T0

T1

T2

T3

Stiffness

Superficial multifidus

5.42 ± 9.87

0.71 ± 0.44*

0.71 ± 0.47*

0.67 ± 0.38*

Deep multifidus

12.88 ± 18.13

1.38 ± 1.83*

0.99 ± 0.60*

1.09 ± 0.75*

ASLR (˚)

64.1 ± 14.7

69.7 ± 16.5*

68.9 ± 18.5*

65.9 ± 16.7*