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Table 4 Muscle activity (normalized as% MVC) of vastus lateralis, tibialis anterior and lateral gastrocnemius during turn initiation, turn around and turn termination with the dominant foot inside while turning

From: Effects of custom-made textile insoles on plantar pressure distribution and lower limb EMG activity during turning

 

Maximum

Mean

 

Vastus lateralis

Tibialis anterior

Lateral gastrocnemius

Vastus lateralis

Tibialis anterior

Lateral gastrocnemius

Turn initiation

            

Insole I

18.4

(5.8)

21.6

(5.5)

21.9

(12.7)

7.5

(3.1)

10.9

(3.1)

8.3

(3.3)

Insole II

16.9

(5.7)

22.3

(6.3)

20.1

(7.5)

7.2

(2.7)

11.5

(3.6)

8.3

(3.2)

Insole III

17.7

(6.1)

20.7

(5.0)

21.7

(11.6)

7.2

(3.0)

10.5

(2.7)

8.3

(3.5)

Insole II % change

−8.5

2.9

−8.2

−3.7

5.8

0.7

Insole III % change

−4.0

−4.2

−0.8

−4.0

−3.4

−0.2

Turn around

            

Insole I

22.6

(6.2)

20.4

(6.1)

25.1

(7.9)

9.1

(3.0)

11.8

(4.0)

9.5

(3.4)

Insole II

19.5

(6.5)

22.6

(7.9)

24.4

(6.8)

8.1

(2.4)

12.8

(5.0)

9.3

(3.8)

Insole III

18.8

(6.1)

21.3

(7.3)

25.6

(5.7)

7.9

(2.9)

11.5

(3.9)

10.5

(2.5)

Insole II % change

−13.6

10.5

−2.6

−11.8

8.3

−2.3

Insole III % change

−16.9

4.3

2.1

−13.4

−3.1

9.8

F-test value (η2) & significance

*

     

Pairwise significance

I-III

     

Turn termination

            

Insole I

21.9

(6.5)

27.0

(9.7)

32.7

(15.8)

8.6

(3.2)

13.0

(4.7)

10.6

(3.7)

Insole II

18.7

(7.0)

24.0

(6.2)

29.5

(12.6)

7.7

(3.0)

12.1

(3.6)

10.4

(3.6)

Insole III

19.2

(6.0)

25.4

(9.4)

31.2

(17.5)

7.7

(3.0)

12.5

(4.5)

10.2

(4.2)

Insole II % change

−14.6

−11.0

−9.8

−9.9

−7.5

−1.6

Insole III % change

−12.4

−5.9

−4.6

−9.8

−4.3

−3.4

  1. 1) Mean (SD), 2) % change = % change in maximum/ mean muscle activity when compared with insole I; 3)*Significant difference of insoles in one-way ANOVA test at p < 0.05