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Table 4 EMG activity in terms of %MVIC with mean (SD) of internal oblique muscle over the contralateral side (CIO) and ipsilateral side (IIO) of the exercising hip

From: The effects of therapeutic hip exercise with abdominal core activation on recruitment of the hip muscles

Exercise

Phase

CIO

IIO

NCA

ECA

P-value

NCA

ECA

P-value

Clam

Concentric

2.45 (0.51)

47.08 (4.98)

<0.001b

4.58 (0.81)

40.75 (3.92)

<0.001b

Isometric

2.49 (0.50)

40.05 (4.18)

<0.001b

6.95 (1.18)

42.88 (4.40)

<0.001b

Eccentric

2.26 (0.49)

37.82 (3.14)

<0.001b

3.61 (0.60)

38.81 (3.26)

<0.001b

HABD

Concentric

3.05 (0.59)

43.03 (3.67)

<0.001b

11.12 (1.08)

73.99 (6.56)

<0.001a, b

Isometric

2.48 (0.33)

41.71 (3.35)

<0.001b

11.32 (0.94)

65.68 (6.48)

<0.001a, b

Eccentric

2.69 (0.52)

37.09 (2.95)

<0.001b

7.96 (0.94)

54.87 (4.40)

<0.001a, b

PHE

Concentric

6.14 (0.91)

60.94 (6.22)

<0.001a, b

4.14 (0.73)

58.34 (6.58)

<0.001b

Isometric

7.98 (1.12)

63.12 (7.37)

<0.001b

5.51 (0.86)

46.33 (3.74)

<0.001b

Eccentric

5.84 (0.99)

40.60 (3.62)

<0.001b

3.60 (0.64)

36.81 (2.74)

<0.001b

  1. ECA Enhanced core activation, HABD Hip abduction, NCA Natural core activation, PHE Prone hip extension
  2. apaired t-test otherwise Wilcoxon Signed rank test, bindicates significance