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Table 3 One-way ANOVA for baseline EMG variables and foot type

From: An exploratory study investigating the effect of foot type and foot orthoses on gluteus medius muscle activity

 

Mean %MVIC (SD)

Mean difference (95%CI)

P value

Mean amplitude

 cavus vs neutral*

14.32 (8.88) vs 8.18 (6.63)

6.13 (0.34 to 11.93)

0.04

 cavus vs planus*

14.32 (8.88) vs 7.12 (3.47)

7.20 (0.99 to 13.41)

0.02

 neutral vs planus

8.18 (6.63) vs 7.12 (3.47)

1.06 (−3.91 to 6.03)

0.86

Peak amplitude

 cavus vs neutral*

29.88 (17.51 vs 16.09 (11.89)

13.79 (2.65 to 24.93)

0.01

 cavus vs planus*

29.88 (17.51) vs 15.51 (8.23)

14.37 (2.44 to 26.30)

0.02

 neutral vs planus

16.09 (11.89) vs 15.51 (8.23)

0.58 (−8.97 to 10.13)

0.99

Peak to peak amplitude

 cavus vs neutral*

26.79 (16.85) vs 13.94 (11.00)

12.85 (2.28 to 23.43)

0.01

 cavus vs planus*

26.79 (16.85) vs 13.91 (8.15)

12.89 (1.56 to 24.21)

0.02

 neutral vs planus

13.94 (11.00) vs 13.91 (8.15)

0.03 (−9.04 to 9.10)

1.00

  1. *indicates statistical significance at p < 0.05
  2. %MVIC Percentage of maximum voluntary isometric contraction, SD Standard deviation, 95%CI 95% confidence interval