Table 6 Change in muscle mechanical properties in the two groups (unit: F: HZ S: N/m) (n = 34).

From: Effects of combined jaw and cervicoscapular exercises on mouth opening and muscle properties in cervical extension type

 

Pre

Post

t(p)

Time

F(p)

Group × Time

F(p)

MM

F

EG

16.26 ± 1.58

14.44 ± 1.63

6.414(< 0.001*)

71.661

(< 0.001*)

10.487

(0.003*)

CG

16.13 ± 1.98

15.32 ± 2.06

6.384(< 0.001*)

η2

   

0.691

0.247

S

EG

341.00 ± 67.89

303.41 ± 64.28

7.538(< 0.001*)

87.796

(< 0.001*)

7.102

(0.012*)

CG

323.41 ± 70.61

302.47 ± 65.04

5.567(< 0.001*)

η2

   

0.733

0.182

D

EG

1.73 ± 0.25

1.88 ± 0.25

−7.900(< 0.001*)

85.409

(< 0.001*)

3.742

(0.062)

CG

1.58 ± 0.25

1.68 ± 0.30

−5.169(< 0.001*)

η2

   

0.727

0.105

TA

F

EG

37.06 ± 5.15

34.48 ± 4.54

5.721(< 0.001*)

44.574

(< 0.001*)

0.973

(0.331)

CG

36.05 ± 7.87

34.13 ± 7.43

3.831(0.001*)

η2

   

0.582

0.029

S

EG

818.53 ± 198.89

657.53 ± 84.82

5.269(< 0.001*)

43.130

(< 0.001*)

6.145

(0.019*)

CG

899.06 ± 372.85

826.29 ± 314.79

3.986(0.001*)

η2

   

0.574

0.161

D

EG

1.59 ± 0.13

1.85 ± 0.23

−4.853(< 0.001*)

42.197

(< 0.001*)

1.805

(0.189)

CG

1.68 ± 0.19

1.84 ± 0.20

−4.370(< 0.001*)

η2

   

0.569

0.053

  1. Values are expressed as mean ± SD. EG: Cervicoscapular complex exercises with jaw exercises; CG: Cervicoscapular complex exercises; MM: Masseter muscle; TA: Temporal anterior; F: muscle tone; S: stiffness; D: elasticity; η2: effect size; *p < 0.05.