97^b

2.92

0.10

3.69

0.46